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_i_20181206174951-08_121.451+2.677_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181206174951-08&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181206174951-08&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181206174951-08&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181206174951-08&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45128	2.67707	100.0	58458.74296	108 108	219 219	0.4970 0.4964	20181206174951-08	main
SkyMapper_i_20181209172336-08_121.451+2.677_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181209172336-08&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181209172336-08&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181209172336-08&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181209172336-08&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45121	2.67711	100.0	58461.72473	108 108	219 219	0.4970 0.4963	20181209172336-08	main
SkyMapper_u_20190220130802-27_121.451+2.677_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130802-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130802-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130802-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130802-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45126	2.67715	40.0	58534.54726	108 108	219 219	0.4972 0.4974	20190220130802-27	short
SkyMapper_v_20190220130902-27_121.451+2.677_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130902-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130902-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130902-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220130902-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45128	2.67711	20.0	58534.54796	108 108	219 219	0.4972 0.4973	20190220130902-27	short
SkyMapper_r_20190220131008-27_121.451+2.677_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131008-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131008-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131008-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131008-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45132	2.67716	5.0	58534.54872	108 108	219 219	0.4973 0.4974	20190220131008-27	short
SkyMapper_i_20190220131040-27_121.451+2.677_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131040-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131040-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131040-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131040-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45120	2.67717	10.0	58534.54910	108 108	219 219	0.4974 0.4975	20190220131040-27	short
SkyMapper_z_20190220131110-27_121.451+2.677_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131110-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131110-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131110-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190220131110-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45125	2.67720	20.0	58534.54944	108 108	219 219	0.4973 0.4975	20190220131110-27	short
SkyMapper_u_20190410092111-27_121.451+2.677_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092111-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092111-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092111-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092111-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45131	2.67712	40.0	58583.38973	108 108	219 219	0.4972 0.4973	20190410092111-27	short
SkyMapper_v_20190410092212-27_121.451+2.677_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092212-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092212-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092212-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092212-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45120	2.67718	20.0	58583.39043	108 108	219 219	0.4972 0.4973	20190410092212-27	short
SkyMapper_g_20190410092252-27_121.451+2.677_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092252-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092252-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092252-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092252-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45122	2.67718	5.0	58583.39089	108 108	219 219	0.4973 0.4974	20190410092252-27	short
SkyMapper_r_20190410092321-27_121.451+2.677_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092321-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092321-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092321-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092321-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45131	2.67710	5.0	58583.39123	108 108	219 219	0.4972 0.4974	20190410092321-27	short
SkyMapper_i_20190410092346-27_121.451+2.677_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092346-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092346-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092346-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092346-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45119	2.67719	10.0	58583.39152	108 108	219 219	0.4973 0.4975	20190410092346-27	short
SkyMapper_z_20190410092416-27_121.451+2.677_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092416-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092416-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092416-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190410092416-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45132	2.67714	20.0	58583.39186	108 108	219 219	0.4973 0.4974	20190410092416-27	short
SkyMapper_g_20200114163149-27_121.451+2.677_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163149-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163149-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163149-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163149-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45127	2.67721	5.0	58862.68878	108 108	219 219	0.4974 0.4975	20200114163149-27	short
SkyMapper_r_20200114163214-27_121.451+2.677_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163214-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163214-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163214-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163214-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45130	2.67721	5.0	58862.68906	108 108	219 219	0.4974 0.4975	20200114163214-27	short
SkyMapper_i_20200114163239-27_121.451+2.677_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163239-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163239-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163239-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163239-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45123	2.67711	10.0	58862.68935	108 108	219 219	0.4974 0.4976	20200114163239-27	short
SkyMapper_z_20200114163309-27_121.451+2.677_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163309-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163309-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163309-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200114163309-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45127	2.67713	20.0	58862.68971	108 108	219 219	0.4974 0.4976	20200114163309-27	short
SkyMapper_u_20210407093221-27_121.451+2.677_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093221-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093221-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093221-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093221-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45128	2.67718	40.0	59311.39750	108 108	219 219	0.4972 0.4973	20210407093221-27	short
SkyMapper_v_20210407093323-27_121.451+2.677_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093323-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093323-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093323-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093323-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45130	2.67711	20.0	59311.39822	108 108	219 219	0.4972 0.4973	20210407093323-27	short
SkyMapper_g_20210407093405-27_121.451+2.677_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093405-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093405-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093405-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093405-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45133	2.67722	5.0	59311.39870	108 108	219 219	0.4973 0.4975	20210407093405-27	short
SkyMapper_r_20210407093432-27_121.451+2.677_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093432-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093432-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093432-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093432-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45124	2.67721	5.0	59311.39901	108 108	219 219	0.4973 0.4974	20210407093432-27	short
SkyMapper_z_20210407093530-27_121.451+2.677_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093530-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093530-27&format=png&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093530-27&format=fits&pos=121.45125,2.677161&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210407093530-27&format=mask&pos=121.45125,2.677161&size=0.03,0.03	121.45122	2.67714	20.0	59311.39968	108 108	219 219	0.4972 0.4974	20210407093530-27	short