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_20180323130332-32_159.948+4.579_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130332-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130332-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130332-32&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130332-32&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94779	4.57871	40.0	58200.54413	108 108	219 219	0.4971 0.4964	20180323130332-32	short
SkyMapper_v_20180323130432-32_159.948+4.579_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130432-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130432-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130432-32&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130432-32&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94774	4.57870	20.0	58200.54484	108 108	219 219	0.4971 0.4963	20180323130432-32	short
SkyMapper_g_20180323130512-32_159.948+4.579_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130512-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130512-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130512-32&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130512-32&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94771	4.57876	5.0	58200.54529	108 108	219 219	0.4972 0.4964	20180323130512-32	short
SkyMapper_r_20180323130537-32_159.948+4.579_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130537-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130537-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130537-32&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130537-32&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94775	4.57876	5.0	58200.54559	108 108	219 219	0.4972 0.4964	20180323130537-32	short
SkyMapper_i_20180323130602-32_159.948+4.579_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130602-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130602-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130602-32&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130602-32&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94778	4.57873	10.0	58200.54587	108 108	219 219	0.4973 0.4964	20180323130602-32	short
SkyMapper_z_20180323130633-32_159.948+4.579_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130633-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130633-32&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130633-32&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323130633-32&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94777	4.57876	20.0	58200.54623	108 108	219 219	0.4972 0.4964	20180323130633-32	short
SkyMapper_u_20180502101936-15_159.948+4.579_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502101936-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502101936-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502101936-15&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502101936-15&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94783	4.57870	40.0	58240.43030	108 108	219 219	0.4958 0.4969	20180502101936-15	short
SkyMapper_v_20180502102037-15_159.948+4.579_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102037-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102037-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102037-15&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102037-15&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94775	4.57867	20.0	58240.43101	108 108	219 219	0.4957 0.4969	20180502102037-15	short
SkyMapper_g_20180502102117-15_159.948+4.579_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102117-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102117-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102117-15&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102117-15&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94782	4.57867	5.0	58240.43146	108 108	219 219	0.4958 0.4970	20180502102117-15	short
SkyMapper_r_20180502102142-15_159.948+4.579_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102142-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102142-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102142-15&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102142-15&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94783	4.57879	5.0	58240.43175	108 108	219 219	0.4958 0.4969	20180502102142-15	short
SkyMapper_i_20180502102208-15_159.948+4.579_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102208-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102208-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102208-15&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102208-15&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94785	4.57872	10.0	58240.43205	108 108	219 219	0.4958 0.4970	20180502102208-15	short
SkyMapper_z_20180502102237-15_159.948+4.579_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102237-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102237-15&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102237-15&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502102237-15&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94773	4.57880	20.0	58240.43241	108 108	219 219	0.4958 0.4969	20180502102237-15	short
SkyMapper_i_20190117174010-28_159.942+4.579_67x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174010-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174010-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174010-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174010-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94183	4.57870	100.0	58500.73625	67 108	135 219	0.4970 0.4964	20190117174010-28	main
SkyMapper_i_20190117174211-28_159.948+4.579_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174211-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174211-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174211-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117174211-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94770	4.57877	100.0	58500.73765	108 108	219 219	0.4970 0.4964	20190117174211-28	main
SkyMapper_u_20210408120108-25_159.948+4.579_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120108-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120108-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120108-25&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120108-25&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94780	4.57876	40.0	59312.50077	108 108	219 219	0.4966 0.4972	20210408120108-25	short
SkyMapper_v_20210408120210-25_159.948+4.579_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120210-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120210-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120210-25&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120210-25&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94783	4.57881	20.0	59312.50153	108 108	219 219	0.4966 0.4972	20210408120210-25	short
SkyMapper_g_20210408120252-25_159.948+4.579_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120252-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120252-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120252-25&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120252-25&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94772	4.57869	5.0	59312.50201	108 108	219 219	0.4967 0.4973	20210408120252-25	short
SkyMapper_r_20210408120318-25_159.948+4.579_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120318-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120318-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120318-25&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120318-25&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94783	4.57877	5.0	59312.50232	108 108	219 219	0.4967 0.4973	20210408120318-25	short
SkyMapper_i_20210408120345-25_159.948+4.579_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120345-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120345-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120345-25&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120345-25&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94776	4.57882	10.0	59312.50262	108 108	219 219	0.4968 0.4973	20210408120345-25	short
SkyMapper_z_20210408120418-25_159.948+4.579_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120418-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120418-25&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120418-25&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210408120418-25&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94780	4.57871	20.0	59312.50299	108 108	219 219	0.4967 0.4973	20210408120418-25	short
SkyMapper_u_20210529083936-28_159.948+4.579_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529083936-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529083936-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529083936-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529083936-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94783	4.57875	40.0	59363.36086	108 108	219 219	0.4968 0.4962	20210529083936-28	short
SkyMapper_v_20210529084038-28_159.948+4.579_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084038-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084038-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084038-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084038-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94770	4.57865	20.0	59363.36158	108 108	219 219	0.4968 0.4962	20210529084038-28	short
SkyMapper_g_20210529084119-28_159.948+4.579_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084119-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084119-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084119-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084119-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94783	4.57869	5.0	59363.36206	108 108	219 219	0.4969 0.4963	20210529084119-28	short
SkyMapper_r_20210529084147-28_159.948+4.579_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084147-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084147-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084147-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084147-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94772	4.57869	5.0	59363.36238	108 108	219 219	0.4969 0.4962	20210529084147-28	short
SkyMapper_i_20210529084216-28_159.948+4.579_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084216-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084216-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084216-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084216-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94777	4.57873	10.0	59363.36272	108 108	219 219	0.4969 0.4963	20210529084216-28	short
SkyMapper_z_20210529084249-28_159.948+4.579_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084249-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084249-28&format=png&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084249-28&format=fits&pos=159.947738184,4.57876302449&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210529084249-28&format=mask&pos=159.947738184,4.57876302449&size=0.03,0.03	159.94775	4.57866	20.0	59363.36310	108 108	219 219	0.4969 0.4962	20210529084249-28	short