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_20200813154252-09_336.757+13.601_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154252-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154252-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154252-09&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154252-09&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75748	13.60081	40.0	59074.65478	108 108	219 219	0.4972 0.4974	20200813154252-09	short
SkyMapper_v_20200813154351-09_336.757+13.601_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154351-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154351-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154351-09&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154351-09&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75744	13.60073	20.0	59074.65547	108 108	219 219	0.4972 0.4974	20200813154351-09	short
SkyMapper_g_20200813154432-09_336.757+13.601_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154432-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154432-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154432-09&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154432-09&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75745	13.60076	5.0	59074.65595	108 108	219 219	0.4973 0.4976	20200813154432-09	short
SkyMapper_r_20200813154458-09_336.757+13.601_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154458-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154458-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154458-09&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154458-09&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75746	13.60074	5.0	59074.65625	108 108	219 219	0.4973 0.4975	20200813154458-09	short
SkyMapper_i_20200813154524-09_336.757+13.601_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154524-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154524-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154524-09&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154524-09&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75745	13.60072	10.0	59074.65655	108 108	219 219	0.4974 0.4976	20200813154524-09	short
SkyMapper_z_20200813154556-09_336.757+13.601_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154556-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154556-09&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154556-09&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813154556-09&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75741	13.60072	20.0	59074.65692	108 108	219 219	0.4973 0.4975	20200813154556-09	short
SkyMapper_i_20200829142414-18_336.758+13.601_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829142414-18&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829142414-18&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829142414-18&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829142414-18&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75751	13.60066	100.0	59090.60017	108 108	219 219	0.4972 0.4965	20200829142414-18	main
SkyMapper_u_20201004122632-05_336.757+13.601_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122632-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122632-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122632-05&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122632-05&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75747	13.60078	40.0	59126.51845	108 108	219 219	0.4966 0.4972	20201004122632-05	short
SkyMapper_v_20201004122732-05_336.757+13.601_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122732-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122732-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122732-05&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122732-05&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75745	13.60077	20.0	59126.51914	108 108	219 219	0.4966 0.4972	20201004122732-05	short
SkyMapper_g_20201004122811-05_336.758+13.601_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122811-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122811-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122811-05&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122811-05&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75752	13.60073	5.0	59126.51959	108 108	219 219	0.4967 0.4973	20201004122811-05	short
SkyMapper_r_20201004122843-05_336.757+13.601_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122843-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122843-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122843-05&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122843-05&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75739	13.60068	5.0	59126.51995	108 108	219 219	0.4967 0.4973	20201004122843-05	short
SkyMapper_i_20201004122908-05_336.758+13.601_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122908-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122908-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122908-05&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122908-05&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75752	13.60076	10.0	59126.52024	108 108	219 219	0.4968 0.4974	20201004122908-05	short
SkyMapper_z_20201004122937-05_336.757+13.601_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122937-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122937-05&format=png&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122937-05&format=fits&pos=336.757421917,13.6007521187&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004122937-05&format=mask&pos=336.757421917,13.6007521187&size=0.03,0.03	336.75743	13.60067	20.0	59126.52059	108 108	219 219	0.4967 0.4973	20201004122937-05	short