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_20181221175239-06_141.002+5.207_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175239-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175239-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175239-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175239-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00230	5.20683	100.0	58473.74492	108 108	219 219	0.4963 0.4961	20181221175239-06	main
SkyMapper_u_20190214152420-06_141.002+5.207_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152420-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152420-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152420-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152420-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00233	5.20688	40.0	58528.64192	108 108	219 219	0.4962 0.4961	20190214152420-06	short
SkyMapper_v_20190214152520-06_141.002+5.207_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152520-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152520-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152520-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152520-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00235	5.20686	20.0	58528.64260	108 108	219 219	0.4962 0.4960	20190214152520-06	short
SkyMapper_g_20190214152601-06_141.002+5.207_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152601-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152601-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152601-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152601-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00228	5.20685	5.0	58528.64308	108 108	219 219	0.4963 0.4962	20190214152601-06	short
SkyMapper_r_20190214152626-06_141.002+5.207_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152626-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152626-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152626-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152626-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00233	5.20693	5.0	58528.64338	108 108	219 219	0.4962 0.4960	20190214152626-06	short
SkyMapper_i_20190214152651-06_141.002+5.207_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152651-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152651-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152651-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152651-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00235	5.20692	10.0	58528.64366	108 108	219 219	0.4963 0.4962	20190214152651-06	short
SkyMapper_z_20190214152721-06_141.002+5.207_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152721-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152721-06&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152721-06&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190214152721-06&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00232	5.20688	20.0	58528.64402	108 108	219 219	0.4962 0.4960	20190214152721-06	short
SkyMapper_u_20210331111203-21_141.008+5.207_70x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111203-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111203-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111203-21&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111203-21&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00760	5.20695	40.0	59304.46674	70 108	142 219	0.4972 0.4974	20210331111203-21	short
SkyMapper_v_20210331111304-21_141.008+5.207_71x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111304-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111304-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111304-21&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111304-21&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00758	5.20696	20.0	59304.46744	71 108	143 219	0.4972 0.4973	20210331111304-21	short
SkyMapper_g_20210331111346-21_141.008+5.207_70x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111346-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111346-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111346-21&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111346-21&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00767	5.20688	5.0	59304.46793	70 108	141 219	0.4973 0.4975	20210331111346-21	short
SkyMapper_r_20210331111413-21_141.008+5.207_70x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111413-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111413-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111413-21&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111413-21&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00760	5.20689	5.0	59304.46824	70 108	142 219	0.4973 0.4975	20210331111413-21	short
SkyMapper_i_20210331111440-21_141.008+5.207_69x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111440-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111440-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111440-21&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111440-21&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00775	5.20696	10.0	59304.46855	69 108	140 219	0.4974 0.4975	20210331111440-21	short
SkyMapper_z_20210331111511-21_141.008+5.207_70x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111511-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111511-21&format=png&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111511-21&format=fits&pos=141.00229,5.20694&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210331111511-21&format=mask&pos=141.00229,5.20694&size=0.03,0.03	141.00765	5.20687	20.0	59304.46891	70 108	141 219	0.4973 0.4975	20210331111511-21	short