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_20180430093042-25_143.656+2.927_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093042-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093042-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093042-25&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093042-25&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65554	2.92713	40.0	58238.39634	108 108	219 219	0.4966 0.4972	20180430093042-25	short
SkyMapper_v_20180430093143-25_143.656+2.927_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093143-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093143-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093143-25&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093143-25&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65551	2.92714	20.0	58238.39705	108 108	219 219	0.4966 0.4971	20180430093143-25	short
SkyMapper_g_20180430093225-25_143.656+2.927_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093225-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093225-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093225-25&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093225-25&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65554	2.92715	5.0	58238.39752	108 108	219 219	0.4967 0.4973	20180430093225-25	short
SkyMapper_r_20180430093250-25_143.656+2.927_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093250-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093250-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093250-25&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093250-25&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65552	2.92718	5.0	58238.39781	108 108	219 219	0.4967 0.4972	20180430093250-25	short
SkyMapper_i_20180430093315-25_143.656+2.927_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093315-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093315-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093315-25&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093315-25&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65557	2.92710	10.0	58238.39810	108 108	219 219	0.4968 0.4973	20180430093315-25	short
SkyMapper_z_20180430093345-25_143.656+2.927_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093345-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093345-25&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093345-25&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180430093345-25&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65562	2.92714	20.0	58238.39845	108 108	219 219	0.4967 0.4973	20180430093345-25	short
SkyMapper_z_20200203151027-13_143.655+2.934_108x59	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200203151027-13&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200203151027-13&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200203151027-13&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200203151027-13&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65545	2.93423	20.0	58882.63228	108 59	219 119	0.4976 0.4976	20200203151027-13	short
SkyMapper_u_20200217151202-10_143.656+2.927_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151202-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151202-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151202-10&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151202-10&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65554	2.92704	40.0	58896.63338	108 108	219 219	0.4968 0.4962	20200217151202-10	short
SkyMapper_v_20200217151303-10_143.655+2.927_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151303-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151303-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151303-10&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151303-10&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65549	2.92708	20.0	58896.63409	108 108	219 219	0.4968 0.4962	20200217151303-10	short
SkyMapper_g_20200217151343-10_143.656+2.927_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151343-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151343-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151343-10&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151343-10&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65552	2.92704	5.0	58896.63455	108 108	219 219	0.4969 0.4962	20200217151343-10	short
SkyMapper_r_20200217151410-10_143.656+2.927_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151410-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151410-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151410-10&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151410-10&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65552	2.92707	5.0	58896.63485	108 108	219 219	0.4968 0.4962	20200217151410-10	short
SkyMapper_i_20200217151435-10_143.656+2.927_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151435-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151435-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151435-10&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151435-10&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65551	2.92713	10.0	58896.63515	108 108	219 219	0.4969 0.4963	20200217151435-10	short
SkyMapper_z_20200217151506-10_143.655+2.927_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151506-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151506-10&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151506-10&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200217151506-10&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65550	2.92709	20.0	58896.63552	108 108	219 219	0.4969 0.4963	20200217151506-10	short
SkyMapper_u_20200227141026-09_143.656+2.927_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141026-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141026-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141026-09&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141026-09&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65560	2.92713	40.0	58906.59060	108 108	219 219	0.4972 0.4974	20200227141026-09	short
SkyMapper_v_20200227141127-09_143.656+2.927_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141127-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141127-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141127-09&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141127-09&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65558	2.92712	20.0	58906.59131	108 108	219 219	0.4972 0.4974	20200227141127-09	short
SkyMapper_g_20200227141207-09_143.655+2.927_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141207-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141207-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141207-09&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141207-09&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65548	2.92706	5.0	58906.59176	108 108	219 219	0.4973 0.4975	20200227141207-09	short
SkyMapper_r_20200227141231-09_143.655+2.927_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141231-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141231-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141231-09&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141231-09&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65547	2.92713	5.0	58906.59206	108 108	219 219	0.4972 0.4974	20200227141231-09	short
SkyMapper_i_20200227141257-09_143.656+2.927_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141257-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141257-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141257-09&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141257-09&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65556	2.92718	10.0	58906.59235	108 108	219 219	0.4973 0.4976	20200227141257-09	short
SkyMapper_z_20200227141327-09_143.656+2.927_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141327-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141327-09&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141327-09&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200227141327-09&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65558	2.92718	20.0	58906.59270	108 108	219 219	0.4973 0.4975	20200227141327-09	short
SkyMapper_u_20210401111747-26_143.656+2.930_108x91	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111747-26&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111747-26&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111747-26&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111747-26&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65561	2.92963	40.0	59305.47071	108 91	219 184	0.4962 0.4960	20210401111747-26	short
SkyMapper_v_20210401111848-26_143.656+2.930_108x91	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111848-26&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111848-26&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111848-26&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111848-26&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65552	2.92957	20.0	59305.47142	108 91	219 184	0.4962 0.4960	20210401111848-26	short
SkyMapper_g_20210401111929-26_143.656+2.930_108x91	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111929-26&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111929-26&format=png&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111929-26&format=fits&pos=143.655518183,2.92713151771&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401111929-26&format=mask&pos=143.655518183,2.92713151771&size=0.03,0.03	143.65556	2.92952	5.0	59305.47190	108 91	219 185	0.4963 0.4961	20210401111929-26	short
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