Arp-Madore 1 is a faint globular cluster in the constellation Horologium.
At a distance of 390 000 light-years it is the most distant known globular cluster in our galaxy, a distance about 3 times of our own galaxy’s diameter.
Very few images of this cluster are existing.
LRGB (L 12x20m, R 3x20m, G 3x20m, B 3x20m) total 7 h combined. Seeing 0.8-1.1 arcsec, north is up
80cm f/7 Astrooptik Keller corrected cassegrain, FLI Proline 16803, Baader Filters, Prompt 7 CTIO Chile
Processing: Johannes Schedler
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