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_20210208163909-27_171.263+15.501_108x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208163909-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208163909-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208163909-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208163909-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26340	15.50110	100.0	59253.69383	108 109	219 219	0.4974 0.4977	20210208163909-27	main
SkyMapper_z_20210208164110-27_171.263+15.501_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208164110-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208164110-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208164110-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208164110-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26333	15.50110	100.0	59253.69528	108 108	219 219	0.4973 0.4976	20210208164110-27	main
SkyMapper_g_20210217160611-27_171.257+15.501_65x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160611-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160611-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160611-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160611-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.25691	15.50111	5.0	59262.67099	65 108	131 219	0.4974 0.4977	20210217160611-27	short
SkyMapper_z_20210217160736-27_171.257+15.501_64x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160736-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160736-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160736-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210217160736-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.25683	15.50101	20.0	59262.67198	64 108	129 219	0.4973 0.4976	20210217160736-27	short
SkyMapper_u_20210401131520-27_171.263+15.501_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131520-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131520-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131520-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131520-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26339	15.50103	40.0	59305.55235	108 108	219 219	0.4972 0.4974	20210401131520-27	short
SkyMapper_v_20210401131622-27_171.263+15.501_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131622-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131622-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131622-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131622-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26331	15.50108	20.0	59305.55307	108 108	219 219	0.4972 0.4974	20210401131622-27	short
SkyMapper_g_20210401131704-27_171.263+15.501_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131704-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131704-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131704-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131704-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26337	15.50098	5.0	59305.55355	108 108	219 219	0.4973 0.4976	20210401131704-27	short
SkyMapper_r_20210401131734-27_171.263+15.501_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131734-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131734-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131734-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131734-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26331	15.50108	5.0	59305.55390	108 108	219 219	0.4973 0.4976	20210401131734-27	short
SkyMapper_i_20210401131801-27_171.263+15.501_108x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131801-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131801-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131801-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131801-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26333	15.50111	10.0	59305.55420	108 109	219 219	0.4974 0.4976	20210401131801-27	short
SkyMapper_z_20210401131832-27_171.263+15.501_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131832-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131832-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131832-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401131832-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26332	15.50098	20.0	59305.55457	108 108	219 219	0.4973 0.4976	20210401131832-27	short
SkyMapper_u_20210402131014-27_171.263+15.501_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131014-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131014-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131014-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131014-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26330	15.50108	40.0	59306.54880	108 108	219 219	0.4972 0.4974	20210402131014-27	short
SkyMapper_v_20210402131116-27_171.263+15.501_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131116-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131116-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131116-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131116-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26332	15.50099	20.0	59306.54952	108 108	219 219	0.4972 0.4974	20210402131116-27	short
SkyMapper_g_20210402131157-27_171.263+15.501_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131157-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131157-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131157-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131157-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26343	15.50108	5.0	59306.55000	108 108	219 219	0.4973 0.4976	20210402131157-27	short
SkyMapper_r_20210402131225-27_171.263+15.501_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131225-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131225-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131225-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131225-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26329	15.50111	5.0	59306.55032	108 108	219 219	0.4973 0.4975	20210402131225-27	short
SkyMapper_i_20210402131250-27_171.263+15.501_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131250-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131250-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131250-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131250-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26330	15.50111	10.0	59306.55061	108 108	219 219	0.4974 0.4976	20210402131250-27	short
SkyMapper_z_20210402131322-27_171.263+15.501_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131322-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131322-27&format=png&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131322-27&format=fits&pos=171.263347726,15.501051664&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210402131322-27&format=mask&pos=171.263347726,15.501051664&size=0.03,0.03	171.26336	15.50108	20.0	59306.55098	108 108	219 219	0.4973 0.4975	20210402131322-27	short