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_20180730115232-32_269.103+6.474_108x80	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115232-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115232-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115232-32&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115232-32&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10329	6.47378	40.0	58329.49483	108 80	219 162	0.4971 0.4963	20180730115232-32	short
SkyMapper_v_20180730115332-32_269.103+6.474_108x80	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115332-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115332-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115332-32&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115332-32&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10335	6.47374	20.0	58329.49554	108 80	219 163	0.4971 0.4963	20180730115332-32	short
SkyMapper_g_20180730115414-32_269.103+6.474_108x81	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115414-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115414-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115414-32&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115414-32&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10327	6.47373	5.0	58329.49602	108 81	219 163	0.4972 0.4964	20180730115414-32	short
SkyMapper_r_20180730115440-32_269.103+6.474_108x81	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115440-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115440-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115440-32&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115440-32&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10337	6.47367	5.0	58329.49633	108 81	219 163	0.4972 0.4964	20180730115440-32	short
SkyMapper_i_20180730115507-32_269.103+6.474_108x82	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115507-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115507-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115507-32&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115507-32&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10332	6.47350	10.0	58329.49663	108 82	219 166	0.4972 0.4964	20180730115507-32	short
SkyMapper_z_20180730115538-32_269.103+6.474_108x82	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115538-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115538-32&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115538-32&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180730115538-32&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10340	6.47353	20.0	58329.49699	108 82	219 166	0.4972 0.4963	20180730115538-32	short
SkyMapper_u_20180806112502-31_269.106+6.470_88x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112502-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112502-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112502-31&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112502-31&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10617	6.46978	40.0	58336.47574	88 108	178 219	0.4974 0.4975	20180806112502-31	short
SkyMapper_v_20180806112603-31_269.106+6.470_89x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112603-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112603-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112603-31&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112603-31&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10608	6.46967	20.0	58336.47645	89 108	179 219	0.4975 0.4974	20180806112603-31	short
SkyMapper_g_20180806112643-31_269.106+6.470_89x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112643-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112643-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112643-31&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112643-31&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10611	6.46973	5.0	58336.47692	89 108	179 219	0.4976 0.4976	20180806112643-31	short
SkyMapper_r_20180806112711-31_269.106+6.470_89x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112711-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112711-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112711-31&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112711-31&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10603	6.46970	5.0	58336.47722	89 108	179 219	0.4975 0.4976	20180806112711-31	short
SkyMapper_i_20180806112738-31_269.106+6.470_89x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112738-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112738-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112738-31&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112738-31&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10615	6.46972	10.0	58336.47756	89 108	179 219	0.4976 0.4976	20180806112738-31	short
SkyMapper_z_20180806112809-31_269.106+6.470_89x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112809-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112809-31&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112809-31&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806112809-31&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10605	6.46978	20.0	58336.47789	89 108	179 219	0.4976 0.4976	20180806112809-31	short
SkyMapper_z_20180813110106-05_269.103+6.475_108x72	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813110106-05&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813110106-05&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813110106-05&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180813110106-05&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10327	6.47493	20.0	58343.45912	108 72	219 146	0.4966 0.4972	20180813110106-05	short
SkyMapper_z_20180824101734-02_269.100+6.470_85x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180824101734-02&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180824101734-02&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180824101734-02&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180824101734-02&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.09978	6.46971	20.0	58354.42889	85 108	172 219	0.4953 0.4956	20180824101734-02	short
SkyMapper_i_20180828095730-27_269.103+6.470_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180828095730-27&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180828095730-27&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180828095730-27&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180828095730-27&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10335	6.46978	100.0	58358.41495	108 108	219 219	0.4973 0.4975	20180828095730-27	main
SkyMapper_u_20200819103112-01_269.103+6.470_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103112-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103112-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103112-01&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103112-01&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10339	6.46977	40.0	59080.43836	108 108	219 219	0.4958 0.4968	20200819103112-01	short
SkyMapper_i_20200819103349-01_269.103+6.470_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103349-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103349-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103349-01&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103349-01&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10341	6.46969	10.0	59080.44017	108 108	219 219	0.4958 0.4970	20200819103349-01	short
SkyMapper_z_20200819103419-01_269.103+6.470_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103419-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103419-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103419-01&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200819103419-01&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.10341	6.46977	20.0	59080.44051	108 108	219 219	0.4957 0.4969	20200819103419-01	short
SkyMapper_i_20200824101634-01_269.100+6.470_83x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101634-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101634-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101634-01&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101634-01&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.09981	6.46973	10.0	59085.42819	83 108	169 219	0.4958 0.4970	20200824101634-01	short
SkyMapper_z_20200824101705-01_269.100+6.470_84x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101705-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101705-01&format=png&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101705-01&format=fits&pos=269.103312452,6.46973106251&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824101705-01&format=mask&pos=269.103312452,6.46973106251&size=0.03,0.03	269.09986	6.46975	20.0	59085.42855	84 108	170 219	0.4957 0.4969	20200824101705-01	short