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_20180323135526-30_165.772+6.496_109x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135526-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135526-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135526-30&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135526-30&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77181	6.49590	40.0	58200.58017	109 108	220 219	0.4954 0.4958	20180323135526-30	short
SkyMapper_v_20180323135627-30_165.772+6.496_109x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135627-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135627-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135627-30&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135627-30&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77188	6.49579	20.0	58200.58088	109 108	220 219	0.4953 0.4957	20180323135627-30	short
SkyMapper_g_20180323135707-30_165.772+6.496_109x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135707-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135707-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135707-30&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135707-30&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77182	6.49581	5.0	58200.58135	109 108	220 219	0.4954 0.4958	20180323135707-30	short
SkyMapper_r_20180323135735-30_165.772+6.496_109x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135735-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135735-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135735-30&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135735-30&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77186	6.49588	5.0	58200.58167	109 108	220 219	0.4954 0.4958	20180323135735-30	short
SkyMapper_i_20180323135800-30_165.772+6.496_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135800-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135800-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135800-30&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135800-30&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77193	6.49583	10.0	58200.58196	108 108	219 219	0.4954 0.4958	20180323135800-30	short
SkyMapper_z_20180323135830-30_165.772+6.496_109x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135830-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135830-30&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135830-30&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180323135830-30&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77181	6.49585	20.0	58200.58231	109 108	220 219	0.4953 0.4957	20180323135830-30	short
SkyMapper_u_20180404122134-26_165.772+6.496_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122134-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122134-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122134-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122134-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77195	6.49589	40.0	58212.51500	108 108	219 219	0.4962 0.4961	20180404122134-26	short
SkyMapper_v_20180404122234-26_165.772+6.496_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122234-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122234-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122234-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122234-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77187	6.49589	20.0	58212.51569	108 108	219 219	0.4962 0.4960	20180404122234-26	short
SkyMapper_g_20180404122315-26_165.772+6.496_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122315-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122315-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122315-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122315-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77188	6.49580	5.0	58212.51616	108 108	219 219	0.4963 0.4962	20180404122315-26	short
SkyMapper_r_20180404122342-26_165.772+6.496_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122342-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122342-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122342-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122342-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77188	6.49588	5.0	58212.51647	108 108	219 219	0.4962 0.4961	20180404122342-26	short
SkyMapper_i_20180404122407-26_165.772+6.496_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122407-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122407-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122407-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122407-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77192	6.49585	10.0	58212.51677	108 108	219 219	0.4963 0.4962	20180404122407-26	short
SkyMapper_z_20180404122437-26_165.772+6.496_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122437-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122437-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122437-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180404122437-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77184	6.49587	20.0	58212.51713	108 108	219 219	0.4962 0.4960	20180404122437-26	short
SkyMapper_u_20180502104352-15_165.772+6.496_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104352-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104352-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104352-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104352-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77186	6.49584	40.0	58240.44715	108 108	219 219	0.4958 0.4969	20180502104352-15	short
SkyMapper_v_20180502104453-15_165.772+6.496_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104453-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104453-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104453-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104453-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77189	6.49589	20.0	58240.44785	108 108	219 219	0.4957 0.4969	20180502104453-15	short
SkyMapper_g_20180502104533-15_165.772+6.496_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104533-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104533-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104533-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104533-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77195	6.49585	5.0	58240.44832	108 108	219 219	0.4958 0.4970	20180502104533-15	short
SkyMapper_r_20180502104559-15_165.772+6.496_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104559-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104559-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104559-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104559-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77197	6.49589	5.0	58240.44861	108 108	219 219	0.4958 0.4969	20180502104559-15	short
SkyMapper_i_20180502104625-15_165.772+6.496_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104625-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104625-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104625-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104625-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77197	6.49592	10.0	58240.44891	108 108	219 219	0.4959 0.4970	20180502104625-15	short
SkyMapper_z_20180502104656-15_165.772+6.496_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104656-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104656-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104656-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180502104656-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77186	6.49594	20.0	58240.44927	108 108	219 219	0.4958 0.4970	20180502104656-15	short
SkyMapper_i_20190118181515-25_165.772+6.496_107x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181515-25&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181515-25&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181515-25&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181515-25&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77156	6.49583	100.0	58501.76061	107 108	216 219	0.4968 0.4974	20190118181515-25	main
SkyMapper_i_20190118181926-26_165.772+6.496_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181926-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181926-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181926-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190118181926-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77190	6.49589	100.0	58501.76352	108 108	219 219	0.4964 0.4962	20190118181926-26	main
SkyMapper_i_20190216154208-26_165.772+6.496_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190216154208-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190216154208-26&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190216154208-26&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190216154208-26&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77190	6.49589	100.0	58530.65428	108 108	219 219	0.4964 0.4962	20190216154208-26	main
SkyMapper_u_20210417114231-15_165.772+6.496_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114231-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114231-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114231-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114231-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77191	6.49583	40.0	59321.48789	108 108	219 219	0.4958 0.4969	20210417114231-15	short
SkyMapper_v_20210417114333-15_165.772+6.496_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114333-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114333-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114333-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114333-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77192	6.49592	20.0	59321.48860	108 108	219 219	0.4958 0.4969	20210417114333-15	short
SkyMapper_g_20210417114414-15_165.772+6.496_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114414-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114414-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114414-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114414-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77184	6.49587	5.0	59321.48908	108 108	219 219	0.4958 0.4970	20210417114414-15	short
SkyMapper_r_20210417114441-15_165.772+6.496_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114441-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114441-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114441-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114441-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77191	6.49589	5.0	59321.48939	108 108	219 219	0.4958 0.4969	20210417114441-15	short
SkyMapper_i_20210417114507-15_165.772+6.496_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114507-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114507-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114507-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114507-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77197	6.49582	10.0	59321.48969	108 108	219 219	0.4959 0.4970	20210417114507-15	short
SkyMapper_z_20210417114539-15_165.772+6.496_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114539-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114539-15&format=png&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114539-15&format=fits&pos=165.771851337,6.49589335689&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210417114539-15&format=mask&pos=165.771851337,6.49589335689&size=0.03,0.03	165.77194	6.49583	20.0	59321.49010	108 108	219 219	0.4958 0.4970	20210417114539-15	short