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_20180807181937-14_13.638+5.228_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807181937-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807181937-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807181937-14&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807181937-14&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63777	5.22826	40.0	58337.76363	108 108	219 219	0.4971 0.4963	20180807181937-14	short
SkyMapper_v_20180807182038-14_13.638+5.228_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182038-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182038-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182038-14&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182038-14&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63766	5.22833	20.0	58337.76434	108 108	219 219	0.4971 0.4963	20180807182038-14	short
SkyMapper_g_20180807182118-14_13.638+5.228_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182118-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182118-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182118-14&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182118-14&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63767	5.22834	5.0	58337.76481	108 108	219 219	0.4972 0.4964	20180807182118-14	short
SkyMapper_r_20180807182144-14_13.638+5.228_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182144-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182144-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182144-14&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182144-14&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63777	5.22831	5.0	58337.76510	108 108	219 219	0.4972 0.4964	20180807182144-14	short
SkyMapper_i_20180807182210-14_13.638+5.228_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182210-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182210-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182210-14&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182210-14&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63774	5.22833	10.0	58337.76541	108 108	219 219	0.4972 0.4964	20180807182210-14	short
SkyMapper_z_20180807182240-14_13.638+5.228_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182240-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182240-14&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182240-14&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807182240-14&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63770	5.22836	20.0	58337.76576	108 108	219 219	0.4972 0.4964	20180807182240-14	short
SkyMapper_i_20180819172603-29_13.638+5.228_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172603-29&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172603-29&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172603-29&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172603-29&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63769	5.22832	10.0	58349.72644	108 108	219 219	0.4960 0.4971	20180819172603-29	short
SkyMapper_z_20180819172634-29_13.638+5.228_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172634-29&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172634-29&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172634-29&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180819172634-29&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63782	5.22826	20.0	58349.72681	108 108	219 219	0.4958 0.4970	20180819172634-29	short
SkyMapper_u_20180823170957-25_13.638+5.228_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823170957-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823170957-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823170957-25&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823170957-25&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63768	5.22830	40.0	58353.71527	108 108	219 219	0.4967 0.4972	20180823170957-25	short
SkyMapper_v_20180823171057-25_13.638+5.228_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171057-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171057-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171057-25&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171057-25&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63777	5.22838	20.0	58353.71596	108 108	219 219	0.4967 0.4972	20180823171057-25	short
SkyMapper_g_20180823171137-25_13.638+5.228_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171137-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171137-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171137-25&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171137-25&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63779	5.22835	5.0	58353.71642	108 108	219 219	0.4967 0.4973	20180823171137-25	short
SkyMapper_r_20180823171204-25_13.638+5.228_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171204-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171204-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171204-25&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171204-25&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63772	5.22839	5.0	58353.71674	108 108	219 219	0.4967 0.4973	20180823171204-25	short
SkyMapper_i_20180823171230-25_13.638+5.228_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171230-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171230-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171230-25&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171230-25&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63774	5.22829	10.0	58353.71703	108 108	219 219	0.4968 0.4974	20180823171230-25	short
SkyMapper_z_20180823171301-25_13.638+5.228_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171301-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171301-25&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171301-25&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180823171301-25&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63769	5.22836	20.0	58353.71738	108 108	219 219	0.4967 0.4973	20180823171301-25	short
SkyMapper_i_20180920152315-10_13.638+5.228_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152315-10&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152315-10&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152315-10&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152315-10&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63768	5.22837	100.0	58381.64116	108 108	219 219	0.4969 0.4963	20180920152315-10	main
SkyMapper_i_20180920152516-09_13.638+5.229_108x104	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152516-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152516-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152516-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920152516-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63776	5.22912	100.0	58381.64256	108 104	219 210	0.4974 0.4976	20180920152516-09	main
SkyMapper_u_20200724191016-09_13.638+5.228_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191016-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191016-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191016-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191016-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63765	5.22830	40.0	59054.79881	108 108	219 219	0.4972 0.4974	20200724191016-09	short
SkyMapper_v_20200724191116-09_13.638+5.228_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191116-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191116-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191116-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191116-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63769	5.22832	20.0	59054.79951	108 108	219 219	0.4973 0.4974	20200724191116-09	short
SkyMapper_g_20200724191156-09_13.638+5.228_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191156-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191156-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191156-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191156-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63773	5.22837	5.0	59054.79998	108 108	219 219	0.4973 0.4975	20200724191156-09	short
SkyMapper_r_20200724191226-09_13.638+5.228_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191226-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191226-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191226-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191226-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63771	5.22838	5.0	59054.80031	108 108	219 219	0.4973 0.4975	20200724191226-09	short
SkyMapper_i_20200724191252-09_13.638+5.228_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191252-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191252-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191252-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191252-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63776	5.22835	10.0	59054.80061	108 108	219 219	0.4974 0.4976	20200724191252-09	short
SkyMapper_z_20200724191322-09_13.638+5.228_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191322-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191322-09&format=png&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191322-09&format=fits&pos=13.637697201,5.22834197601&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724191322-09&format=mask&pos=13.637697201,5.22834197601&size=0.03,0.03	13.63777	5.22840	20.0	59054.80097	108 108	219 219	0.4973 0.4975	20200724191322-09	short