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_20180806145323-23_322.075+3.714_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145323-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145323-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145323-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145323-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07532	3.71443	40.0	58336.62043	108 108	219 219	0.4967 0.4972	20180806145323-23	short
SkyMapper_v_20180806145424-23_322.075+3.714_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145424-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145424-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145424-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145424-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07523	3.71445	20.0	58336.62112	108 108	219 219	0.4967 0.4972	20180806145424-23	short
SkyMapper_g_20180806145505-23_322.075+3.714_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145505-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145505-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145505-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145505-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07522	3.71444	5.0	58336.62160	108 108	219 219	0.4967 0.4973	20180806145505-23	short
SkyMapper_r_20180806145530-23_322.075+3.714_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145530-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145530-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145530-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145530-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07531	3.71448	5.0	58336.62190	108 108	219 219	0.4967 0.4973	20180806145530-23	short
SkyMapper_i_20180806145557-23_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145557-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145557-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145557-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145557-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07530	3.71439	10.0	58336.62221	108 108	219 219	0.4968 0.4974	20180806145557-23	short
SkyMapper_z_20180806145630-23_322.075+3.714_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145630-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145630-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145630-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806145630-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07526	3.71439	20.0	58336.62259	108 108	219 219	0.4967 0.4973	20180806145630-23	short
SkyMapper_u_20180808144700-23_322.075+3.714_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144700-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144700-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144700-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144700-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07527	3.71449	40.0	58338.61600	108 108	219 219	0.4967 0.4972	20180808144700-23	short
SkyMapper_v_20180808144801-23_322.075+3.714_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144801-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144801-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144801-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144801-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07521	3.71446	20.0	58338.61669	108 108	219 219	0.4967 0.4972	20180808144801-23	short
SkyMapper_g_20180808144842-23_322.075+3.714_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144842-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144842-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144842-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144842-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07531	3.71440	5.0	58338.61716	108 108	219 219	0.4967 0.4973	20180808144842-23	short
SkyMapper_r_20180808144907-23_322.075+3.714_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144907-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144907-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144907-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144907-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07531	3.71442	5.0	58338.61747	108 108	219 219	0.4967 0.4973	20180808144907-23	short
SkyMapper_i_20180808144936-23_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144936-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144936-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144936-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808144936-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07528	3.71446	10.0	58338.61780	108 108	219 219	0.4968 0.4974	20180808144936-23	short
SkyMapper_z_20180808145008-23_322.075+3.714_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808145008-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808145008-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808145008-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180808145008-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07524	3.71439	20.0	58338.61816	108 108	219 219	0.4967 0.4973	20180808145008-23	short
SkyMapper_r_20180811143751-23_322.075+3.714_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143751-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143751-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143751-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180811143751-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07520	3.71443	5.0	58341.60962	108 108	219 219	0.4967 0.4973	20180811143751-23	short
SkyMapper_g_20180816141441-08_322.075+3.714_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141441-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07526	3.71440	5.0	58346.59354	108 108	219 219	0.4969 0.4962	20180816141441-08	short
SkyMapper_r_20180816141507-08_322.075+3.714_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141507-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07525	3.71436	5.0	58346.59385	108 108	219 219	0.4969 0.4962	20180816141507-08	short
SkyMapper_i_20180816141532-08_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141532-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07521	3.71445	10.0	58346.59414	108 108	219 219	0.4969 0.4963	20180816141532-08	short
SkyMapper_z_20180816141603-08_322.075+3.714_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180816141603-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07528	3.71445	20.0	58346.59450	108 108	219 219	0.4968 0.4962	20180816141603-08	short
SkyMapper_g_20180819140251-08_322.075+3.714_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140251-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07523	3.71440	5.0	58349.58534	108 108	219 219	0.4969 0.4963	20180819140251-08	short
SkyMapper_i_20180819140347-08_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140347-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07523	3.71443	10.0	58349.58597	108 108	219 219	0.4969 0.4963	20180819140347-08	short
SkyMapper_z_20180819140418-08_322.075+3.714_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819140418-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07519	3.71444	20.0	58349.58634	108 108	219 219	0.4969 0.4962	20180819140418-08	short
SkyMapper_i_20180926130303-23_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130303-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130303-23&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130303-23&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130303-23&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07518	3.71444	100.0	58387.54380	108 108	219 219	0.4968 0.4973	20180926130303-23	main
SkyMapper_i_20180926130503-19_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130503-19&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130503-19&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130503-19&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926130503-19&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07528	3.71439	100.0	58387.54520	108 108	219 219	0.4959 0.4970	20180926130503-19	main
SkyMapper_z_20200616181519-08_322.075+3.714_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200616181519-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07524	3.71437	20.0	59016.76066	108 108	219 219	0.4969 0.4962	20200616181519-08	short
SkyMapper_g_20200821135010-08_322.075+3.714_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135010-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07526	3.71445	5.0	59082.57653	108 108	219 219	0.4969 0.4963	20200821135010-08	short
SkyMapper_r_20200821135036-08_322.075+3.714_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135036-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07530	3.71444	5.0	59082.57683	108 108	219 219	0.4968 0.4963	20200821135036-08	short
SkyMapper_i_20200821135105-08_322.075+3.714_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135105-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07522	3.71442	10.0	59082.57715	108 108	219 219	0.4969 0.4963	20200821135105-08	short
SkyMapper_z_20200821135134-08_322.075+3.714_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135134-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135134-08&format=png&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135134-08&format=fits&pos=322.075219845,3.71444354956&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821135134-08&format=mask&pos=322.075219845,3.71444354956&size=0.03,0.03	322.07527	3.71443	20.0	59082.57751	108 108	219 219	0.4968 0.4962	20200821135134-08	short