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_20180731154914-13_308.737+3.026_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73743	3.02645	40.0	58330.65921	108 108	219 219	0.4975 0.4975	20180731154914-13	short
SkyMapper_i_20180731155146-13_308.737+3.026_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73738	3.02641	10.0	58330.66097	108 108	219 219	0.4977 0.4977	20180731155146-13	short
SkyMapper_z_20180731155217-13_308.737+3.026_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73737	3.02643	20.0	58330.66132	108 108	219 219	0.4976 0.4976	20180731155217-13	short
SkyMapper_v_20180807140010-13_308.737+3.026_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73747	3.02650	20.0	58337.58347	108 108	219 219	0.4975 0.4975	20180807140010-13	short
SkyMapper_u_20180807141158-13_308.737+3.026_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73745	3.02647	40.0	58337.59167	108 108	219 219	0.4974 0.4974	20180807141158-13	short
SkyMapper_v_20180807141259-13_308.737+3.026_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73743	3.02647	20.0	58337.59237	108 108	219 219	0.4975 0.4975	20180807141259-13	short
SkyMapper_g_20180807141340-13_308.737+3.026_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73738	3.02644	5.0	58337.59284	108 108	219 219	0.4976 0.4976	20180807141340-13	short
SkyMapper_i_20180807141437-13_308.737+3.026_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73741	3.02648	10.0	58337.59350	108 108	219 219	0.4977 0.4976	20180807141437-13	short
SkyMapper_z_20180807141508-13_308.737+3.027_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73742	3.02653	20.0	58337.59387	108 108	219 219	0.4976 0.4976	20180807141508-13	short
SkyMapper_u_20180820125920-29_308.737+3.023_108x86	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820125920-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820125920-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820125920-29&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820125920-29&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73747	3.02339	40.0	58350.54123	108 86	219 175	0.4958 0.4969	20180820125920-29	short
SkyMapper_v_20180820130021-29_308.737+3.023_108x86	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130021-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130021-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130021-29&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130021-29&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73743	3.02343	20.0	58350.54193	108 86	219 175	0.4957 0.4969	20180820130021-29	short
SkyMapper_g_20180820130101-29_308.737+3.023_108x86	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130101-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130101-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130101-29&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130101-29&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73741	3.02344	5.0	58350.54241	108 86	219 175	0.4958 0.4970	20180820130101-29	short
SkyMapper_r_20180820130127-29_308.737+3.023_108x86	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130127-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130127-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130127-29&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130127-29&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73749	3.02338	5.0	58350.54270	108 86	219 175	0.4958 0.4970	20180820130127-29	short
SkyMapper_i_20180820130153-29_308.737+3.023_108x87	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130153-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130153-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130153-29&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130153-29&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73747	3.02347	10.0	58350.54300	108 87	219 176	0.4959 0.4970	20180820130153-29	short
SkyMapper_z_20180820130224-29_308.737+3.023_108x86	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130224-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130224-29&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130224-29&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820130224-29&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73750	3.02336	20.0	58350.54336	108 86	219 175	0.4958 0.4970	20180820130224-29	short
SkyMapper_i_20180902121218-09_308.737+3.026_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902121218-09&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902121218-09&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902121218-09&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902121218-09&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73744	3.02646	100.0	58363.50856	108 108	219 219	0.4973 0.4975	20180902121218-09	main
SkyMapper_u_20200529184538-13_308.737+3.026_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73739	3.02650	40.0	58998.78171	108 108	219 219	0.4975 0.4975	20200529184538-13	short
SkyMapper_v_20200529184639-13_308.737+3.026_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184639-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184639-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184639-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184639-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73739	3.02644	20.0	58998.78242	108 108	219 219	0.4975 0.4975	20200529184639-13	short
SkyMapper_u_20200605180044-13_308.737+3.026_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73741	3.02639	40.0	59005.75053	108 108	219 219	0.4975 0.4975	20200605180044-13	short
SkyMapper_v_20200605180145-13_308.737+3.026_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73739	3.02646	20.0	59005.75127	108 108	219 219	0.4975 0.4975	20200605180145-13	short
SkyMapper_g_20200605180229-13_308.737+3.026_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73737	3.02644	5.0	59005.75175	108 108	219 219	0.4976 0.4976	20200605180229-13	short
SkyMapper_r_20200605180256-13_308.737+3.026_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73740	3.02649	5.0	59005.75206	108 108	219 219	0.4976 0.4976	20200605180256-13	short
SkyMapper_i_20200605180324-13_308.737+3.026_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73745	3.02649	10.0	59005.75238	108 108	218 219	0.4977 0.4977	20200605180324-13	short
SkyMapper_z_20200605180355-13_308.737+3.026_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-13&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-13&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-13&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73737	3.02640	20.0	59005.75274	108 108	219 219	0.4976 0.4976	20200605180355-13	short
SkyMapper_i_20200824124238-30_308.737+3.026_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-30&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-30&format=png&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-30&format=fits&pos=308.7374056,3.0264666&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-30&format=mask&pos=308.7374056,3.0264666&size=0.03,0.03	308.73747	3.02636	10.0	59085.52964	108 108	219 219	0.4954 0.4958	20200824124238-30	short