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_i_20180807083645-12_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807083645-12&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807083645-12&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807083645-12&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807083645-12&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34382	5.01910	100.0	58337.35888	108 108	219 219	0.4963 0.4961	20180807083645-12	main
SkyMapper_i_20180807084414-08_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807084414-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807084414-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807084414-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807084414-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34391	5.01909	100.0	58337.36409	108 108	219 219	0.4969 0.4963	20180807084414-08	main
SkyMapper_u_20190401160716-27_214.344+5.019_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160716-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160716-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160716-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160716-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34380	5.01903	40.0	58574.67172	108 108	219 219	0.4972 0.4974	20190401160716-27	short
SkyMapper_v_20190401160816-27_214.344+5.019_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160816-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160816-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160816-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160816-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34389	5.01904	20.0	58574.67242	108 108	219 219	0.4973 0.4974	20190401160816-27	short
SkyMapper_g_20190401160856-27_214.344+5.019_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160856-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160856-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160856-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160856-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34389	5.01913	5.0	58574.67289	108 108	219 219	0.4973 0.4975	20190401160856-27	short
SkyMapper_r_20190401160921-27_214.344+5.019_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160921-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160921-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160921-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160921-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34386	5.01917	5.0	58574.67317	108 108	219 219	0.4973 0.4975	20190401160921-27	short
SkyMapper_i_20190401160946-27_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160946-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160946-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160946-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401160946-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34392	5.01914	10.0	58574.67347	108 108	219 219	0.4974 0.4976	20190401160946-27	short
SkyMapper_z_20190401161015-27_214.344+5.019_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401161015-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401161015-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401161015-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190401161015-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34386	5.01905	20.0	58574.67381	108 108	219 219	0.4973 0.4975	20190401161015-27	short
SkyMapper_r_20190409170615-27_214.344+5.019_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170615-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170615-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170615-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170615-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34384	5.01914	5.0	58582.71269	108 108	219 219	0.4974 0.4975	20190409170615-27	short
SkyMapper_i_20190409170640-27_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170640-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170640-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170640-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170640-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34391	5.01908	10.0	58582.71299	108 108	219 219	0.4974 0.4976	20190409170640-27	short
SkyMapper_z_20190409170711-27_214.344+5.019_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170711-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170711-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170711-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190409170711-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34388	5.01911	20.0	58582.71334	108 108	219 219	0.4974 0.4976	20190409170711-27	short
SkyMapper_u_20200228180857-08_214.344+5.019_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228180857-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228180857-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228180857-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228180857-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34392	5.01907	40.0	58907.75623	108 108	219 219	0.4968 0.4962	20200228180857-08	short
SkyMapper_g_20200228181040-08_214.344+5.019_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181040-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181040-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181040-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181040-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34393	5.01905	5.0	58907.75742	108 108	219 219	0.4969 0.4963	20200228181040-08	short
SkyMapper_r_20200228181106-08_214.344+5.019_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181106-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181106-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181106-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181106-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34383	5.01900	5.0	58907.75773	108 108	219 219	0.4969 0.4962	20200228181106-08	short
SkyMapper_i_20200228181131-08_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181131-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181131-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181131-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181131-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34387	5.01902	10.0	58907.75801	108 108	219 219	0.4970 0.4963	20200228181131-08	short
SkyMapper_z_20200228181201-08_214.344+5.019_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181201-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181201-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181201-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200228181201-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34388	5.01909	20.0	58907.75837	108 108	219 219	0.4969 0.4963	20200228181201-08	short
SkyMapper_u_20200518125755-27_214.344+5.019_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125755-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125755-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125755-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125755-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34392	5.01908	40.0	58987.54023	108 108	219 219	0.4972 0.4973	20200518125755-27	short
SkyMapper_v_20200518125855-27_214.344+5.019_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125855-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125855-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125855-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125855-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34379	5.01903	20.0	58987.54093	108 108	219 219	0.4972 0.4973	20200518125855-27	short
SkyMapper_g_20200518125935-27_214.344+5.019_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125935-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125935-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125935-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518125935-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34385	5.01915	5.0	58987.54141	108 108	219 219	0.4973 0.4975	20200518125935-27	short
SkyMapper_r_20200518130002-27_214.344+5.019_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130002-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130002-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130002-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130002-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34382	5.01904	5.0	58987.54170	108 108	219 219	0.4972 0.4974	20200518130002-27	short
SkyMapper_i_20200518130028-27_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130028-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130028-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130028-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130028-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34391	5.01906	10.0	58987.54201	108 108	219 219	0.4973 0.4975	20200518130028-27	short
SkyMapper_z_20200518130058-27_214.344+5.019_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130058-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130058-27&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130058-27&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200518130058-27&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34391	5.01905	20.0	58987.54236	108 108	219 219	0.4973 0.4975	20200518130058-27	short
SkyMapper_g_20210530120955-08_214.344+5.019_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530120955-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530120955-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530120955-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530120955-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34385	5.01905	5.0	59364.50691	108 108	219 219	0.4968 0.4962	20210530120955-08	short
SkyMapper_r_20210530121021-08_214.344+5.019_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121021-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121021-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121021-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121021-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34387	5.01905	5.0	59364.50722	108 108	219 219	0.4968 0.4962	20210530121021-08	short
SkyMapper_i_20210530121048-08_214.344+5.019_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121048-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121048-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121048-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121048-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34391	5.01910	10.0	59364.50753	108 108	219 219	0.4969 0.4962	20210530121048-08	short
SkyMapper_z_20210530121122-08_214.344+5.019_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121122-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121122-08&format=png&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121122-08&format=fits&pos=214.343839815,5.01910569118&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210530121122-08&format=mask&pos=214.343839815,5.01910569118&size=0.03,0.03	214.34386	5.01904	20.0	59364.50792	108 108	219 219	0.4968 0.4962	20210530121122-08	short