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_20200823174047-09_18.481+15.089_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174047-09&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174047-09&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174047-09&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174047-09&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48121	15.08942	10.0	59084.73669	108 108	219 219	0.4974 0.4976	20200823174047-09	short
SkyMapper_z_20200823174120-09_18.481+15.089_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174120-09&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174120-09&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174120-09&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200823174120-09&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48119	15.08943	20.0	59084.73705	108 108	219 219	0.4973 0.4976	20200823174120-09	short
SkyMapper_i_20200917160015-05_18.481+15.089_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917160015-05&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917160015-05&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917160015-05&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917160015-05&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48119	15.08942	100.0	59109.66685	108 108	219 219	0.4968 0.4974	20200917160015-05	main
SkyMapper_i_20200917162818-05_18.481+15.089_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917162818-05&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917162818-05&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917162818-05&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200917162818-05&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48114	15.08938	100.0	59109.68634	108 108	219 219	0.4968 0.4974	20200917162818-05	main
SkyMapper_v_20201202105643-26_18.482+15.089_103x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-26&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105643-26&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48192	15.08938	20.0	59185.45608	103 108	208 219	0.4962 0.4960	20201202105643-26	short
SkyMapper_g_20201202105725-26_18.482+15.089_103x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-26&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105725-26&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48203	15.08946	5.0	59185.45657	103 108	208 219	0.4963 0.4962	20201202105725-26	short
SkyMapper_r_20201202105751-26_18.482+15.089_102x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-26&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105751-26&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48206	15.08934	5.0	59185.45688	102 108	207 219	0.4963 0.4962	20201202105751-26	short
SkyMapper_i_20201202105818-26_18.482+15.089_101x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-26&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105818-26&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48220	15.08944	10.0	59185.45719	101 108	205 219	0.4963 0.4962	20201202105818-26	short
SkyMapper_z_20201202105849-26_18.482+15.089_102x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-26&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-26&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201202105849-26&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48208	15.08934	20.0	59185.45755	102 108	207 219	0.4962 0.4961	20201202105849-26	short
SkyMapper_u_20201204104550-22_18.481+15.089_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-22&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104550-22&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48115	15.08941	40.0	59187.44852	108 108	219 219	0.4968 0.4963	20201204104550-22	short
SkyMapper_v_20201204104651-22_18.481+15.089_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-22&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104651-22&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48114	15.08944	20.0	59187.44923	108 108	219 219	0.4968 0.4962	20201204104651-22	short
SkyMapper_g_20201204104733-22_18.481+15.089_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-22&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104733-22&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48110	15.08935	5.0	59187.44972	108 108	219 219	0.4969 0.4963	20201204104733-22	short
SkyMapper_r_20201204104758-22_18.481+15.089_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-22&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104758-22&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48122	15.08939	5.0	59187.45001	108 108	219 219	0.4969 0.4963	20201204104758-22	short
SkyMapper_i_20201204104825-22_18.481+15.089_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-22&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104825-22&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48116	15.08942	10.0	59187.45033	108 108	219 219	0.4969 0.4964	20201204104825-22	short
SkyMapper_z_20201204104857-22_18.481+15.089_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-22&format=png&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-22&format=fits&pos=18.4811355624,15.0894377758&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204104857-22&format=mask&pos=18.4811355624,15.0894377758&size=0.03,0.03	18.48115	15.08945	20.0	59187.45069	108 108	219 219	0.4969 0.4963	20201204104857-22	short