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_20180913191434-10_64.575+2.868_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180913191434-10&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180913191434-10&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180913191434-10&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180913191434-10&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57478	2.86810	100.0	58374.80181	108 108	219 219	0.4970 0.4963	20180913191434-10	main
SkyMapper_u_20191012171356-25_64.575+2.868_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171356-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171356-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171356-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171356-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57483	2.86810	40.0	58768.71803	108 108	219 219	0.4967 0.4972	20191012171356-25	short
SkyMapper_v_20191012171456-25_64.575+2.868_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171456-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171456-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171456-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171456-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57479	2.86812	20.0	58768.71874	108 108	219 219	0.4966 0.4972	20191012171456-25	short
SkyMapper_g_20191012171536-25_64.575+2.868_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171536-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171536-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171536-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171536-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57486	2.86822	5.0	58768.71919	108 108	219 219	0.4967 0.4973	20191012171536-25	short
SkyMapper_r_20191012171602-25_64.575+2.868_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171602-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171602-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171602-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171602-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57480	2.86811	5.0	58768.71948	108 108	219 219	0.4967 0.4973	20191012171602-25	short
SkyMapper_i_20191012171627-25_64.575+2.868_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171627-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171627-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171627-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171627-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57481	2.86816	10.0	58768.71978	108 108	219 219	0.4968 0.4974	20191012171627-25	short
SkyMapper_z_20191012171657-25_64.575+2.868_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171657-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171657-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171657-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191012171657-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57486	2.86823	20.0	58768.72012	108 108	219 219	0.4967 0.4973	20191012171657-25	short
SkyMapper_r_20191117145736-25_64.575+2.868_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145736-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145736-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145736-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145736-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57482	2.86812	5.0	58804.62333	108 108	219 219	0.4968 0.4973	20191117145736-25	short
SkyMapper_i_20191117145800-25_64.575+2.868_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145800-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145800-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145800-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145800-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57488	2.86816	10.0	58804.62363	108 108	219 219	0.4968 0.4974	20191117145800-25	short
SkyMapper_z_20191117145830-25_64.575+2.868_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145830-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145830-25&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145830-25&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191117145830-25&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57491	2.86810	20.0	58804.62397	108 108	219 219	0.4967 0.4973	20191117145830-25	short
SkyMapper_i_20191215152520-10_64.575+2.868_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215152520-10&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215152520-10&format=png&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215152520-10&format=fits&pos=64.574817,2.868175&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215152520-10&format=mask&pos=64.574817,2.868175&size=0.03,0.03	64.57487	2.86820	100.0	58832.64260	108 108	219 219	0.4970 0.4963	20191215152520-10	main