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_r_20200720164206-04_331.658+12.286_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164206-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164206-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164206-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164206-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65813	12.28565	5.0	59050.69591	108 108	219 219	0.4972 0.4964	20200720164206-04	short
SkyMapper_i_20200720164231-04_331.658+12.286_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164231-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164231-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164231-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164231-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65814	12.28570	10.0	59050.69622	108 108	219 219	0.4972 0.4965	20200720164231-04	short
SkyMapper_z_20200720164302-04_331.658+12.286_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164302-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164302-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164302-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200720164302-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65814	12.28561	20.0	59050.69657	108 108	219 219	0.4972 0.4964	20200720164302-04	short
SkyMapper_r_20200730155934-03_331.658+12.286_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730155934-03&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730155934-03&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730155934-03&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730155934-03&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65803	12.28571	5.0	59060.66640	108 108	219 219	0.4976 0.4976	20200730155934-03	short
SkyMapper_i_20200730160004-03_331.658+12.286_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160004-03&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160004-03&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160004-03&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160004-03&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65802	12.28555	10.0	59060.66672	108 108	219 218	0.4977 0.4977	20200730160004-03	short
SkyMapper_z_20200730160034-03_331.658+12.286_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160034-03&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160034-03&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160034-03&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200730160034-03&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65806	12.28568	20.0	59060.66708	108 108	219 219	0.4976 0.4977	20200730160034-03	short
SkyMapper_i_20200821151030-19_331.658+12.278_108x56	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151030-19&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151030-19&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151030-19&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151030-19&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65807	12.27839	10.0	59082.63231	108 56	219 114	0.4959 0.4971	20200821151030-19	short
SkyMapper_z_20200821151102-19_331.658+12.278_108x55	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151102-19&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151102-19&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151102-19&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200821151102-19&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65808	12.27825	20.0	59082.63270	108 55	219 112	0.4958 0.4970	20200821151102-19	short
SkyMapper_i_20200829140814-04_331.658+12.286_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829140814-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829140814-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829140814-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200829140814-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65804	12.28563	100.0	59090.58907	108 108	219 219	0.4972 0.4965	20200829140814-04	main
SkyMapper_u_20201003113601-29_331.658+12.286_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113601-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113601-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113601-29&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113601-29&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65813	12.28567	40.0	59125.48337	108 108	219 219	0.4958 0.4969	20201003113601-29	short
SkyMapper_v_20201003113701-29_331.658+12.286_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113701-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113701-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113701-29&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113701-29&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65811	12.28571	20.0	59125.48406	108 108	219 219	0.4958 0.4969	20201003113701-29	short
SkyMapper_g_20201003113742-29_331.658+12.286_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113742-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113742-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113742-29&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113742-29&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65818	12.28565	5.0	59125.48454	108 108	219 219	0.4958 0.4971	20201003113742-29	short
SkyMapper_r_20201003113807-29_331.658+12.286_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113807-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113807-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113807-29&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113807-29&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65811	12.28567	5.0	59125.48483	108 108	219 219	0.4960 0.4971	20201003113807-29	short
SkyMapper_i_20201003113834-29_331.658+12.286_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113834-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113834-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113834-29&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113834-29&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65818	12.28570	10.0	59125.48514	108 108	219 219	0.4960 0.4971	20201003113834-29	short
SkyMapper_z_20201003113904-29_331.658+12.286_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113904-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113904-29&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113904-29&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201003113904-29&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65815	12.28567	20.0	59125.48547	108 108	219 219	0.4958 0.4970	20201003113904-29	short
SkyMapper_u_20201004113534-30_331.658+12.286_109x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113534-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113534-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113534-30&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113534-30&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65804	12.28562	40.0	59126.48306	109 108	220 219	0.4954 0.4958	20201004113534-30	short
SkyMapper_v_20201004113634-30_331.658+12.286_109x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113634-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113634-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113634-30&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113634-30&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65802	12.28568	20.0	59126.48375	109 108	220 219	0.4953 0.4957	20201004113634-30	short
SkyMapper_g_20201004113714-30_331.658+12.286_109x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113714-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113714-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113714-30&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113714-30&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65807	12.28558	5.0	59126.48420	109 108	220 219	0.4954 0.4958	20201004113714-30	short
SkyMapper_r_20201004113739-30_331.658+12.286_109x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113739-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113739-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113739-30&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113739-30&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65809	12.28565	5.0	59126.48449	109 108	220 219	0.4953 0.4958	20201004113739-30	short
SkyMapper_i_20201004113804-30_331.658+12.286_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113804-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113804-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113804-30&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113804-30&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65809	12.28568	10.0	59126.48478	108 108	219 219	0.4955 0.4959	20201004113804-30	short
SkyMapper_z_20201004113834-30_331.658+12.286_109x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113834-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113834-30&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113834-30&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201004113834-30&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65802	12.28564	20.0	59126.48513	109 108	220 219	0.4953 0.4958	20201004113834-30	short
SkyMapper_u_20210908131937-04_331.658+12.286_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908131937-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908131937-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908131937-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908131937-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65806	12.28570	40.0	59465.55533	108 108	219 219	0.4970 0.4964	20210908131937-04	short
SkyMapper_v_20210908132039-04_331.658+12.286_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132039-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132039-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132039-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132039-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65805	12.28571	20.0	59465.55604	108 108	219 219	0.4971 0.4963	20210908132039-04	short
SkyMapper_g_20210908132120-04_331.658+12.286_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132120-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132120-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132120-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132120-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65807	12.28570	5.0	59465.55652	108 108	219 219	0.4971 0.4964	20210908132120-04	short
SkyMapper_r_20210908132147-04_331.658+12.286_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132147-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132147-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132147-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132147-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65814	12.28564	5.0	59465.55683	108 108	219 219	0.4971 0.4964	20210908132147-04	short
SkyMapper_i_20210908132213-04_331.658+12.286_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132213-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132213-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132213-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132213-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65809	12.28560	10.0	59465.55713	108 108	219 219	0.4972 0.4965	20210908132213-04	short
SkyMapper_z_20210908132245-04_331.658+12.286_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132245-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132245-04&format=png&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132245-04&format=fits&pos=331.658062434,12.2856846323&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210908132245-04&format=mask&pos=331.658062434,12.2856846323&size=0.03,0.03	331.65812	12.28559	20.0	59465.55750	108 108	219 219	0.4971 0.4964	20210908132245-04	short