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_20180806173500-25_3.039+4.031_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173500-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173500-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173500-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173500-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03878	4.03084	40.0	58336.73266	108 108	219 219	0.4967 0.4972	20180806173500-25	short
SkyMapper_v_20180806173601-25_3.039+4.031_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173601-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173601-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173601-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173601-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03875	4.03090	20.0	58336.73337	108 108	219 219	0.4967 0.4972	20180806173601-25	short
SkyMapper_g_20180806173642-25_3.039+4.031_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173642-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173642-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173642-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173642-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03877	4.03091	5.0	58336.73384	108 108	219 219	0.4967 0.4973	20180806173642-25	short
SkyMapper_r_20180806173708-25_3.039+4.031_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173708-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173708-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173708-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173708-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03882	4.03088	5.0	58336.73413	108 108	219 219	0.4967 0.4973	20180806173708-25	short
SkyMapper_i_20180806173733-25_3.039+4.031_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173733-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173733-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173733-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173733-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03886	4.03091	10.0	58336.73443	108 108	219 219	0.4968 0.4974	20180806173733-25	short
SkyMapper_z_20180806173804-25_3.039+4.031_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173804-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173804-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173804-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180806173804-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03879	4.03081	20.0	58336.73478	108 108	219 219	0.4967 0.4974	20180806173804-25	short
SkyMapper_u_20180807173031-25_3.039+4.031_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173031-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173031-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173031-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173031-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03886	4.03092	40.0	58337.72954	108 108	219 219	0.4967 0.4972	20180807173031-25	short
SkyMapper_v_20180807173131-25_3.039+4.031_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173131-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173131-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173131-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173131-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03885	4.03088	20.0	58337.73024	108 108	219 219	0.4966 0.4972	20180807173131-25	short
SkyMapper_g_20180807173212-25_3.039+4.031_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173212-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173212-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173212-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173212-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03884	4.03081	5.0	58337.73071	108 108	219 219	0.4967 0.4973	20180807173212-25	short
SkyMapper_r_20180807173238-25_3.039+4.031_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173238-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173238-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173238-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173238-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03875	4.03082	5.0	58337.73102	108 108	219 219	0.4967 0.4973	20180807173238-25	short
SkyMapper_i_20180807173304-25_3.039+4.031_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173304-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173304-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173304-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173304-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03881	4.03092	10.0	58337.73131	108 108	219 219	0.4968 0.4974	20180807173304-25	short
SkyMapper_z_20180807173335-25_3.039+4.031_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173335-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173335-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173335-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180807173335-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03874	4.03086	20.0	58337.73168	108 108	219 219	0.4967 0.4973	20180807173335-25	short
SkyMapper_u_20180822163300-10_3.039+4.031_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163300-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163300-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163300-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163300-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03883	4.03081	40.0	58352.68961	108 108	219 219	0.4968 0.4962	20180822163300-10	short
SkyMapper_v_20180822163401-10_3.039+4.031_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163401-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163401-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163401-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163401-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03878	4.03085	20.0	58352.69031	108 108	219 219	0.4968 0.4962	20180822163401-10	short
SkyMapper_g_20180822163442-10_3.039+4.031_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163442-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163442-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163442-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163442-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03882	4.03086	5.0	58352.69079	108 108	219 219	0.4968 0.4963	20180822163442-10	short
SkyMapper_r_20180822163508-10_3.039+4.031_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163508-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163508-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163508-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163508-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03881	4.03081	5.0	58352.69108	108 108	219 219	0.4968 0.4962	20180822163508-10	short
SkyMapper_i_20180822163533-10_3.039+4.031_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163533-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163533-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163533-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163533-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03883	4.03078	10.0	58352.69137	108 108	219 219	0.4969 0.4964	20180822163533-10	short
SkyMapper_z_20180822163603-10_3.039+4.031_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163603-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163603-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163603-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180822163603-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03874	4.03086	20.0	58352.69171	108 108	219 219	0.4969 0.4962	20180822163603-10	short
SkyMapper_i_20180930140331-25_3.039+4.031_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930140331-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930140331-25&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930140331-25&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930140331-25&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03887	4.03085	100.0	58391.58580	108 108	219 219	0.4968 0.4974	20180930140331-25	main
SkyMapper_i_20180930150655-21_3.039+4.031_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930150655-21&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930150655-21&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930150655-21&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180930150655-21&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03873	4.03089	100.0	58391.62983	108 108	219 219	0.4974 0.4976	20180930150655-21	main
SkyMapper_i_20200824162645-10_3.039+4.031_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162645-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162645-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162645-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162645-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03883	4.03089	10.0	59085.68527	108 108	219 219	0.4969 0.4963	20200824162645-10	short
SkyMapper_z_20200824162717-10_3.039+4.031_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162717-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162717-10&format=png&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162717-10&format=fits&pos=3.03877416167,4.03087955675&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200824162717-10&format=mask&pos=3.03877416167,4.03087955675&size=0.03,0.03	3.03881	4.03089	20.0	59085.68565	108 108	219 219	0.4968 0.4962	20200824162717-10	short