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_20180812172126-06_3.905+7.187_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90457	7.18684	10.0	58342.72318	108 108	219 219	0.4963 0.4961	20180812172126-06	short
SkyMapper_z_20180812172157-06_3.905+7.187_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90454	7.18676	20.0	58342.72356	108 108	219 219	0.4962 0.4961	20180812172157-06	short
SkyMapper_u_20180820164249-21_3.904+7.187_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90446	7.18679	40.0	58350.69642	108 108	219 219	0.4972 0.4974	20180820164249-21	short
SkyMapper_v_20180820164349-21_3.905+7.187_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90455	7.18688	20.0	58350.69713	108 108	219 219	0.4972 0.4974	20180820164349-21	short
SkyMapper_g_20180820164430-21_3.905+7.187_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90454	7.18686	5.0	58350.69759	108 108	219 219	0.4973 0.4976	20180820164430-21	short
SkyMapper_r_20180820164456-21_3.904+7.187_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90444	7.18687	5.0	58350.69788	108 108	219 219	0.4973 0.4975	20180820164456-21	short
SkyMapper_i_20180820164522-21_3.905+7.187_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90457	7.18688	10.0	58350.69818	108 108	219 219	0.4974 0.4976	20180820164522-21	short
SkyMapper_z_20180820164553-21_3.904+7.187_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90447	7.18679	20.0	58350.69855	108 108	219 219	0.4973 0.4975	20180820164553-21	short
SkyMapper_u_20180823163742-21_3.904+7.187_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90449	7.18680	40.0	58353.69287	108 108	219 219	0.4972 0.4974	20180823163742-21	short
SkyMapper_v_20180823163843-21_3.904+7.187_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90448	7.18690	20.0	58353.69356	108 108	219 219	0.4972 0.4974	20180823163843-21	short
SkyMapper_g_20180823163923-21_3.904+7.187_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90449	7.18681	5.0	58353.69404	108 108	219 219	0.4973 0.4976	20180823163923-21	short
SkyMapper_r_20180823163948-21_3.904+7.187_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90449	7.18683	5.0	58353.69433	108 108	219 219	0.4973 0.4975	20180823163948-21	short
SkyMapper_i_20180823164014-21_3.904+7.187_108x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90444	7.18684	10.0	58353.69462	108 109	219 219	0.4974 0.4976	20180823164014-21	short
SkyMapper_z_20180823164045-21_3.905+7.187_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-21&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-21&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-21&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90454	7.18683	20.0	58353.69498	108 108	219 219	0.4973 0.4975	20180823164045-21	short
SkyMapper_i_20191215105119-06_3.904+7.187_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105119-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105119-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105119-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105119-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90448	7.18676	100.0	58832.45234	108 108	219 219	0.4963 0.4961	20191215105119-06	main
SkyMapper_i_20191215105319-02_3.905+7.187_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-02&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-02&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-02&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-02&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90453	7.18674	100.0	58832.45372	108 108	219 219	0.4954 0.4958	20191215105319-02	main
SkyMapper_u_20200731180800-06_3.904+7.187_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90447	7.18682	40.0	59061.75558	108 108	219 219	0.4962 0.4960	20200731180800-06	short
SkyMapper_v_20200731180900-06_3.905+7.187_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90458	7.18683	20.0	59061.75627	108 108	219 219	0.4962 0.4960	20200731180900-06	short
SkyMapper_g_20200731180940-06_3.905+7.187_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90454	7.18673	5.0	59061.75676	108 108	219 219	0.4963 0.4961	20200731180940-06	short
SkyMapper_r_20200731181006-06_3.905+7.187_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90450	7.18673	5.0	59061.75704	108 108	219 219	0.4962 0.4961	20200731181006-06	short
SkyMapper_i_20200731181031-06_3.905+7.187_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90459	7.18678	10.0	59061.75731	108 108	219 219	0.4963 0.4962	20200731181031-06	short
SkyMapper_z_20200731181103-06_3.905+7.187_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-06&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-06&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-06&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.90455	7.18680	20.0	59061.75770	108 108	219 219	0.4962 0.4961	20200731181103-06	short
SkyMapper_u_20200831160156-17_3.900+7.187_75x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160156-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160156-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160156-17&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160156-17&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.89962	7.18683	40.0	59092.66802	75 108	151 219	0.4975 0.4975	20200831160156-17	short
SkyMapper_v_20200831160256-17_3.900+7.187_74x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160256-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160256-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160256-17&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160256-17&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.89957	7.18691	20.0	59092.66873	74 108	150 219	0.4975 0.4975	20200831160256-17	short
SkyMapper_g_20200831160336-17_3.900+7.187_75x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160336-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160336-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160336-17&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160336-17&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.89964	7.18679	5.0	59092.66919	75 108	152 219	0.4976 0.4977	20200831160336-17	short
SkyMapper_r_20200831160401-17_3.900+7.187_75x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160401-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160401-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160401-17&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160401-17&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.89959	7.18689	5.0	59092.66948	75 108	151 219	0.4976 0.4977	20200831160401-17	short
SkyMapper_i_20200831160426-17_3.900+7.187_75x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160426-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160426-17&format=png&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160426-17&format=fits&pos=3.9044889,7.1868432&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200831160426-17&format=mask&pos=3.9044889,7.1868432&size=0.03,0.03	3.89977	7.18683	10.0	59092.66976	75 109	152 219	0.4977 0.4977	20200831160426-17	short