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_20180820182515-20_27.007+11.221_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182515-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182515-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182515-20&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182515-20&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00659	11.22079	40.0	58350.76755	108 108	219 219	0.4955 0.4959	20180820182515-20	short
SkyMapper_v_20180820182615-20_27.007+11.221_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182615-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182615-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182615-20&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182615-20&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00659	11.22082	20.0	58350.76824	108 108	219 219	0.4955 0.4958	20180820182615-20	short
SkyMapper_g_20180820182656-20_27.007+11.221_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182656-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182656-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182656-20&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182656-20&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00661	11.22074	5.0	58350.76873	108 108	219 219	0.4955 0.4959	20180820182656-20	short
SkyMapper_r_20180820182726-20_27.007+11.221_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182726-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182726-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182726-20&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182726-20&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00656	11.22069	5.0	58350.76906	108 108	219 219	0.4955 0.4959	20180820182726-20	short
SkyMapper_i_20180820182751-20_27.007+11.221_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182751-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182751-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182751-20&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182751-20&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00658	11.22074	10.0	58350.76936	108 108	219 219	0.4955 0.4959	20180820182751-20	short
SkyMapper_z_20180820182822-20_27.007+11.221_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182822-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182822-20&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182822-20&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180820182822-20&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00654	11.22073	20.0	58350.76972	108 108	219 219	0.4955 0.4958	20180820182822-20	short
SkyMapper_v_20180821181141-30_27.007+11.221_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181141-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181141-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181141-30&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181141-30&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00654	11.22069	20.0	58351.75814	108 108	220 219	0.4953 0.4958	20180821181141-30	short
SkyMapper_g_20180821181222-30_27.006+11.221_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181222-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181222-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181222-30&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181222-30&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00644	11.22070	5.0	58351.75860	108 108	220 219	0.4954 0.4958	20180821181222-30	short
SkyMapper_r_20180821181247-30_27.007+11.221_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181247-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181247-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181247-30&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181247-30&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00654	11.22071	5.0	58351.75889	108 108	220 219	0.4954 0.4958	20180821181247-30	short
SkyMapper_i_20180821181313-30_27.007+11.221_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181313-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181313-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181313-30&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181313-30&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00653	11.22075	10.0	58351.75919	108 108	219 219	0.4955 0.4959	20180821181313-30	short
SkyMapper_z_20180821181344-30_27.007+11.221_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181344-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181344-30&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181344-30&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180821181344-30&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00654	11.22079	20.0	58351.75956	108 108	220 219	0.4954 0.4958	20180821181344-30	short
SkyMapper_i_20180920161624-26_27.005+11.221_97x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920161624-26&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920161624-26&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920161624-26&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20180920161624-26&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00489	11.22082	100.0	58381.67808	97 108	197 219	0.4964 0.4962	20180920161624-26	main
SkyMapper_g_20200827175704-13_27.006+11.221_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175704-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175704-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175704-13&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175704-13&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00649	11.22086	5.0	59088.74799	108 108	219 219	0.4976 0.4977	20200827175704-13	short
SkyMapper_r_20200827175733-13_27.006+11.221_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175733-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175733-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175733-13&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175733-13&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00644	11.22078	5.0	59088.74832	108 108	219 219	0.4976 0.4977	20200827175733-13	short
SkyMapper_i_20200827175758-13_27.007+11.221_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175758-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175758-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175758-13&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175758-13&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00654	11.22072	10.0	59088.74860	108 108	219 218	0.4977 0.4977	20200827175758-13	short
SkyMapper_z_20200827175827-13_27.006+11.221_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175827-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175827-13&format=png&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175827-13&format=fits&pos=27.0065064737,11.2208116832&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20200827175827-13&format=mask&pos=27.0065064737,11.2208116832&size=0.03,0.03	27.00649	11.22083	20.0	59088.74895	108 108	219 219	0.4976 0.4977	20200827175827-13	short