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_z_20180919180418-21_51.816+8.711_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180919180418-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180919180418-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180919180418-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180919180418-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81564	8.71091	20.0	58380.75301	108 108	219 219	0.4973 0.4976	20180919180418-21	short
SkyMapper_i_20180920175449-21_51.816+8.711_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920175449-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920175449-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920175449-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920175449-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81569	8.71088	100.0	58381.74641	108 108	219 219	0.4974 0.4976	20180920175449-21	main
SkyMapper_u_20180922174323-21_51.816+8.711_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174323-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174323-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174323-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174323-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81558	8.71089	40.0	58383.73848	108 108	219 219	0.4972 0.4974	20180922174323-21	short
SkyMapper_v_20180922174424-21_51.816+8.711_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174424-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174424-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174424-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174424-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81561	8.71083	20.0	58383.73918	108 108	219 219	0.4972 0.4974	20180922174424-21	short
SkyMapper_g_20180922174504-21_51.816+8.711_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174504-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174504-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174504-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174504-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81563	8.71088	5.0	58383.73965	108 108	219 219	0.4974 0.4976	20180922174504-21	short
SkyMapper_r_20180922174530-21_51.816+8.711_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174530-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174530-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174530-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174530-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81562	8.71085	5.0	58383.73994	108 108	219 219	0.4973 0.4975	20180922174530-21	short
SkyMapper_i_20180922174555-21_51.816+8.711_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174555-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174555-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174555-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174555-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81567	8.71089	10.0	58383.74024	108 108	219 219	0.4974 0.4976	20180922174555-21	short
SkyMapper_z_20180922174627-21_51.816+8.711_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174627-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174627-21&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174627-21&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180922174627-21&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81558	8.71084	20.0	58383.74061	108 108	219 219	0.4973 0.4976	20180922174627-21	short
SkyMapper_u_20190913182652-02_51.816+8.711_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182652-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182652-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182652-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182652-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81576	8.71082	40.0	58739.76868	108 108	219 219	0.4954 0.4958	20190913182652-02	short
SkyMapper_v_20190913182752-02_51.816+8.711_109x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182752-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182752-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182752-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182752-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81562	8.71078	20.0	58739.76936	109 108	220 219	0.4954 0.4957	20190913182752-02	short
SkyMapper_g_20190913182832-02_51.816+8.711_109x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182832-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182832-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182832-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182832-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81569	8.71084	5.0	58739.76983	109 108	220 219	0.4954 0.4958	20190913182832-02	short
SkyMapper_r_20190913182857-02_51.816+8.711_109x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182857-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182857-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182857-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182857-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81558	8.71083	5.0	58739.77012	109 108	220 219	0.4954 0.4957	20190913182857-02	short
SkyMapper_i_20190913182922-02_51.816+8.711_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182922-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182922-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182922-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182922-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81569	8.71085	10.0	58739.77041	108 108	219 219	0.4955 0.4958	20190913182922-02	short
SkyMapper_z_20190913182954-02_51.816+8.711_109x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182954-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182954-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182954-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190913182954-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81566	8.71075	20.0	58739.77078	109 108	220 219	0.4953 0.4957	20190913182954-02	short
SkyMapper_g_20190930172056-02_51.816+8.711_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172056-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172056-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172056-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172056-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81558	8.71079	5.0	58756.72289	108 108	220 219	0.4953 0.4957	20190930172056-02	short
SkyMapper_r_20190930172121-02_51.816+8.711_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172121-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172121-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172121-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172121-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81574	8.71086	5.0	58756.72317	108 108	219 219	0.4954 0.4958	20190930172121-02	short
SkyMapper_i_20190930172146-02_51.816+8.711_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172146-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172146-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172146-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172146-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81574	8.71081	10.0	58756.72346	108 108	219 219	0.4955 0.4959	20190930172146-02	short
SkyMapper_z_20190930172216-02_51.816+8.711_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172216-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172216-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172216-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20190930172216-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81560	8.71084	20.0	58756.72381	108 108	220 219	0.4954 0.4958	20190930172216-02	short
SkyMapper_u_20201204130213-02_51.816+8.711_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130213-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130213-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130213-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130213-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81566	8.71087	40.0	59187.54324	108 108	220 219	0.4954 0.4958	20201204130213-02	short
SkyMapper_v_20201204130315-02_51.816+8.711_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130315-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130315-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130315-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130315-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81559	8.71079	20.0	59187.54396	108 108	220 219	0.4953 0.4957	20201204130315-02	short
SkyMapper_g_20201204130356-02_51.816+8.711_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130356-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130356-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130356-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130356-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81565	8.71084	5.0	59187.54443	108 108	220 219	0.4953 0.4958	20201204130356-02	short
SkyMapper_r_20201204130423-02_51.816+8.711_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130423-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130423-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130423-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130423-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81569	8.71082	5.0	59187.54474	108 108	220 219	0.4953 0.4957	20201204130423-02	short
SkyMapper_i_20201204130449-02_51.816+8.711_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130449-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130449-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130449-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130449-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81567	8.71078	10.0	59187.54504	108 108	220 219	0.4954 0.4958	20201204130449-02	short
SkyMapper_z_20201204130520-02_51.816+8.711_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130520-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130520-02&format=png&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130520-02&format=fits&pos=51.815625,8.710869&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20201204130520-02&format=mask&pos=51.815625,8.710869&size=0.03,0.03	51.81569	8.71086	20.0	59187.54541	108 108	220 219	0.4953 0.4957	20201204130520-02	short