SkyMapper DR4 Image Access By downloading SkyMapper data you agree to observe the policies published at http://skymapper.anu.edu.au/policies/ Image name MIME-type of the requested image SkyMapper filter (u,v,g,r,i,z) Image download URL Download PNG preview Download FITS Download FITS bitmask ICRS Right Ascension of the image centre ICRS Declination of the image centre On-sky exposure time Modified Julian Date of exposure start Angular size of image Image size in pixels WCS pixel scale of each image axis Unique image identifier [image_id]-[ccd] Type of image Instrument name Number of image axes Coordinate system reference frame Tangent plane projection with a polynomial distortion function described by coefficients provided in a set of PVi_j keywords. The first image axis represents Right Ascension and the second represents Declination

SkyMapper_u_20140830181734-31_39.242-5.349_108x84	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181734-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181734-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181734-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181734-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24249	-5.34865	40.0	56899.76221	108 84	219 170	0.4975 0.4975	20140830181734-31	short
SkyMapper_v_20140830181835-31_39.243-5.349_108x85	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181835-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181835-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181835-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181835-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24253	-5.34864	20.0	56899.76293	108 85	219 172	0.4976 0.4975	20140830181835-31	short
SkyMapper_g_20140830181916-31_39.243-5.349_108x85	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181916-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181916-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181916-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181916-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24260	-5.34858	5.0	56899.76340	108 85	219 171	0.4976 0.4976	20140830181916-31	short
SkyMapper_r_20140830181942-31_39.243-5.349_108x85	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181942-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181942-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181942-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830181942-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24259	-5.34867	5.0	56899.76370	108 85	219 171	0.4976 0.4976	20140830181942-31	short
SkyMapper_i_20140830182014-31_39.243-5.349_108x85	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182014-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182014-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182014-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182014-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24257	-5.34861	10.0	56899.76406	108 85	219 172	0.4977 0.4977	20140830182014-31	short
SkyMapper_z_20140830182044-31_39.242-5.349_108x85	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182044-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182044-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182044-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140830182044-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24249	-5.34860	20.0	56899.76441	108 85	219 172	0.4976 0.4976	20140830182044-31	short
SkyMapper_u_20140926162854-31_39.243-5.345_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162854-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162854-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162854-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162854-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24254	-5.34533	40.0	56926.68676	108 108	219 219	0.4975 0.4975	20140926162854-31	short
SkyMapper_v_20140926162954-31_39.243-5.345_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162954-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162954-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162954-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926162954-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24257	-5.34535	20.0	56926.68745	108 108	219 219	0.4975 0.4975	20140926162954-31	short
SkyMapper_g_20140926163035-31_39.242-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163035-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163035-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163035-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163035-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24248	-5.34538	5.0	56926.68793	108 108	219 219	0.4976 0.4976	20140926163035-31	short
SkyMapper_r_20140926163106-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163106-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163106-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163106-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163106-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24258	-5.34539	5.0	56926.68829	108 108	219 219	0.4976 0.4976	20140926163106-31	short
SkyMapper_i_20140926163132-31_39.243-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163132-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163132-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163132-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163132-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24258	-5.34531	10.0	56926.68858	108 108	218 219	0.4977 0.4977	20140926163132-31	short
SkyMapper_z_20140926163202-31_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163202-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163202-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163202-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20140926163202-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24254	-5.34531	20.0	56926.68894	108 108	219 219	0.4976 0.4976	20140926163202-31	short
SkyMapper_u_20150830155111-20_39.243-5.352_108x59	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155111-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155111-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155111-20&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155111-20&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24250	-5.35218	40.0	57264.66057	108 59	219 120	0.4956 0.4958	20150830155111-20	short
SkyMapper_v_20150830155213-20_39.242-5.352_108x60	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155213-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155213-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155213-20&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155213-20&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24247	-5.35215	20.0	57264.66127	108 60	219 122	0.4956 0.4957	20150830155213-20	short
SkyMapper_g_20150830155253-20_39.242-5.352_108x59	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155253-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155253-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155253-20&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155253-20&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24247	-5.35223	5.0	57264.66176	108 59	219 120	0.4955 0.4958	20150830155253-20	short
SkyMapper_r_20150830155319-20_39.242-5.352_108x60	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155319-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155319-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155319-20&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155319-20&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24244	-5.35220	5.0	57264.66205	108 60	219 121	0.4956 0.4957	20150830155319-20	short
SkyMapper_i_20150830155345-20_39.242-5.352_108x59	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155345-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155345-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155345-20&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155345-20&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24243	-5.35228	10.0	57264.66234	108 59	219 119	0.4956 0.4958	20150830155345-20	short
SkyMapper_z_20150830155415-20_39.242-5.352_108x60	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155415-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155415-20&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155415-20&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20150830155415-20&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24244	-5.35217	20.0	57264.66270	108 60	219 121	0.4955 0.4957	20150830155415-20	short
