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_u_20180401115536-07_156.123+3.383_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115536-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115536-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115536-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115536-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12254	3.38320	40.0	58209.49697	108 108	219 219	0.4972 0.4974	20180401115536-07	short
SkyMapper_v_20180401115637-07_156.123+3.383_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115637-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115637-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115637-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115637-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12262	3.38330	20.0	58209.49766	108 108	219 219	0.4972 0.4973	20180401115637-07	short
SkyMapper_g_20180401115717-07_156.123+3.383_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115717-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115717-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115717-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115717-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12252	3.38326	5.0	58209.49814	108 108	219 219	0.4973 0.4975	20180401115717-07	short
SkyMapper_r_20180401115742-07_156.123+3.383_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115742-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115742-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115742-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115742-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12259	3.38327	5.0	58209.49843	108 108	219 219	0.4973 0.4975	20180401115742-07	short
SkyMapper_i_20180401115808-07_156.123+3.383_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115808-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115808-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115808-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115808-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12262	3.38319	10.0	58209.49873	108 108	219 219	0.4973 0.4975	20180401115808-07	short
SkyMapper_z_20180401115838-07_156.123+3.383_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115838-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115838-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115838-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180401115838-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12252	3.38320	20.0	58209.49906	108 108	219 219	0.4973 0.4975	20180401115838-07	short
SkyMapper_u_20180403115024-07_156.123+3.383_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115024-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115024-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115024-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115024-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12260	3.38329	40.0	58211.49336	108 108	219 219	0.4971 0.4973	20180403115024-07	short
SkyMapper_v_20180403115126-07_156.123+3.383_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115126-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115126-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115126-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115126-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12254	3.38324	20.0	58211.49407	108 108	219 219	0.4972 0.4974	20180403115126-07	short
SkyMapper_g_20180403115206-07_156.123+3.383_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115206-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115206-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115206-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115206-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12251	3.38331	5.0	58211.49453	108 108	219 219	0.4973 0.4975	20180403115206-07	short
SkyMapper_r_20180403115232-07_156.123+3.383_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115232-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115232-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115232-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115232-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12260	3.38324	5.0	58211.49483	108 108	219 219	0.4972 0.4974	20180403115232-07	short
SkyMapper_i_20180403115258-07_156.123+3.383_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115258-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115258-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115258-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115258-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12263	3.38322	10.0	58211.49513	108 108	219 219	0.4973 0.4975	20180403115258-07	short
SkyMapper_z_20180403115329-07_156.123+3.383_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115329-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115329-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115329-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180403115329-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12258	3.38320	20.0	58211.49550	108 108	219 219	0.4973 0.4975	20180403115329-07	short
SkyMapper_u_20180404114414-07_156.123+3.383_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114414-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114414-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114414-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114414-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12256	3.38330	40.0	58212.48906	108 108	219 219	0.4971 0.4973	20180404114414-07	short
SkyMapper_v_20180404114513-07_156.123+3.383_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114513-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114513-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114513-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114513-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12252	3.38331	20.0	58212.48976	108 108	219 219	0.4972 0.4973	20180404114513-07	short
SkyMapper_g_20180404114554-07_156.123+3.383_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114554-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114554-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114554-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114554-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12260	3.38325	5.0	58212.49023	108 108	219 219	0.4973 0.4975	20180404114554-07	short
SkyMapper_r_20180404114619-07_156.123+3.383_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114619-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114619-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114619-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114619-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12256	3.38328	5.0	58212.49051	108 108	219 219	0.4973 0.4974	20180404114619-07	short
SkyMapper_i_20180404114644-07_156.123+3.383_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114644-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114644-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114644-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114644-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12261	3.38329	10.0	58212.49081	108 108	219 219	0.4974 0.4975	20180404114644-07	short
SkyMapper_z_20180404114717-07_156.123+3.383_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114717-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114717-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114717-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404114717-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12262	3.38319	20.0	58212.49118	108 108	219 219	0.4973 0.4975	20180404114717-07	short
SkyMapper_i_20190117172405-07_156.122+3.383_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172405-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172405-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172405-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172405-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12250	3.38321	100.0	58500.72508	108 108	219 219	0.4974 0.4976	20190117172405-07	main
SkyMapper_i_20190117172606-07_156.127+3.383_75x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172606-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172606-07&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172606-07&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190117172606-07&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12724	3.38324	100.0	58500.72647	75 109	151 219	0.4974 0.4976	20190117172606-07	main
SkyMapper_u_20210402120720-24_156.123+3.383_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120720-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120720-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120720-24&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120720-24&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12257	3.38316	40.0	59306.50512	108 108	219 219	0.4963 0.4961	20210402120720-24	short
SkyMapper_v_20210402120822-24_156.123+3.383_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120822-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120822-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120822-24&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120822-24&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12260	3.38325	20.0	59306.50584	108 108	219 219	0.4963 0.4960	20210402120822-24	short
SkyMapper_g_20210402120903-24_156.123+3.383_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120903-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120903-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120903-24&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120903-24&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12263	3.38319	5.0	59306.50632	108 108	219 219	0.4963 0.4961	20210402120903-24	short
SkyMapper_r_20210402120931-24_156.123+3.383_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120931-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120931-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120931-24&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120931-24&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12260	3.38320	5.0	59306.50664	108 108	219 219	0.4963 0.4961	20210402120931-24	short
SkyMapper_i_20210402120957-24_156.123+3.383_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120957-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120957-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120957-24&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402120957-24&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12258	3.38320	10.0	59306.50694	108 108	219 219	0.4964 0.4961	20210402120957-24	short
SkyMapper_z_20210402121029-24_156.123+3.383_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121029-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121029-24&format=png&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121029-24&format=fits&pos=156.122555968,3.38326086778&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402121029-24&format=mask&pos=156.122555968,3.38326086778&size=0.03,0.03	156.12267	3.38322	20.0	59306.50731	108 108	219 219	0.4963 0.4961	20210402121029-24	short