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_20180813094511-07_231.078+10.470_107x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094511-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094511-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094511-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094511-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07824	10.47042	40.0	58343.40639	107 108	216 219	0.4972 0.4974	20180813094511-07	short
SkyMapper_v_20180813094612-07_231.078+10.470_106x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094612-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094612-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094612-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094612-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07823	10.47044	20.0	58343.40711	106 108	215 219	0.4972 0.4974	20180813094612-07	short
SkyMapper_g_20180813094653-07_231.078+10.470_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094653-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094653-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094653-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094653-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07838	10.47039	5.0	58343.40757	108 108	218 219	0.4973 0.4975	20180813094653-07	short
SkyMapper_r_20180813094718-07_231.078+10.470_107x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094718-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094718-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094718-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094718-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07833	10.47044	5.0	58343.40786	107 108	217 219	0.4973 0.4975	20180813094718-07	short
SkyMapper_i_20180813094743-07_231.078+10.470_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094743-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094743-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094743-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094743-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07848	10.47043	10.0	58343.40816	108 108	218 219	0.4974 0.4976	20180813094743-07	short
SkyMapper_z_20180813094814-07_231.078+10.470_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094814-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094814-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094814-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813094814-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07838	10.47031	20.0	58343.40851	108 108	218 219	0.4973 0.4975	20180813094814-07	short
SkyMapper_i_20180822085030-07_231.079+10.470_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085030-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085030-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085030-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085030-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07865	10.47036	100.0	58352.36841	108 108	219 219	0.4973 0.4976	20180822085030-07	main
SkyMapper_i_20180822085230-17_231.072+10.475_63x74	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085230-17&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085230-17&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085230-17&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822085230-17&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07210	10.47537	100.0	58352.36980	63 74	128 150	0.4977 0.4977	20180822085230-17	main
SkyMapper_v_20190314182240-07_231.079+10.470_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182240-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182240-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182240-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182240-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07862	10.47043	20.0	58556.76576	108 108	219 219	0.4972 0.4974	20190314182240-07	short
SkyMapper_u_20190314182708-07_231.079+10.470_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182708-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182708-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182708-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182708-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07869	10.47041	40.0	58556.76887	108 108	219 219	0.4972 0.4974	20190314182708-07	short
SkyMapper_v_20190314182811-07_231.079+10.470_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182811-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182811-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182811-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182811-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07871	10.47034	20.0	58556.76959	108 108	219 219	0.4972 0.4974	20190314182811-07	short
SkyMapper_g_20190314182851-07_231.079+10.470_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182851-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182851-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182851-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182851-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07870	10.47039	5.0	58556.77006	108 108	219 219	0.4973 0.4976	20190314182851-07	short
SkyMapper_r_20190314182917-07_231.079+10.470_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182917-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182917-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182917-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182917-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07870	10.47033	5.0	58556.77036	108 108	219 219	0.4973 0.4975	20190314182917-07	short
SkyMapper_i_20190314182942-07_231.079+10.470_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182942-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182942-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182942-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314182942-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07860	10.47045	10.0	58556.77065	108 108	219 219	0.4974 0.4976	20190314182942-07	short
SkyMapper_z_20190314183013-07_231.079+10.470_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314183013-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314183013-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314183013-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190314183013-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07870	10.47032	20.0	58556.77101	108 108	219 219	0.4973 0.4976	20190314183013-07	short
SkyMapper_u_20210411163304-24_231.079+10.470_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163304-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163304-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163304-24&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163304-24&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07866	10.47036	40.0	59315.68966	108 108	219 219	0.4963 0.4961	20210411163304-24	short
SkyMapper_v_20210411163406-24_231.079+10.470_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163406-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163406-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163406-24&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163406-24&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07867	10.47040	20.0	59315.69038	108 108	219 219	0.4963 0.4960	20210411163406-24	short
SkyMapper_g_20210411163447-24_231.079+10.470_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163447-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163447-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163447-24&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163447-24&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07871	10.47031	5.0	59315.69085	108 108	219 219	0.4962 0.4962	20210411163447-24	short
SkyMapper_r_20210411163514-24_231.079+10.470_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163514-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163514-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163514-24&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163514-24&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07875	10.47029	5.0	59315.69116	108 108	219 219	0.4964 0.4961	20210411163514-24	short
SkyMapper_i_20210411163540-24_231.079+10.470_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163540-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163540-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163540-24&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163540-24&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07872	10.47031	10.0	59315.69146	108 108	219 219	0.4964 0.4962	20210411163540-24	short
SkyMapper_z_20210411163612-24_231.079+10.470_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163612-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163612-24&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163612-24&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210411163612-24&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07864	10.47030	20.0	59315.69184	108 108	219 219	0.4963 0.4961	20210411163612-24	short
SkyMapper_g_20210527133527-07_231.079+10.470_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133527-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133527-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133527-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133527-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07868	10.47039	5.0	59361.56632	108 108	219 219	0.4973 0.4975	20210527133527-07	short
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SkyMapper_z_20210527133652-07_231.079+10.470_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133652-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133652-07&format=png&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133652-07&format=fits&pos=231.078639785,10.4703857412&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210527133652-07&format=mask&pos=231.078639785,10.4703857412&size=0.03,0.03	231.07868	10.47037	20.0	59361.56730	108 108	219 219	0.4973 0.4975	20210527133652-07	short