SkyMapper_i_20151212101358-03_39.243-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101358-03&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101358-03&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101358-03&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101358-03&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24252	-5.34531	100.0	57368.42638	108 108	219 219	0.4977 0.4976	20151212101358-03	main
SkyMapper_z_20151212101559-03_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101559-03&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101559-03&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101559-03&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20151212101559-03&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24255	-5.34529	100.0	57368.42779	108 108	219 219	0.4976 0.4976	20151212101559-03	main
SkyMapper_v_20161220110917-31_39.243-5.348_108x89	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220110917-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220110917-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220110917-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220110917-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24259	-5.34808	100.0	57742.46479	108 89	219 180	0.4975 0.4974	20161220110917-31	main
SkyMapper_u_20161220111117-31_39.243-5.348_108x87	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111117-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111117-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111117-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111117-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24251	-5.34828	100.0	57742.46619	108 87	219 176	0.4974 0.4974	20161220111117-31	main
SkyMapper_g_20161220111318-31_39.243-5.348_108x88	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111318-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111318-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111318-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220111318-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24253	-5.34820	100.0	57742.46758	108 88	219 178	0.4976 0.4976	20161220111318-31	main
SkyMapper_i_20161220131940-31_39.243-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220131940-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220131940-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220131940-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220131940-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24261	-5.34533	100.0	57742.55535	108 108	218 219	0.4977 0.4976	20161220131940-31	main
SkyMapper_z_20161220132141-31_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220132141-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220132141-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220132141-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161220132141-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24251	-5.34538	100.0	57742.55674	108 108	219 219	0.4976 0.4976	20161220132141-31	main
SkyMapper_v_20161221110822-31_39.243-5.345_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161221110822-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161221110822-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161221110822-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161221110822-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24259	-5.34533	100.0	57743.46417	108 108	219 219	0.4975 0.4974	20161221110822-31	main
SkyMapper_g_20161227122521-31_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122521-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122521-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122521-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122521-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24259	-5.34531	100.0	57749.51762	108 108	219 219	0.4976 0.4976	20161227122521-31	main
SkyMapper_r_20161227122721-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122721-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122721-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122721-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20161227122721-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24261	-5.34531	100.0	57749.51902	108 108	219 219	0.4976 0.4975	20161227122721-31	main
SkyMapper_r_20170824184655-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170824184655-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170824184655-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170824184655-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170824184655-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24260	-5.34527	100.0	57989.78262	108 108	219 219	0.4976 0.4976	20170824184655-31	smt
SkyMapper_r_20170906173828-03_39.248-5.345_69x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906173828-03&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906173828-03&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906173828-03&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906173828-03&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24813	-5.34528	100.0	58002.73507	69 108	140 219	0.4976 0.4976	20170906173828-03	smt
SkyMapper_g_20170906181701-31_39.247-5.345_78x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906181701-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906181701-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906181701-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170906181701-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24684	-5.34531	100.0	58002.76183	78 108	158 219	0.4976 0.4976	20170906181701-31	smt
SkyMapper_r_20170914171455-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914171455-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914171455-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914171455-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914171455-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24257	-5.34532	100.0	58010.71872	108 108	219 219	0.4976 0.4976	20170914171455-31	smt
SkyMapper_g_20170914173825-31_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914173825-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914173825-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914173825-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170914173825-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24254	-5.34530	100.0	58010.73503	108 108	219 219	0.4976 0.4976	20170914173825-31	smt
SkyMapper_r_20170919180629-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919180629-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919180629-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919180629-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919180629-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24251	-5.34534	100.0	58015.75451	108 108	219 219	0.4976 0.4976	20170919180629-31	smt
SkyMapper_g_20170919182901-31_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919182901-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919182901-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919182901-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170919182901-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24260	-5.34538	100.0	58015.77017	108 108	219 219	0.4977 0.4976	20170919182901-31	smt
SkyMapper_r_20170925172802-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170925172802-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170925172802-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170925172802-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20170925172802-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24252	-5.34531	100.0	58021.72781	108 108	219 219	0.4976 0.4976	20170925172802-31	smt
SkyMapper_r_20171014165640-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014165640-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014165640-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014165640-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014165640-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24255	-5.34536	100.0	58040.70602	108 108	219 219	0.4976 0.4976	20171014165640-31	smt
