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_g_20200810144656-08_323.588+13.436_108x58	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144656-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144656-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144656-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144656-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58831	13.43584	5.0	59071.61594	108 58	219 118	0.4969 0.4963	20200810144656-08	short
SkyMapper_r_20200810144722-08_323.588+13.436_108x59	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144722-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144722-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144722-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144722-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58841	13.43595	5.0	59071.61624	108 59	219 120	0.4968 0.4964	20200810144722-08	short
SkyMapper_i_20200810144747-08_323.588+13.436_108x58	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144747-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144747-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144747-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144747-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58834	13.43572	10.0	59071.61654	108 58	219 118	0.4970 0.4964	20200810144747-08	short
SkyMapper_z_20200810144818-08_323.588+13.436_108x60	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144818-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144818-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144818-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200810144818-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58832	13.43595	20.0	59071.61689	108 60	219 121	0.4969 0.4963	20200810144818-08	short
SkyMapper_i_20200818142012-20_323.588+13.445_108x96	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200818142012-20&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200818142012-20&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200818142012-20&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200818142012-20&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58836	13.44466	100.0	59079.59738	108 96	219 194	0.4955 0.4959	20200818142012-20	main
SkyMapper_u_20201001112333-08_323.588+13.443_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112333-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112333-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112333-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112333-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58835	13.44279	40.0	59123.47472	108 108	219 219	0.4967 0.4962	20201001112333-08	short
SkyMapper_v_20201001112434-08_323.588+13.443_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112434-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112434-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112434-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112434-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58842	13.44281	20.0	59123.47541	108 108	219 219	0.4968 0.4962	20201001112434-08	short
SkyMapper_g_20201001112514-08_323.588+13.443_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112514-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112514-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112514-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112514-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58842	13.44277	5.0	59123.47587	108 108	219 219	0.4968 0.4962	20201001112514-08	short
SkyMapper_r_20201001112539-08_323.588+13.443_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112539-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112539-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112539-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112539-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58832	13.44275	5.0	59123.47618	108 108	219 219	0.4968 0.4963	20201001112539-08	short
SkyMapper_i_20201001112605-08_323.588+13.443_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112605-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112605-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112605-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112605-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58836	13.44271	10.0	59123.47646	108 108	219 219	0.4969 0.4963	20201001112605-08	short
SkyMapper_z_20201001112635-08_323.588+13.443_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112635-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112635-08&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112635-08&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201001112635-08&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58835	13.44272	20.0	59123.47681	108 108	219 219	0.4968 0.4962	20201001112635-08	short
SkyMapper_u_20201003110946-07_323.588+13.443_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-07&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-07&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58835	13.44285	40.0	59125.46513	108 108	219 219	0.4971 0.4974	20201003110946-07	short
SkyMapper_v_20201003111046-07_323.588+13.443_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-07&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-07&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58839	13.44277	20.0	59125.46583	108 108	219 219	0.4971 0.4974	20201003111046-07	short
SkyMapper_g_20201003111125-07_323.588+13.443_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-07&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-07&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58840	13.44281	5.0	59125.46628	108 108	219 219	0.4973 0.4975	20201003111125-07	short
SkyMapper_r_20201003111150-07_323.588+13.443_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-07&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-07&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58843	13.44273	5.0	59125.46659	108 108	219 219	0.4973 0.4975	20201003111150-07	short
SkyMapper_i_20201003111215-07_323.588+13.443_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-07&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-07&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58843	13.44275	10.0	59125.46686	108 108	219 219	0.4973 0.4976	20201003111215-07	short
SkyMapper_z_20201003111245-07_323.588+13.443_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-07&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-07&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-07&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58840	13.44274	20.0	59125.46721	108 108	219 219	0.4972 0.4975	20201003111245-07	short
SkyMapper_u_20210911124609-23_323.588+13.443_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124609-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124609-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124609-23&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124609-23&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58837	13.44283	40.0	59468.53207	108 108	219 219	0.4966 0.4972	20210911124609-23	short
SkyMapper_v_20210911124711-23_323.588+13.443_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124711-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124711-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124711-23&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124711-23&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58840	13.44283	20.0	59468.53279	108 108	219 219	0.4966 0.4972	20210911124711-23	short
SkyMapper_g_20210911124753-23_323.588+13.443_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124753-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124753-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124753-23&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124753-23&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58834	13.44280	5.0	59468.53327	108 108	219 219	0.4967 0.4973	20210911124753-23	short
SkyMapper_r_20210911124819-23_323.588+13.443_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124819-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124819-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124819-23&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124819-23&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58844	13.44276	5.0	59468.53357	108 108	219 219	0.4967 0.4973	20210911124819-23	short
SkyMapper_i_20210911124846-23_323.588+13.443_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124846-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124846-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124846-23&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124846-23&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58836	13.44284	10.0	59468.53388	108 108	219 219	0.4968 0.4974	20210911124846-23	short
SkyMapper_z_20210911124916-23_323.588+13.443_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124916-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124916-23&format=png&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124916-23&format=fits&pos=323.588353061,13.4427966542&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210911124916-23&format=mask&pos=323.588353061,13.4427966542&size=0.03,0.03	323.58841	13.44278	20.0	59468.53424	108 108	219 219	0.4967 0.4973	20210911124916-23	short