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Catalogue and alternative designations

NGC 1851, Caldwell 73

Type Globular Cluster
Position 05 14 07, - 40 02 48
Constellation Columba
Camera and Telescope STXL6303E and 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details LRGB image with Astrodon filters. L=80m, R = G = B =60m
Description This globular cluster in Columba is a comparatively massive one and may be a stripped dwarf galaxy nucleus similar to Omega Centauri. Its apparent magnitude is 7.3 and it is about 11' in diameter. The distance is estimated as 39,500 light years.