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_20190124142653-27_103.135+11.102_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142653-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142653-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142653-27&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142653-27&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13497	11.10244	100.0	58507.60203	108 108	219 219	0.4974 0.4976	20190124142653-27	main
SkyMapper_i_20190124142854-28_103.142+11.102_56x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142854-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142854-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142854-28&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190124142854-28&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.14237	11.10248	100.0	58507.60341	56 108	113 219	0.4970 0.4964	20190124142854-28	main
SkyMapper_g_20190330094450-27_103.135+11.102_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094450-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094450-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094450-27&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094450-27&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13493	11.10247	5.0	58572.40617	108 108	219 219	0.4973 0.4975	20190330094450-27	short
SkyMapper_r_20190330094516-27_103.135+11.102_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094516-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094516-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094516-27&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094516-27&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13500	11.10242	5.0	58572.40645	108 108	219 219	0.4973 0.4975	20190330094516-27	short
SkyMapper_i_20190330094541-27_103.135+11.102_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094541-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094541-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094541-27&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094541-27&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13495	11.10247	10.0	58572.40675	108 108	219 219	0.4974 0.4976	20190330094541-27	short
SkyMapper_z_20190330094611-27_103.135+11.102_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094611-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094611-27&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094611-27&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330094611-27&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13488	11.10249	20.0	58572.40709	108 108	219 219	0.4973 0.4975	20190330094611-27	short
SkyMapper_r_20191130165038-28_103.135+11.104_108x100	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165038-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165038-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165038-28&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165038-28&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13502	11.10367	5.0	58817.70184	108 100	219 203	0.4969 0.4963	20191130165038-28	short
SkyMapper_i_20191130165103-28_103.135+11.104_108x101	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165103-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165103-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165103-28&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165103-28&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13493	11.10354	10.0	58817.70214	108 101	219 204	0.4970 0.4964	20191130165103-28	short
SkyMapper_z_20191130165133-28_103.135+11.104_108x101	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165133-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165133-28&format=png&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165133-28&format=fits&pos=103.134927727,11.1024636364&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191130165133-28&format=mask&pos=103.134927727,11.1024636364&size=0.03,0.03	103.13493	11.10355	20.0	58817.70248	108 101	219 204	0.4969 0.4963	20191130165133-28	short