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_20180401121924-32_157.604+4.162_62x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401121924-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401121924-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401121924-32&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401121924-32&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.60428	4.16230	40.0	58209.51348	62 108	126 219	0.4971 0.4963	20180401121924-32	short
SkyMapper_v_20180401122024-32_157.604+4.162_63x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122024-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122024-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122024-32&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122024-32&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.60428	4.16231	20.0	58209.51418	63 108	127 219	0.4971 0.4963	20180401122024-32	short
SkyMapper_g_20180401122104-32_157.604+4.162_62x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122104-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122104-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122104-32&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122104-32&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.60427	4.16223	5.0	58209.51465	62 108	126 219	0.4972 0.4964	20180401122104-32	short
SkyMapper_r_20180401122130-32_157.604+4.162_63x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122130-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122130-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122130-32&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122130-32&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.60423	4.16228	5.0	58209.51494	63 108	127 219	0.4971 0.4963	20180401122130-32	short
SkyMapper_i_20180401122155-32_157.604+4.162_62x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122155-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122155-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122155-32&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122155-32&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.60429	4.16230	10.0	58209.51524	62 108	126 219	0.4972 0.4964	20180401122155-32	short
SkyMapper_z_20180401122226-32_157.604+4.162_63x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122226-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122226-32&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122226-32&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401122226-32&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.60430	4.16218	20.0	58209.51560	63 108	127 219	0.4972 0.4963	20180401122226-32	short
SkyMapper_u_20180502102700-15_157.598+4.162_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102700-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102700-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102700-15&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102700-15&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59787	4.16199	40.0	58240.43544	108 108	219 219	0.4958 0.4969	20180502102700-15	short
SkyMapper_v_20180502102801-15_157.598+4.162_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102801-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102801-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102801-15&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102801-15&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59786	4.16200	20.0	58240.43613	108 108	219 219	0.4957 0.4969	20180502102801-15	short
SkyMapper_g_20180502102841-15_157.598+4.162_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102841-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102841-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102841-15&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102841-15&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59791	4.16204	5.0	58240.43661	108 108	219 219	0.4958 0.4970	20180502102841-15	short
SkyMapper_r_20180502102907-15_157.598+4.162_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102907-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102907-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102907-15&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102907-15&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59795	4.16204	5.0	58240.43690	108 108	219 219	0.4958 0.4969	20180502102907-15	short
SkyMapper_i_20180502102931-15_157.598+4.162_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102931-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102931-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102931-15&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102931-15&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59796	4.16200	10.0	58240.43720	108 108	219 219	0.4959 0.4970	20180502102931-15	short
SkyMapper_z_20180502103002-15_157.598+4.162_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502103002-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502103002-15&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502103002-15&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502103002-15&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59787	4.16202	20.0	58240.43753	108 108	219 219	0.4958 0.4969	20180502103002-15	short
SkyMapper_i_20180601091529-12_157.598+4.162_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091529-12&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091529-12&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091529-12&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091529-12&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59784	4.16203	10.0	58270.38579	108 108	219 219	0.4963 0.4961	20180601091529-12	short
SkyMapper_z_20180601091600-12_157.598+4.162_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091600-12&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091600-12&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091600-12&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180601091600-12&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59791	4.16208	20.0	58270.38613	108 108	219 219	0.4962 0.4960	20180601091600-12	short
SkyMapper_i_20190117173208-27_157.598+4.162_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173208-27&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173208-27&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173208-27&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173208-27&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59791	4.16211	100.0	58500.73066	108 108	219 219	0.4974 0.4976	20190117173208-27	main
SkyMapper_i_20190117173408-28_157.598+4.162_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173408-28&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173408-28&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173408-28&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117173408-28&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59793	4.16202	100.0	58500.73206	108 108	219 219	0.4970 0.4964	20190117173408-28	main
SkyMapper_u_20210402121110-11_157.598+4.162_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121110-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121110-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121110-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121110-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59795	4.16207	40.0	59306.50779	108 108	219 219	0.4966 0.4972	20210402121110-11	short
SkyMapper_v_20210402121212-11_157.598+4.162_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121212-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121212-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121212-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121212-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59788	4.16204	20.0	59306.50851	108 108	219 219	0.4966 0.4972	20210402121212-11	short
SkyMapper_g_20210402121254-11_157.598+4.162_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121254-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121254-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121254-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121254-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59787	4.16207	5.0	59306.50898	108 108	219 219	0.4967 0.4973	20210402121254-11	short
SkyMapper_r_20210402121320-11_157.598+4.162_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121320-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121320-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121320-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121320-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59791	4.16210	5.0	59306.50930	108 108	219 219	0.4967 0.4972	20210402121320-11	short
SkyMapper_u_20210404115748-11_157.598+4.162_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115748-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115748-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115748-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115748-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59782	4.16208	40.0	59308.49850	108 108	219 219	0.4966 0.4972	20210404115748-11	short
SkyMapper_v_20210404115850-11_157.598+4.162_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115850-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115850-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115850-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115850-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59789	4.16205	20.0	59308.49922	108 108	219 219	0.4966 0.4972	20210404115850-11	short
SkyMapper_g_20210404115932-11_157.598+4.162_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115932-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115932-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115932-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115932-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59783	4.16208	5.0	59308.49969	108 108	219 219	0.4967 0.4973	20210404115932-11	short
SkyMapper_r_20210404115958-11_157.598+4.162_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115958-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115958-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115958-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404115958-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59793	4.16207	5.0	59308.50001	108 108	219 219	0.4967 0.4973	20210404115958-11	short
SkyMapper_i_20210404120029-11_157.598+4.162_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120029-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120029-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120029-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120029-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59785	4.16214	10.0	59308.50036	108 108	219 219	0.4968 0.4973	20210404120029-11	short
SkyMapper_z_20210404120101-11_157.598+4.162_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120101-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120101-11&format=png&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120101-11&format=fits&pos=157.597848738,4.16208739214&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210404120101-11&format=mask&pos=157.597848738,4.16208739214&size=0.03,0.03	157.59792	4.16211	20.0	59308.50074	108 108	219 219	0.4967 0.4973	20210404120101-11	short