• Thumbnail for Messier 73
    Messier 73 (redirect from NGC 6994)
    Messier 73 (M73, also known as NGC 6994) is an asterism of four stars in the constellation Aquarius which was long thought to be a small open cluster...
    7 KB (823 words) - 09:32, 13 October 2024
  • Thumbnail for List of most massive black holes
    Group galaxies M31 and M32, and a few galaxies beyond the Local Group, e.g. NGC 4395. In these galaxies, the mean square (or root mean square) velocities...
    79 KB (5,841 words) - 14:57, 29 March 2025
  • Thumbnail for 47 Tucanae
    47 Tucanae (redirect from NGC 104)
    47 Tucanae or 47 Tuc (also designated as NGC 104 and Caldwell 106) is a globular cluster located in the constellation Tucana. It is about 4.45 ± 0.01 kpc...
    19 KB (2,017 words) - 13:45, 2 April 2025
  • Thumbnail for NGC 2291
    is 1.0 by 0.8 arc minutes. NED, NGC 2291 (accessed 2012-03-20) Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 2250 - 2299". cseligman.com. Archived...
    2 KB (89 words) - 12:17, 13 August 2023
  • HD 221246 (redirect from NGC 7686 1)
    HD 221246 or NGC 7686 1 is a star in open cluster NGC 7686, and it belongs to the northern constellation of Andromeda. With an apparent visual magnitude...
    5 KB (335 words) - 11:18, 24 March 2025