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_20180812172126-10_4.161+7.121_108x64	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172126-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16128	7.12133	10.0	58342.72318	108 64	219 130	0.4969 0.4963	20180812172126-10	short
SkyMapper_z_20180812172157-10_4.161+7.121_108x63	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180812172157-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16133	7.12131	20.0	58342.72356	108 63	219 129	0.4968 0.4963	20180812172157-10	short
SkyMapper_u_20180820164249-25_4.161+7.115_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-25&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164249-25&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16129	7.11507	40.0	58350.69642	108 108	219 219	0.4966 0.4972	20180820164249-25	short
SkyMapper_v_20180820164349-25_4.161+7.115_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-25&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164349-25&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16124	7.11502	20.0	58350.69713	108 108	219 219	0.4966 0.4972	20180820164349-25	short
SkyMapper_g_20180820164430-25_4.161+7.115_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-25&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164430-25&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16129	7.11512	5.0	58350.69759	108 108	219 219	0.4967 0.4974	20180820164430-25	short
SkyMapper_r_20180820164456-25_4.161+7.115_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-25&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164456-25&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16132	7.11512	5.0	58350.69788	108 108	219 219	0.4967 0.4973	20180820164456-25	short
SkyMapper_i_20180820164522-25_4.161+7.115_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-25&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164522-25&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16122	7.11514	10.0	58350.69818	108 108	219 219	0.4968 0.4974	20180820164522-25	short
SkyMapper_z_20180820164553-25_4.161+7.115_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-25&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-25&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820164553-25&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16122	7.11504	20.0	58350.69855	108 108	219 219	0.4967 0.4973	20180820164553-25	short
SkyMapper_u_20180823163742-11_4.161+7.115_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-11&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163742-11&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16125	7.11514	40.0	58353.69287	108 108	219 219	0.4966 0.4972	20180823163742-11	short
SkyMapper_v_20180823163843-11_4.161+7.115_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-11&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163843-11&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16125	7.11509	20.0	58353.69356	108 108	219 219	0.4967 0.4972	20180823163843-11	short
SkyMapper_g_20180823163923-11_4.161+7.115_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-11&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163923-11&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16130	7.11512	5.0	58353.69404	108 108	219 219	0.4967 0.4973	20180823163923-11	short
SkyMapper_r_20180823163948-11_4.161+7.115_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-11&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823163948-11&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16130	7.11514	5.0	58353.69433	108 108	219 219	0.4967 0.4973	20180823163948-11	short
SkyMapper_i_20180823164014-11_4.161+7.115_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-11&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164014-11&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16131	7.11514	10.0	58353.69462	108 108	219 219	0.4968 0.4974	20180823164014-11	short
SkyMapper_z_20180823164045-11_4.161+7.115_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-11&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-11&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823164045-11&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16123	7.11514	20.0	58353.69498	108 108	219 219	0.4967 0.4973	20180823164045-11	short
SkyMapper_i_20191214112728-28_4.161+7.115_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191214112728-28&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191214112728-28&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191214112728-28&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191214112728-28&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16120	7.11499	100.0	58831.47744	108 108	219 219	0.4970 0.4964	20191214112728-28	main
SkyMapper_i_20191215105319-06_4.161+7.115_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-06&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-06&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-06&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191215105319-06&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16131	7.11505	100.0	58832.45372	108 108	219 219	0.4963 0.4961	20191215105319-06	main
SkyMapper_u_20200731180800-10_4.161+7.115_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180800-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16135	7.11502	40.0	59061.75558	108 108	219 219	0.4968 0.4962	20200731180800-10	short
SkyMapper_v_20200731180900-10_4.161+7.115_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180900-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16133	7.11503	20.0	59061.75627	108 108	219 219	0.4968 0.4962	20200731180900-10	short
SkyMapper_g_20200731180940-10_4.161+7.115_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731180940-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16133	7.11503	5.0	59061.75676	108 108	219 219	0.4969 0.4963	20200731180940-10	short
SkyMapper_r_20200731181006-10_4.161+7.115_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181006-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16127	7.11503	5.0	59061.75704	108 108	219 219	0.4968 0.4963	20200731181006-10	short
SkyMapper_i_20200731181031-10_4.161+7.115_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181031-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16127	7.11505	10.0	59061.75731	108 108	219 219	0.4969 0.4964	20200731181031-10	short
SkyMapper_z_20200731181103-10_4.161+7.115_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-10&format=png&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-10&format=fits&pos=4.16125333333,7.11508666667&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200731181103-10&format=mask&pos=4.16125333333,7.11508666667&size=0.03,0.03	4.16132	7.11508	20.0	59061.75770	108 108	219 219	0.4969 0.4963	20200731181103-10	short