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_v_20200717162621-06_323.403+14.571_108x74	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162621-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162621-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162621-06&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162621-06&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40345	14.57075	20.0	59047.68500	108 74	219 150	0.4962 0.4961	20200717162621-06	short
SkyMapper_g_20200717162702-06_323.403+14.570_108x72	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162702-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162702-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162702-06&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162702-06&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40344	14.57042	5.0	59047.68546	108 72	219 146	0.4963 0.4962	20200717162702-06	short
SkyMapper_r_20200717162728-06_323.403+14.570_108x73	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162728-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162728-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162728-06&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162728-06&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40345	14.57048	5.0	59047.68576	108 73	219 147	0.4963 0.4962	20200717162728-06	short
SkyMapper_i_20200717162754-06_323.403+14.570_108x70	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162754-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162754-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162754-06&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162754-06&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40346	14.57007	10.0	59047.68606	108 70	219 142	0.4964 0.4962	20200717162754-06	short
SkyMapper_z_20200717162824-06_323.403+14.570_108x70	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162824-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162824-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162824-06&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717162824-06&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40346	14.57014	20.0	59047.68641	108 70	219 142	0.4963 0.4961	20200717162824-06	short
SkyMapper_i_20200912123741-06_323.404+14.575_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123741-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123741-06&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123741-06&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123741-06&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40353	14.57549	100.0	59104.52619	108 108	219 219	0.4963 0.4961	20200912123741-06	main
SkyMapper_i_20200912123941-01_323.403+14.583_108x59	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123941-01&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123941-01&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123941-01&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200912123941-01&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40340	14.58254	100.0	59104.52759	108 59	219 119	0.4959 0.4971	20200912123941-01	main
SkyMapper_u_20201003110946-18_323.403+14.576_108x107	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-18&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003110946-18&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40346	14.57582	40.0	59125.46513	108 107	219 216	0.4970 0.4964	20201003110946-18	short
SkyMapper_v_20201003111046-18_323.403+14.576_108x104	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-18&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111046-18&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40344	14.57613	20.0	59125.46583	108 104	219 211	0.4970 0.4963	20201003111046-18	short
SkyMapper_g_20201003111125-18_323.403+14.576_108x103	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-18&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111125-18&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40346	14.57627	5.0	59125.46628	108 103	219 209	0.4972 0.4965	20201003111125-18	short
SkyMapper_r_20201003111150-18_323.403+14.576_108x103	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-18&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111150-18&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40343	14.57638	5.0	59125.46659	108 103	219 208	0.4972 0.4964	20201003111150-18	short
SkyMapper_i_20201003111215-18_323.403+14.577_108x101	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-18&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111215-18&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40349	14.57663	10.0	59125.46686	108 101	219 205	0.4973 0.4965	20201003111215-18	short
SkyMapper_z_20201003111245-18_323.403+14.577_108x100	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-18&format=png&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-18&format=fits&pos=323.403417,14.5755&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003111245-18&format=mask&pos=323.403417,14.5755&size=0.03,0.03	323.40339	14.57671	20.0	59125.46721	108 100	219 202	0.4971 0.4963	20201003111245-18	short