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GSC 2.4.1.2 includes additional catalogs improving coverage as can be seen below. For clarity we omit those included as part of GSC 2.4.1.1 (above). New catalogs include: PanSTARRS-DR1 (light blue), SkyMapper DR1 (red), and GALEX AIS (green)
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The current sky coverage for GSC 2.4.1.2 is below. Scale is logarithmic with log10(sources/square) degree.
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Coverage as function of magnitude
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