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_20180926185516-17_73.261+10.759_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926185516-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926185516-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926185516-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180926185516-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26147	10.75908	100.0	58387.78840	108 108	218 218	0.4977 0.4978	20180926185516-17	main
SkyMapper_u_20181224133452-21_73.261+10.759_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133452-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133452-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133452-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133452-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26145	10.75901	40.0	58476.56590	108 108	219 219	0.4972 0.4974	20181224133452-21	short
SkyMapper_v_20181224133554-21_73.262+10.759_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133554-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133554-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133554-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133554-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26151	10.75914	20.0	58476.56662	108 108	219 219	0.4972 0.4974	20181224133554-21	short
SkyMapper_g_20181224133634-21_73.261+10.759_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133634-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133634-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133634-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133634-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26144	10.75905	5.0	58476.56708	108 108	219 219	0.4973 0.4975	20181224133634-21	short
SkyMapper_r_20181224133700-21_73.261+10.759_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133700-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133700-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133700-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133700-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26148	10.75910	5.0	58476.56738	108 108	219 219	0.4973 0.4975	20181224133700-21	short
SkyMapper_i_20181224133726-21_73.261+10.759_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133726-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133726-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133726-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133726-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26146	10.75901	10.0	58476.56769	108 108	219 219	0.4974 0.4976	20181224133726-21	short
SkyMapper_z_20181224133757-21_73.262+10.759_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133757-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133757-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133757-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181224133757-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26153	10.75912	20.0	58476.56804	108 108	219 219	0.4973 0.4975	20181224133757-21	short
SkyMapper_i_20181225130630-21_73.266+10.759_73x109	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130630-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130630-21&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130630-21&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130630-21&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26643	10.75908	100.0	58477.54620	73 109	148 219	0.4974 0.4976	20181225130630-21	main
SkyMapper_i_20181225130831-17_73.261+10.759_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130831-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130831-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130831-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20181225130831-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.26149	10.75915	100.0	58477.54760	108 108	219 219	0.4977 0.4977	20181225130831-17	main
SkyMapper_u_20191013175034-17_73.255+10.759_60x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175034-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175034-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175034-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175034-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.25454	10.75910	40.0	58769.74347	60 108	122 219	0.4975 0.4976	20191013175034-17	short
SkyMapper_v_20191013175134-17_73.255+10.759_60x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175134-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175134-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175134-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175134-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.25454	10.75909	20.0	58769.74417	60 108	122 219	0.4975 0.4975	20191013175134-17	short
SkyMapper_g_20191013175214-17_73.255+10.759_60x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175214-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175214-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175214-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175214-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.25455	10.75914	5.0	58769.74463	60 108	122 219	0.4976 0.4976	20191013175214-17	short
SkyMapper_r_20191013175239-17_73.255+10.759_60x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175239-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175239-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175239-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175239-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.25454	10.75906	5.0	58769.74492	60 108	122 219	0.4976 0.4976	20191013175239-17	short
SkyMapper_i_20191013175304-17_73.255+10.759_61x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175304-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175304-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175304-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175304-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.25471	10.75900	10.0	58769.74521	61 108	123 218	0.4977 0.4978	20191013175304-17	short
SkyMapper_z_20191013175335-17_73.255+10.759_61x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175335-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175335-17&format=png&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175335-17&format=fits&pos=73.2614656,10.7590843&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20191013175335-17&format=mask&pos=73.2614656,10.7590843&size=0.03,0.03	73.25456	10.75909	20.0	58769.74557	61 108	123 219	0.4976 0.4976	20191013175335-17	short