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_20180806104059-24_257.985+11.165_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104059-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104059-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104059-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104059-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98532	11.16537	40.0	58336.44514	108 108	219 219	0.4963 0.4961	20180806104059-24	short
SkyMapper_v_20180806104159-24_257.985+11.165_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104159-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104159-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104159-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104159-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98535	11.16534	20.0	58336.44583	108 108	219 219	0.4963 0.4960	20180806104159-24	short
SkyMapper_g_20180806104240-24_257.985+11.165_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104240-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104240-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104240-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104240-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98525	11.16536	5.0	58336.44632	108 108	219 219	0.4963 0.4961	20180806104240-24	short
SkyMapper_i_20180806104332-24_257.985+11.165_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104332-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104332-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104332-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104332-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98525	11.16541	10.0	58336.44692	108 108	219 219	0.4963 0.4962	20180806104332-24	short
SkyMapper_z_20180806104403-24_257.985+11.165_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104403-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104403-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104403-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806104403-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98529	11.16545	20.0	58336.44727	108 108	219 219	0.4963 0.4961	20180806104403-24	short
SkyMapper_v_20180807103757-23_257.985+11.165_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103757-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103757-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103757-23&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103757-23&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98531	11.16542	20.0	58337.44304	108 108	219 219	0.4966 0.4972	20180807103757-23	short
SkyMapper_g_20180807103837-23_257.985+11.166_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103837-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103837-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103837-23&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103837-23&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98525	11.16551	5.0	58337.44351	108 108	219 219	0.4967 0.4973	20180807103837-23	short
SkyMapper_r_20180807103902-23_257.985+11.165_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103902-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103902-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103902-23&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103902-23&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98524	11.16541	5.0	58337.44380	108 108	219 219	0.4967 0.4973	20180807103902-23	short
SkyMapper_i_20180807103928-23_257.985+11.165_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103928-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103928-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103928-23&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103928-23&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98530	11.16543	10.0	58337.44409	108 108	219 219	0.4967 0.4974	20180807103928-23	short
SkyMapper_z_20180807103958-23_257.985+11.165_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103958-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103958-23&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103958-23&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807103958-23&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98524	11.16545	20.0	58337.44444	108 108	219 219	0.4967 0.4973	20180807103958-23	short
SkyMapper_v_20180808103456-24_257.985+11.165_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103456-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103456-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103456-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103456-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98531	11.16537	20.0	58338.44094	108 108	219 219	0.4963 0.4960	20180808103456-24	short
SkyMapper_g_20180808103536-24_257.985+11.165_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103536-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103536-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103536-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103536-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98529	11.16544	5.0	58338.44141	108 108	219 219	0.4963 0.4961	20180808103536-24	short
SkyMapper_r_20180808103602-24_257.985+11.165_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103602-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103602-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103602-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103602-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98526	11.16540	5.0	58338.44170	108 108	219 219	0.4963 0.4961	20180808103602-24	short
SkyMapper_i_20180808103627-24_257.985+11.165_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103627-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103627-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103627-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103627-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98531	11.16536	10.0	58338.44200	108 108	219 219	0.4963 0.4961	20180808103627-24	short
SkyMapper_z_20180808103658-24_257.985+11.165_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103658-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103658-24&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103658-24&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808103658-24&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98526	11.16543	20.0	58338.44236	108 108	219 219	0.4963 0.4961	20180808103658-24	short
SkyMapper_i_20180830090838-20_257.985+11.165_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180830090838-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180830090838-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180830090838-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180830090838-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98528	11.16546	100.0	58360.38101	108 108	219 219	0.4955 0.4958	20180830090838-20	main
SkyMapper_u_20200514160900-20_257.985+11.165_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514160900-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514160900-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514160900-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514160900-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98538	11.16544	40.0	58983.67294	108 108	219 219	0.4955 0.4958	20200514160900-20	short
SkyMapper_v_20200514161001-20_257.985+11.165_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161001-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161001-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161001-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161001-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98531	11.16539	20.0	58983.67365	108 108	219 219	0.4954 0.4958	20200514161001-20	short
SkyMapper_g_20200514161042-20_257.985+11.165_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161042-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161042-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161042-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161042-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98529	11.16543	5.0	58983.67411	108 108	219 219	0.4955 0.4960	20200514161042-20	short
SkyMapper_r_20200514161108-20_257.985+11.165_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161108-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161108-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161108-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161108-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98537	11.16539	5.0	58983.67441	108 108	219 219	0.4954 0.4958	20200514161108-20	short
SkyMapper_i_20200514161135-20_257.985+11.165_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161135-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161135-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161135-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161135-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98535	11.16543	10.0	58983.67477	108 108	219 219	0.4955 0.4959	20200514161135-20	short
SkyMapper_z_20200514161209-20_257.985+11.165_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161209-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161209-20&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161209-20&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200514161209-20&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98537	11.16546	20.0	58983.67513	108 108	219 219	0.4954 0.4958	20200514161209-20	short
SkyMapper_z_20200714122106-15_257.985+11.165_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200714122106-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200714122106-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200714122106-15&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200714122106-15&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98537	11.16541	20.0	59044.51468	108 108	219 219	0.4958 0.4970	20200714122106-15	short
SkyMapper_r_20200823092734-15_257.985+11.165_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092734-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092734-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092734-15&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092734-15&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98535	11.16540	5.0	59084.39417	108 108	219 219	0.4958 0.4969	20200823092734-15	short
SkyMapper_i_20200823092759-15_257.985+11.165_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092759-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092759-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092759-15&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092759-15&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98538	11.16537	10.0	59084.39444	108 108	219 219	0.4958 0.4970	20200823092759-15	short
SkyMapper_z_20200823092829-15_257.985+11.165_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092829-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092829-15&format=png&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092829-15&format=fits&pos=257.985271722,11.1654526045&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823092829-15&format=mask&pos=257.985271722,11.1654526045&size=0.03,0.03	257.98534	11.16545	20.0	59084.39480	108 108	219 219	0.4958 0.4969	20200823092829-15	short