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_20200823172421-30_17.518+13.930_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172421-30&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172421-30&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172421-30&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172421-30&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51818	13.92998	10.0	59084.72525	108 108	219 219	0.4955 0.4959	20200823172421-30	short
SkyMapper_z_20200823172453-30_17.518+13.930_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172453-30&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172453-30&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172453-30&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823172453-30&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51813	13.93003	20.0	59084.72564	108 108	219 219	0.4954 0.4959	20200823172453-30	short
SkyMapper_i_20200824172237-26_17.512+13.930_67x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824172237-26&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824172237-26&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824172237-26&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824172237-26&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51222	13.93008	10.0	59085.72405	67 108	137 219	0.4964 0.4963	20200824172237-26	short
SkyMapper_u_20200830171600-09_17.518+13.930_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171600-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171600-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171600-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171600-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51814	13.93010	40.0	59091.71946	108 108	219 219	0.4972 0.4975	20200830171600-09	short
SkyMapper_v_20200830171702-09_17.518+13.930_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171702-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171702-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171702-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171702-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51811	13.93001	20.0	59091.72019	108 108	219 219	0.4972 0.4975	20200830171702-09	short
SkyMapper_g_20200830171743-09_17.518+13.930_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171743-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171743-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171743-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171743-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51810	13.93003	5.0	59091.72066	108 108	219 219	0.4973 0.4976	20200830171743-09	short
SkyMapper_r_20200830171808-09_17.518+13.930_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171808-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171808-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171808-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171808-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51815	13.93008	5.0	59091.72094	108 108	219 219	0.4973 0.4976	20200830171808-09	short
SkyMapper_i_20200830171832-09_17.518+13.930_108x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171832-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171832-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171832-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171832-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51809	13.93012	10.0	59091.72124	108 109	219 219	0.4974 0.4976	20200830171832-09	short
SkyMapper_z_20200830171904-09_17.518+13.930_108x109	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171904-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171904-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171904-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200830171904-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51810	13.93007	20.0	59091.72159	108 109	219 219	0.4973 0.4976	20200830171904-09	short
SkyMapper_i_20200917154812-26_17.518+13.930_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917154812-26&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917154812-26&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917154812-26&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917154812-26&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51815	13.93003	100.0	59109.65850	108 108	219 219	0.4964 0.4962	20200917154812-26	main
SkyMapper_i_20200917155013-26_17.518+13.930_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917155013-26&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917155013-26&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917155013-26&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917155013-26&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51819	13.93000	100.0	59109.65990	108 108	219 219	0.4964 0.4962	20200917155013-26	main
SkyMapper_v_20201202105643-09_17.518+13.930_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51797	13.93009	20.0	59185.45608	108 108	218 219	0.4972 0.4974	20201202105643-09	short
SkyMapper_g_20201202105725-09_17.518+13.930_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51795	13.93005	5.0	59185.45657	108 108	218 219	0.4973 0.4975	20201202105725-09	short
SkyMapper_r_20201202105751-09_17.518+13.930_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51805	13.93003	5.0	59185.45688	108 108	218 219	0.4973 0.4975	20201202105751-09	short
SkyMapper_i_20201202105818-09_17.518+13.930_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51814	13.93002	10.0	59185.45719	108 108	218 219	0.4973 0.4976	20201202105818-09	short
SkyMapper_z_20201202105849-09_17.518+13.930_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51808	13.93011	20.0	59185.45755	108 108	218 219	0.4973 0.4975	20201202105849-09	short
SkyMapper_u_20201204104550-09_17.518+13.930_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51817	13.93006	40.0	59187.44852	108 108	219 219	0.4972 0.4974	20201204104550-09	short
SkyMapper_v_20201204104651-09_17.518+13.930_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51821	13.93005	20.0	59187.44923	108 108	219 219	0.4972 0.4974	20201204104651-09	short
SkyMapper_g_20201204104733-09_17.518+13.930_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51819	13.93011	5.0	59187.44972	108 108	219 219	0.4973 0.4975	20201204104733-09	short
SkyMapper_r_20201204104758-09_17.518+13.930_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51820	13.93006	5.0	59187.45001	108 108	219 219	0.4972 0.4975	20201204104758-09	short
SkyMapper_i_20201204104825-09_17.518+13.930_108x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51814	13.93004	10.0	59187.45033	108 109	219 219	0.4973 0.4976	20201204104825-09	short
SkyMapper_z_20201204104857-09_17.518+13.930_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-09&format=png&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-09&format=fits&pos=17.5181304719,13.9300800074&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-09&format=mask&pos=17.5181304719,13.9300800074&size=0.03,0.03	17.51811	13.93011	20.0	59187.45069	108 108	219 219	0.4973 0.4975	20201204104857-09	short