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_20200707102136-28_222.138+13.575_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102136-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102136-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102136-28&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102136-28&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13750	13.57514	5.0	59037.43170	108 108	219 219	0.4969 0.4963	20200707102136-28	short
SkyMapper_r_20200707102202-28_222.138+13.575_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102202-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102202-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102202-28&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102202-28&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13751	13.57514	5.0	59037.43199	108 108	219 219	0.4969 0.4963	20200707102202-28	short
SkyMapper_i_20200707102227-28_222.137+13.575_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102227-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102227-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102227-28&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102227-28&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13749	13.57511	10.0	59037.43228	108 108	219 219	0.4969 0.4964	20200707102227-28	short
SkyMapper_z_20200707102259-28_222.137+13.575_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102259-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102259-28&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102259-28&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200707102259-28&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13748	13.57516	20.0	59037.43264	108 108	219 219	0.4969 0.4963	20200707102259-28	short
SkyMapper_v_20200730090925-05_222.138+13.575_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730090925-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730090925-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730090925-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730090925-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13755	13.57518	20.0	59060.38156	108 108	219 219	0.4966 0.4972	20200730090925-05	short
SkyMapper_g_20200730091006-05_222.137+13.575_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091006-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091006-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091006-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091006-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13746	13.57518	5.0	59060.38203	108 108	219 219	0.4966 0.4973	20200730091006-05	short
SkyMapper_r_20200730091031-05_222.138+13.575_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091031-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091031-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091031-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091031-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13751	13.57514	5.0	59060.38231	108 108	219 219	0.4966 0.4973	20200730091031-05	short
SkyMapper_i_20200730091056-05_222.137+13.575_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091056-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091056-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091056-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091056-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13748	13.57514	10.0	59060.38262	108 108	219 219	0.4967 0.4973	20200730091056-05	short
SkyMapper_z_20200730091127-05_222.138+13.575_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091127-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091127-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091127-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730091127-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13758	13.57521	20.0	59060.38296	108 108	219 219	0.4966 0.4973	20200730091127-05	short
SkyMapper_i_20210421151832-15_222.138+13.575_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151832-15&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151832-15&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151832-15&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151832-15&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13755	13.57520	10.0	59325.63790	108 108	219 219	0.4959 0.4971	20210421151832-15	short
SkyMapper_z_20210421151904-15_222.138+13.575_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151904-15&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151904-15&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151904-15&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210421151904-15&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13752	13.57519	20.0	59325.63828	108 108	219 219	0.4958 0.4970	20210421151904-15	short
SkyMapper_u_20210429151256-05_222.138+13.575_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151256-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151256-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151256-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151256-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13756	13.57521	40.0	59333.63402	108 108	219 219	0.4966 0.4972	20210429151256-05	short
SkyMapper_v_20210429151359-05_222.138+13.575_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151359-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151359-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151359-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151359-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13756	13.57515	20.0	59333.63474	108 108	219 219	0.4966 0.4972	20210429151359-05	short
SkyMapper_g_20210429151440-05_222.138+13.575_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151440-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151440-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151440-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151440-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13758	13.57522	5.0	59333.63522	108 108	219 219	0.4967 0.4974	20210429151440-05	short
SkyMapper_r_20210429151507-05_222.138+13.575_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151507-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151507-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151507-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151507-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13754	13.57513	5.0	59333.63553	108 108	219 219	0.4967 0.4973	20210429151507-05	short
SkyMapper_i_20210429151533-05_222.137+13.575_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151533-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151533-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151533-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151533-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13750	13.57512	10.0	59333.63583	108 108	219 219	0.4968 0.4974	20210429151533-05	short
SkyMapper_z_20210429151605-05_222.138+13.575_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151605-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151605-05&format=png&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151605-05&format=fits&pos=222.137491828,13.5751907188&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210429151605-05&format=mask&pos=222.137491828,13.5751907188&size=0.03,0.03	222.13757	13.57514	20.0	59333.63620	108 108	219 219	0.4967 0.4973	20210429151605-05	short