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_20210206181357-20_184.813+16.202_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181357-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181357-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181357-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181357-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81300	16.20235	100.0	59251.75972	108 108	219 219	0.4955 0.4960	20210206181357-20	main
SkyMapper_z_20210206181558-20_184.813+16.202_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181558-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181558-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181558-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210206181558-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81295	16.20237	100.0	59251.76112	108 108	219 219	0.4955 0.4958	20210206181558-20	main
SkyMapper_i_20210207173107-30_184.812+16.202_104x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173107-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173107-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173107-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173107-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81226	16.20234	100.0	59252.72997	104 108	211 219	0.4955 0.4960	20210207173107-30	main
SkyMapper_z_20210207173309-30_184.812+16.202_103x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173309-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173309-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173309-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210207173309-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81211	16.20240	100.0	59252.73139	103 108	210 219	0.4954 0.4959	20210207173309-30	main
SkyMapper_r_20210208173853-20_184.813+16.202_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173853-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173853-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173853-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173853-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81292	16.20241	5.0	59253.73536	108 108	219 219	0.4954 0.4955	20210208173853-20	short
SkyMapper_i_20210208173919-20_184.813+16.202_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173919-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173919-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173919-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173919-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81290	16.20235	10.0	59253.73567	108 108	219 219	0.4956 0.4960	20210208173919-20	short
SkyMapper_z_20210208173951-20_184.813+16.202_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173951-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173951-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173951-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208173951-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81292	16.20231	20.0	59253.73603	108 108	219 219	0.4955 0.4959	20210208173951-20	short
SkyMapper_i_20210208181132-30_184.813+16.202_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181132-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181132-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181132-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181132-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81291	16.20238	100.0	59253.75803	108 108	219 219	0.4955 0.4959	20210208181132-30	main
SkyMapper_z_20210208181336-30_184.813+16.202_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181336-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181336-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181336-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210208181336-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81300	16.20240	100.0	59253.75944	108 108	219 219	0.4954 0.4959	20210208181336-30	main
SkyMapper_u_20210222170809-20_184.813+16.202_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170809-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170809-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170809-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170809-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81302	16.20229	40.0	59267.71404	108 108	219 219	0.4955 0.4959	20210222170809-20	short
SkyMapper_v_20210222170911-20_184.813+16.202_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170911-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170911-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170911-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170911-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81290	16.20234	20.0	59267.71475	108 108	219 219	0.4955 0.4959	20210222170911-20	short
SkyMapper_g_20210222170956-20_184.813+16.202_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170956-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170956-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170956-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222170956-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81301	16.20236	5.0	59267.71527	108 108	219 219	0.4955 0.4959	20210222170956-20	short
SkyMapper_r_20210222171028-20_184.813+16.202_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171028-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171028-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171028-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171028-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81295	16.20236	5.0	59267.71563	108 108	219 219	0.4954 0.4959	20210222171028-20	short
SkyMapper_i_20210222171103-20_184.813+16.202_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171103-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171103-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171103-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171103-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81296	16.20230	10.0	59267.71603	108 108	219 219	0.4955 0.4959	20210222171103-20	short
SkyMapper_z_20210222171134-20_184.813+16.202_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171134-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171134-20&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171134-20&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210222171134-20&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81291	16.20242	20.0	59267.71641	108 108	219 219	0.4955 0.4958	20210222171134-20	short
SkyMapper_u_20210318145644-30_184.811+16.202_97x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145644-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145644-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145644-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145644-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81132	16.20236	40.0	59291.62271	97 108	197 219	0.4954 0.4959	20210318145644-30	short
SkyMapper_v_20210318145746-30_184.811+16.202_97x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145746-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145746-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145746-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145746-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81124	16.20237	20.0	59291.62347	97 108	198 219	0.4954 0.4958	20210318145746-30	short
SkyMapper_g_20210318145828-30_184.811+16.202_98x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145828-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145828-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145828-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145828-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81133	16.20240	5.0	59291.62395	98 108	199 219	0.4955 0.4959	20210318145828-30	short
SkyMapper_r_20210318145858-30_184.811+16.202_98x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145858-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145858-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145858-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145858-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81124	16.20232	5.0	59291.62426	98 108	199 219	0.4954 0.4958	20210318145858-30	short
SkyMapper_i_20210318145924-30_184.812+16.202_99x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145924-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145924-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145924-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145924-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81150	16.20231	10.0	59291.62461	99 108	201 219	0.4955 0.4959	20210318145924-30	short
SkyMapper_z_20210318145956-30_184.811+16.202_98x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145956-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145956-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145956-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210318145956-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81133	16.20231	20.0	59291.62497	98 108	200 219	0.4954 0.4958	20210318145956-30	short
SkyMapper_u_20210401140302-30_184.813+16.202_108x108	image/png	u	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140302-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140302-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140302-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140302-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81294	16.20234	40.0	59305.58547	108 108	219 219	0.4955 0.4959	20210401140302-30	short
SkyMapper_v_20210401140404-30_184.813+16.202_108x108	image/png	v	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140404-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140404-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140404-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140404-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81297	16.20232	20.0	59305.58619	108 108	220 219	0.4953 0.4958	20210401140404-30	short
SkyMapper_g_20210401140445-30_184.813+16.202_108x108	image/png	g	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140445-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140445-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140445-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140445-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81300	16.20242	5.0	59305.58666	108 108	219 219	0.4954 0.4959	20210401140445-30	short
SkyMapper_r_20210401140516-30_184.813+16.202_108x108	image/png	r	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140516-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140516-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140516-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140516-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81289	16.20241	5.0	59305.58702	108 108	220 219	0.4954 0.4958	20210401140516-30	short
SkyMapper_i_20210401140543-30_184.813+16.202_108x108	image/png	i	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140543-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140543-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140543-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140543-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81300	16.20235	10.0	59305.58733	108 108	219 219	0.4955 0.4959	20210401140543-30	short
SkyMapper_z_20210401140615-30_184.813+16.202_108x108	image/png	z	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140615-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140615-30&format=png&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140615-30&format=fits&pos=184.81289826,16.20240962&size=0.03,0.03	https://api.skymapper.nci.org.au/public/siap/dr4/get_image?image=20210401140615-30&format=mask&pos=184.81289826,16.20240962&size=0.03,0.03	184.81286	16.20242	20.0	59305.58770	108 108	220 219	0.4954 0.4958	20210401140615-30	short