SkyMapper_r_20171014170816-31_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014170816-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014170816-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014170816-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014170816-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24256	-5.34537	100.0	58040.71410	108 108	219 219	0.4976 0.4976	20171014170816-31	smt
SkyMapper_g_20171014173051-31_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014173051-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014173051-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014173051-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171014173051-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24258	-5.34533	100.0	58040.72978	108 108	219 219	0.4977 0.4976	20171014173051-31	smt
SkyMapper_i_20171205134446-32_39.243-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134446-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134446-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134446-32&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134446-32&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24259	-5.34544	100.0	58092.57277	108 108	219 219	0.4973 0.4964	20171205134446-32	main
SkyMapper_z_20171205134646-32_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134646-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134646-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134646-32&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20171205134646-32&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24252	-5.34531	100.0	58092.57416	108 108	219 219	0.4972 0.4963	20171205134646-32	main
SkyMapper_i_20180809194630-23_39.243-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194630-23&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194630-23&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194630-23&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194630-23&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24257	-5.34531	100.0	58339.82399	108 108	219 219	0.4968 0.4974	20180809194630-23	main
SkyMapper_z_20180809194831-23_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194831-23&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194831-23&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194831-23&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180809194831-23&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24254	-5.34539	100.0	58339.82538	108 108	219 219	0.4968 0.4973	20180809194831-23	main
SkyMapper_u_20180922164652-16_39.243-5.345_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164652-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164652-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164652-16&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164652-16&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24256	-5.34532	40.0	58383.69924	108 108	219 219	0.4955 0.4957	20180922164652-16	short
SkyMapper_v_20180922164753-16_39.243-5.345_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164753-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164753-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164753-16&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164753-16&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24260	-5.34541	20.0	58383.69994	108 108	219 219	0.4954 0.4957	20180922164753-16	short
SkyMapper_g_20180922164834-16_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164834-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164834-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164834-16&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164834-16&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24265	-5.34538	5.0	58383.70041	108 108	219 219	0.4955 0.4958	20180922164834-16	short
SkyMapper_r_20180922164859-16_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164859-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164859-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164859-16&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164859-16&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24260	-5.34537	5.0	58383.70071	108 108	219 219	0.4954 0.4957	20180922164859-16	short
SkyMapper_i_20180922164925-16_39.243-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164925-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164925-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164925-16&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164925-16&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24262	-5.34542	10.0	58383.70101	108 108	219 219	0.4955 0.4958	20180922164925-16	short
SkyMapper_z_20180922164955-16_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164955-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164955-16&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164955-16&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922164955-16&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24258	-5.34537	20.0	58383.70134	108 108	219 219	0.4954 0.4957	20180922164955-16	short
SkyMapper_i_20190812194136-27_39.242-5.345_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194136-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194136-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194136-27&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194136-27&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24249	-5.34537	100.0	58707.82058	108 108	219 219	0.4974 0.4976	20190812194136-27	main
SkyMapper_z_20190812194337-27_39.243-5.345_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194337-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194337-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194337-27&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190812194337-27&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24257	-5.34537	100.0	58707.82198	108 108	219 219	0.4973 0.4975	20190812194337-27	main
SkyMapper_g_20191118131135-27_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191118131135-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191118131135-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191118131135-27&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191118131135-27&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24254	-5.34530	100.0	58805.54975	108 108	219 219	0.4973 0.4975	20191118131135-27	main
SkyMapper_u_20191202121942-27_39.243-5.345_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202121942-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202121942-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202121942-27&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202121942-27&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24261	-5.34535	100.0	58819.51370	108 108	219 219	0.4972 0.4973	20191202121942-27	main
SkyMapper_v_20191202122142-27_39.243-5.345_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202122142-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202122142-27&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202122142-27&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191202122142-27&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24251	-5.34535	100.0	58819.51509	108 108	219 219	0.4972 0.4973	20191202122142-27	main
SkyMapper_u_20200826184142-31_39.243-5.345_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200826184142-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200826184142-31&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200826184142-31&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200826184142-31&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24251	-5.34534	100.0	59087.77898	108 108	219 219	0.4975 0.4975	20200826184142-31	main
SkyMapper_g_20210914172654-32_39.243-5.345_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172654-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172654-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172654-32&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172654-32&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24252	-5.34540	100.0	59471.72704	108 108	219 219	0.4972 0.4964	20210914172654-32	main
SkyMapper_r_20210914172855-32_39.243-5.345_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172855-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172855-32&format=png&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172855-32&format=fits&pos=39.24254,-5.34533&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210914172855-32&format=mask&pos=39.24254,-5.34533&size=0.03,0.03	39.24260	-5.34535	100.0	59471.72845	108 108	219 219	0.4972 0.4964	20210914172855-32	main