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_20180731154914-01_307.894+3.073_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731154914-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89387	3.07277	40.0	58330.65921	108 108	219 219	0.4959 0.4969	20180731154914-01	short
SkyMapper_i_20180731155146-01_307.894+3.073_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155146-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89379	3.07279	10.0	58330.66097	108 108	219 219	0.4959 0.4970	20180731155146-01	short
SkyMapper_z_20180731155217-01_307.894+3.073_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180731155217-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89378	3.07282	20.0	58330.66132	108 108	219 219	0.4958 0.4970	20180731155217-01	short
SkyMapper_u_20180806140022-01_307.894+3.073_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140022-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140022-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140022-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140022-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89379	3.07288	40.0	58336.58360	108 108	219 219	0.4958 0.4969	20180806140022-01	short
SkyMapper_v_20180806140123-01_307.894+3.073_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140123-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140123-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140123-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140123-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89377	3.07280	20.0	58336.58432	108 108	219 219	0.4958 0.4969	20180806140123-01	short
SkyMapper_g_20180806140203-01_307.894+3.073_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140203-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140203-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140203-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140203-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89382	3.07289	5.0	58336.58479	108 108	219 219	0.4958 0.4970	20180806140203-01	short
SkyMapper_r_20180806140231-01_307.894+3.073_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140231-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140231-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140231-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140231-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89387	3.07280	5.0	58336.58510	108 108	219 219	0.4958 0.4970	20180806140231-01	short
SkyMapper_i_20180806140256-01_307.894+3.073_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140256-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140256-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140256-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140256-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89384	3.07284	10.0	58336.58539	108 108	219 219	0.4959 0.4970	20180806140256-01	short
SkyMapper_z_20180806140327-01_307.894+3.073_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140327-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140327-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140327-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806140327-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89380	3.07283	20.0	58336.58574	108 108	219 219	0.4958 0.4969	20180806140327-01	short
SkyMapper_v_20180807140010-01_307.894+3.073_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807140010-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89382	3.07282	20.0	58337.58347	108 108	219 219	0.4957 0.4969	20180807140010-01	short
SkyMapper_u_20180807141158-01_307.894+3.073_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141158-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89379	3.07276	40.0	58337.59167	108 108	219 219	0.4958 0.4969	20180807141158-01	short
SkyMapper_v_20180807141259-01_307.894+3.073_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141259-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89376	3.07278	20.0	58337.59237	108 108	219 219	0.4958 0.4969	20180807141259-01	short
SkyMapper_g_20180807141340-01_307.894+3.073_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141340-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89375	3.07278	5.0	58337.59284	108 108	219 219	0.4958 0.4970	20180807141340-01	short
SkyMapper_i_20180807141437-01_307.894+3.073_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141437-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89375	3.07283	10.0	58337.59350	108 108	219 219	0.4959 0.4970	20180807141437-01	short
SkyMapper_z_20180807141508-01_307.894+3.073_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807141508-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89377	3.07288	20.0	58337.59387	108 108	219 219	0.4958 0.4969	20180807141508-01	short
SkyMapper_i_20180902120417-15_307.894+3.073_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902120417-15&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902120417-15&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902120417-15&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180902120417-15&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89375	3.07285	100.0	58363.50301	108 108	219 219	0.4958 0.4970	20180902120417-15	main
SkyMapper_u_20200529184538-01_307.894+3.073_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200529184538-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89386	3.07288	40.0	58998.78171	108 108	219 219	0.4958 0.4969	20200529184538-01	short
SkyMapper_u_20200605180044-01_307.894+3.073_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180044-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89384	3.07287	40.0	59005.75053	108 108	219 219	0.4958 0.4969	20200605180044-01	short
SkyMapper_v_20200605180145-01_307.894+3.073_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180145-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89383	3.07284	20.0	59005.75127	108 108	219 219	0.4958 0.4969	20200605180145-01	short
SkyMapper_g_20200605180229-01_307.894+3.073_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180229-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89381	3.07281	5.0	59005.75175	108 108	219 219	0.4958 0.4970	20200605180229-01	short
SkyMapper_r_20200605180256-01_307.894+3.073_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180256-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89386	3.07278	5.0	59005.75206	108 108	219 219	0.4958 0.4970	20200605180256-01	short
SkyMapper_i_20200605180324-01_307.894+3.073_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180324-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89382	3.07287	10.0	59005.75238	108 108	219 219	0.4959 0.4971	20200605180324-01	short
SkyMapper_z_20200605180355-01_307.894+3.073_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-01&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-01&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200605180355-01&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89381	3.07280	20.0	59005.75274	108 108	219 219	0.4958 0.4970	20200605180355-01	short
SkyMapper_i_20200824124238-18_307.894+3.073_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-18&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-18&format=png&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-18&format=fits&pos=307.89375,3.07285&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824124238-18&format=mask&pos=307.89375,3.07285&size=0.03,0.03	307.89370	3.07276	10.0	59085.52964	108 108	219 219	0.4972 0.4964	20200824124238-18	short