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_20200717153312-19_311.481+13.486_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153312-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153312-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153312-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153312-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48060	13.48626	40.0	59047.64808	108 108	219 219	0.4959 0.4969	20200717153312-19	short
SkyMapper_v_20200717153415-19_311.481+13.486_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153415-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153415-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153415-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153415-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48053	13.48626	20.0	59047.64880	108 108	219 219	0.4958 0.4969	20200717153415-19	short
SkyMapper_g_20200717153454-19_311.481+13.486_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153454-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153454-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153454-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153454-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48057	13.48621	5.0	59047.64926	108 108	219 219	0.4958 0.4971	20200717153454-19	short
SkyMapper_r_20200717153520-19_311.481+13.486_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153520-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153520-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153520-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153520-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48055	13.48625	5.0	59047.64955	108 108	219 219	0.4958 0.4970	20200717153520-19	short
SkyMapper_i_20200717153546-19_311.481+13.486_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153546-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153546-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153546-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153546-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48053	13.48630	10.0	59047.64986	108 108	219 219	0.4959 0.4971	20200717153546-19	short
SkyMapper_z_20200717153616-19_311.481+13.486_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153616-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153616-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153616-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200717153616-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48051	13.48624	20.0	59047.65021	108 108	219 219	0.4958 0.4970	20200717153616-19	short
SkyMapper_i_20200724150237-30_311.481+13.486_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724150237-30&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724150237-30&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724150237-30&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200724150237-30&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48060	13.48625	100.0	59054.62683	108 108	219 219	0.4955 0.4959	20200724150237-30	main
SkyMapper_i_20200813134958-19_311.481+13.486_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813134958-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813134958-19&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813134958-19&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200813134958-19&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48056	13.48620	100.0	59074.57638	108 108	219 219	0.4959 0.4971	20200813134958-19	main
SkyMapper_i_20200828125218-08_311.485+13.486_79x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125218-08&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125218-08&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125218-08&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125218-08&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48478	13.48627	10.0	59089.53634	79 108	160 219	0.4969 0.4963	20200828125218-08	short
SkyMapper_z_20200828125248-08_311.485+13.486_79x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125248-08&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125248-08&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125248-08&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200828125248-08&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48471	13.48619	20.0	59089.53670	79 108	160 219	0.4968 0.4963	20200828125248-08	short
SkyMapper_r_20200905121445-03_311.476+13.486_80x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121445-03&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121445-03&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121445-03&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121445-03&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.47631	13.48624	5.0	59097.51025	80 108	162 219	0.4975 0.4976	20200905121445-03	short
SkyMapper_i_20200905121510-03_311.476+13.486_81x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121510-03&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121510-03&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121510-03&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121510-03&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.47639	13.48625	10.0	59097.51054	81 108	163 218	0.4976 0.4977	20200905121510-03	short
SkyMapper_z_20200905121540-03_311.476+13.486_80x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121540-03&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121540-03&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121540-03&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200905121540-03&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.47624	13.48621	20.0	59097.51089	80 108	161 219	0.4976 0.4976	20200905121540-03	short
SkyMapper_v_20210528184843-29_311.480+13.482_108x77	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184843-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184843-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184843-29&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184843-29&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48048	13.48193	20.0	59362.78386	108 77	219 157	0.4958 0.4970	20210528184843-29	short
SkyMapper_g_20210528184925-29_311.481+13.482_108x77	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184925-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184925-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184925-29&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184925-29&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48051	13.48198	5.0	59362.78434	108 77	219 157	0.4959 0.4971	20210528184925-29	short
SkyMapper_r_20210528184951-29_311.480+13.482_108x78	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184951-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184951-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184951-29&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528184951-29&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48049	13.48199	5.0	59362.78466	108 78	219 158	0.4959 0.4971	20210528184951-29	short
SkyMapper_i_20210528185018-29_311.481+13.482_108x77	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185018-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185018-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185018-29&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185018-29&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48050	13.48203	10.0	59362.78496	108 77	219 157	0.4959 0.4971	20210528185018-29	short
SkyMapper_z_20210528185050-29_311.480+13.482_108x78	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185050-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185050-29&format=png&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185050-29&format=fits&pos=311.4805039,13.486264&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210528185050-29&format=mask&pos=311.4805039,13.486264&size=0.03,0.03	311.48049	13.48212	20.0	59362.78534	108 78	219 159	0.4959 0.4971	20210528185050-29	short