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Catalogue and alternative designations Arp-Madore 1 (AM 1)


Type Globular cluster 
Position  03 55 03, -49 36 52
Constellation Horologium
Camera and Telescope STXL6303 and 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details LRGB =165:100:100:100 with Astrodon filters filters.all  unbinned 
Description This a very distant globular cluster studied by Halton Arp and Barry Madore in 1979 (although it's existence was known before then). The distance is about 402,000 light years. The apparent magnitude is 15.7 and it is about 0.5 arcminutes in diameter.