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_20180808144315-12_321.316+5.010_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144315-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144315-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144315-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144315-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31615	5.01006	40.0	58338.61338	108 108	219 219	0.4963 0.4960	20180808144315-12	short
SkyMapper_v_20180808144415-12_321.316+5.010_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144415-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144415-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144415-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144415-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31616	5.01001	20.0	58338.61409	108 108	219 219	0.4963 0.4960	20180808144415-12	short
SkyMapper_g_20180808144456-12_321.316+5.010_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144456-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144456-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144456-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144456-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31623	5.00997	5.0	58338.61455	108 108	219 219	0.4963 0.4961	20180808144456-12	short
SkyMapper_r_20180808144522-12_321.316+5.010_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144522-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144522-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144522-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144522-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31622	5.00993	5.0	58338.61485	108 108	219 219	0.4963 0.4960	20180808144522-12	short
SkyMapper_i_20180808144547-12_321.316+5.010_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144547-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144547-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144547-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144547-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31621	5.01001	10.0	58338.61515	108 108	219 219	0.4964 0.4961	20180808144547-12	short
SkyMapper_z_20180808144619-12_321.316+5.010_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144619-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144619-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144619-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144619-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31621	5.00998	20.0	58338.61551	108 108	219 219	0.4963 0.4960	20180808144619-12	short
SkyMapper_r_20180811143022-12_321.316+5.010_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143022-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143022-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143022-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143022-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31617	5.00999	5.0	58341.60441	108 108	219 219	0.4963 0.4960	20180811143022-12	short
SkyMapper_i_20180811143047-12_321.316+5.010_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143047-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143047-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143047-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143047-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31626	5.01000	10.0	58341.60472	108 108	219 219	0.4963 0.4961	20180811143047-12	short
SkyMapper_z_20180811143118-12_321.316+5.010_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143118-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143118-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143118-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143118-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31627	5.00995	20.0	58341.60508	108 108	219 219	0.4963 0.4960	20180811143118-12	short
SkyMapper_g_20180816141441-27_321.314+5.010_96x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31424	5.01010	5.0	58346.59354	96 108	193 219	0.4973 0.4975	20180816141441-27	short
SkyMapper_r_20180816141507-27_321.314+5.010_95x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31421	5.00998	5.0	58346.59385	95 108	192 219	0.4973 0.4975	20180816141507-27	short
SkyMapper_i_20180816141532-27_321.314+5.010_96x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31425	5.01002	10.0	58346.59414	96 108	193 219	0.4974 0.4976	20180816141532-27	short
SkyMapper_z_20180816141603-27_321.314+5.010_96x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31421	5.01010	20.0	58346.59450	96 108	193 219	0.4973 0.4975	20180816141603-27	short
SkyMapper_g_20180819140251-27_321.316+5.010_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31624	5.01009	5.0	58349.58534	108 108	219 219	0.4973 0.4975	20180819140251-27	short
SkyMapper_i_20180819140347-27_321.316+5.010_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31624	5.01004	10.0	58349.58597	108 108	219 219	0.4974 0.4976	20180819140347-27	short
SkyMapper_z_20180819140418-27_321.316+5.010_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31617	5.01004	20.0	58349.58634	108 108	219 219	0.4973 0.4975	20180819140418-27	short
SkyMapper_i_20180926125058-12_321.316+5.010_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125058-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125058-12&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125058-12&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125058-12&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31615	5.01004	100.0	58387.53541	108 108	219 219	0.4963 0.4961	20180926125058-12	main
SkyMapper_i_20180926125258-08_321.316+5.010_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125258-08&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125258-08&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125258-08&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926125258-08&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31614	5.01000	100.0	58387.53681	108 108	219 219	0.4969 0.4963	20180926125258-08	main
SkyMapper_z_20200616181519-27_321.312+5.010_82x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31236	5.01004	20.0	59016.76066	82 108	166 219	0.4973 0.4975	20200616181519-27	short
SkyMapper_g_20200821135010-27_321.316+5.010_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31619	5.01007	5.0	59082.57653	108 108	219 219	0.4973 0.4975	20200821135010-27	short
SkyMapper_r_20200821135036-27_321.316+5.010_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31618	5.01007	5.0	59082.57683	108 108	219 219	0.4973 0.4975	20200821135036-27	short
SkyMapper_i_20200821135105-27_321.316+5.010_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-27&format=png&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-27&format=fits&pos=321.316166555,5.01004134916&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-27&format=mask&pos=321.316166555,5.01004134916&size=0.03,0.03	321.31611	5.01008	10.0	59082.57715	108 108	219 219	0.4974 0.4976	20200821135105-27	short
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