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_20181221175641-01_141.698+8.190_66x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175641-01&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175641-01&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175641-01&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181221175641-01&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.69845	8.18998	100.0	58473.74772	66 108	133 219	0.4959 0.4971	20181221175641-01	main
SkyMapper_i_20181222174957-01_141.705+8.190_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222174957-01&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222174957-01&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222174957-01&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222174957-01&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70460	8.18990	100.0	58474.74304	108 108	219 219	0.4959 0.4971	20181222174957-01	main
SkyMapper_i_20181222175158-19_141.705+8.190_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222175158-19&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222175158-19&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222175158-19&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181222175158-19&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70459	8.18992	100.0	58474.74444	108 108	219 219	0.4959 0.4971	20181222175158-19	main
SkyMapper_r_20190213142518-23_141.705+8.194_108x79	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142518-23&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142518-23&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142518-23&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142518-23&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70467	8.19418	5.0	58527.60094	108 79	219 160	0.4967 0.4973	20190213142518-23	short
SkyMapper_i_20190213142543-23_141.705+8.194_108x80	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142543-23&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142543-23&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142543-23&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142543-23&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70457	8.19408	10.0	58527.60122	108 80	219 162	0.4968 0.4973	20190213142543-23	short
SkyMapper_z_20190213142613-23_141.705+8.194_108x80	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142613-23&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142613-23&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142613-23&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190213142613-23&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70462	8.19410	20.0	58527.60156	108 80	219 161	0.4967 0.4973	20190213142613-23	short
SkyMapper_u_20190222144730-05_141.705+8.190_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144730-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144730-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144730-05&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144730-05&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70466	8.19001	40.0	58536.61634	108 108	219 219	0.4966 0.4972	20190222144730-05	short
SkyMapper_v_20190222144830-05_141.705+8.190_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144830-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144830-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144830-05&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144830-05&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70463	8.19002	20.0	58536.61704	108 108	219 219	0.4967 0.4972	20190222144830-05	short
SkyMapper_g_20190222144911-05_141.705+8.190_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144911-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144911-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144911-05&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144911-05&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70463	8.19004	5.0	58536.61750	108 108	219 219	0.4967 0.4973	20190222144911-05	short
SkyMapper_r_20190222144938-05_141.705+8.190_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144938-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144938-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144938-05&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222144938-05&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70460	8.18999	5.0	58536.61782	108 108	219 219	0.4967 0.4973	20190222144938-05	short
SkyMapper_i_20190222145004-05_141.705+8.190_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145004-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145004-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145004-05&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145004-05&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70466	8.19004	10.0	58536.61813	108 108	219 219	0.4968 0.4974	20190222145004-05	short
SkyMapper_z_20190222145035-05_141.705+8.190_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145035-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145035-05&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145035-05&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190222145035-05&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70469	8.19003	20.0	58536.61847	108 108	219 219	0.4967 0.4973	20190222145035-05	short
SkyMapper_i_20190330115931-10_141.705+8.195_108x71	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330115931-10&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330115931-10&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330115931-10&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330115931-10&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70464	8.19529	10.0	58572.49969	108 71	219 144	0.4969 0.4963	20190330115931-10	short
SkyMapper_z_20190330120000-10_141.705+8.195_108x70	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330120000-10&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330120000-10&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330120000-10&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190330120000-10&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70459	8.19529	20.0	58572.50002	108 70	219 143	0.4968 0.4962	20190330120000-10	short
SkyMapper_u_20200315121835-18_141.705+8.190_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121835-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121835-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121835-18&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121835-18&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70460	8.18987	40.0	58923.51293	108 108	219 219	0.4971 0.4963	20200315121835-18	short
SkyMapper_v_20200315121936-18_141.705+8.190_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121936-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121936-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121936-18&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315121936-18&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70462	8.18991	20.0	58923.51363	108 108	219 219	0.4971 0.4963	20200315121936-18	short
SkyMapper_g_20200315122017-18_141.705+8.190_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122017-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122017-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122017-18&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122017-18&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70457	8.18997	5.0	58923.51411	108 108	219 219	0.4972 0.4964	20200315122017-18	short
SkyMapper_r_20200315122050-18_141.705+8.190_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122050-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122050-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122050-18&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122050-18&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70459	8.18995	5.0	58923.51448	108 108	219 219	0.4971 0.4964	20200315122050-18	short
SkyMapper_i_20200315122116-18_141.705+8.190_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122116-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122116-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122116-18&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122116-18&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70467	8.18994	10.0	58923.51479	108 108	219 219	0.4972 0.4964	20200315122116-18	short
SkyMapper_z_20200315122146-18_141.705+8.190_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122146-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122146-18&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122146-18&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200315122146-18&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70466	8.18987	20.0	58923.51514	108 108	219 219	0.4972 0.4964	20200315122146-18	short
SkyMapper_u_20210409104414-06_141.705+8.190_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104414-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104414-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104414-06&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104414-06&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70459	8.18992	40.0	59313.44742	108 108	219 219	0.4962 0.4960	20210409104414-06	short
SkyMapper_v_20210409104516-06_141.705+8.190_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104516-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104516-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104516-06&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104516-06&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70463	8.18995	20.0	59313.44814	108 108	219 219	0.4961 0.4959	20210409104516-06	short
SkyMapper_g_20210409104558-06_141.705+8.190_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104558-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104558-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104558-06&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104558-06&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70468	8.18991	5.0	59313.44862	108 108	219 219	0.4962 0.4960	20210409104558-06	short
SkyMapper_r_20210409104628-06_141.705+8.190_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104628-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104628-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104628-06&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104628-06&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70464	8.18992	5.0	59313.44896	108 108	219 219	0.4962 0.4960	20210409104628-06	short
SkyMapper_i_20210409104701-06_141.705+8.190_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104701-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104701-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104701-06&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104701-06&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70469	8.18997	10.0	59313.44935	108 108	219 219	0.4963 0.4961	20210409104701-06	short
SkyMapper_z_20210409104732-06_141.705+8.190_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104732-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104732-06&format=png&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104732-06&format=fits&pos=141.704596939,8.18997828414&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210409104732-06&format=mask&pos=141.704596939,8.18997828414&size=0.03,0.03	141.70470	8.18988	20.0	59313.44971	108 108	219 219	0.4962 0.4960	20210409104732-06	short