Type | Globular Cluster |
---|---|
Magnitude | 5.9 |
Size | 26.3' |
Right Ascension | 16h 23' 35.3" (2000) |
Declination | 26° 31' 33" S |
Constellation | Scorpius |
Description | Cl, 8 or 10 B* in line, rrr |
Classification | IX |
Andrew Cooper
Jun 29, 2019 Kaʻohe, Mauna Kea, HI (map)
8x42mm Nikon Prostaff 3S Binoculars @ 8x
Seeing: 8 Transparency: 7 Moon: 0%
Easy to find beside Antares, bright, small, unresolved, a round fuzzy brighter in the middle
Andrew Cooper
Jun 29, 2019 Kaʻohe, Mauna Kea, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 56x
Seeing: 8 Transparency: 7 Moon: 0%
A large and beautiful cluster, an excellent globular beside Antares, large, bright, fully resolved, a notable bar of brighter stars across the central core
Andrew Cooper
Aug 12, 2017 Waikoloa, HI (map)
Hodgepodge w/TV-76mm f/6 APO @ 30x
Seeing: 6 Transparency: 6 Moon: 0%
A pretty globular, easy to fins in the same field as Antares, round, 10' across, dense, nicely concentrated, just resolved with the 76mm at 30x, in a pretty field
Andrew Cooper
Apr 19, 2012 Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 6 Transparency: 7 Moon: 0%
A large loose globular with a distinctive line of brighter stars runing north-south across the center, a coarse appearance, with chains of stars sweeping out from the center
Andrew Cooper
Apr 18, 2010 Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 6 Transparency: 7 Moon: 0%
Large! Bright! fully resolved, about 20' across, a distinctive line of stars crosses the core north to south, a beautiful object
Andrew Cooper
Apr 15, 2007 Pu'u Kuainiho (map)
76mm f/6 APO
Bright, large, a rich well concentrated globular just 1.3° west of Antares, 5' across the central condensation maybe 15' to the outliers, a brighter ridge of stars runs north-south across the center of the cluster
Andrew Cooper
Jun 28, 1998 Santa Rita Mts., AZ (map)
20cm f/10 SCT
Rich, compact, much looser and smaller than M22 (Just there a couple minutes ago)
Rev. T.W. Webb
May 19, 1885 Hardwick, Herefordshire, England (map)
Large, rather dim, resolvable, followed by a vacant starless space [B44]. h has remarked many vacancies of this kind.― Celestial Objects for Common Telescopes, T. W. Webb, 1917
Charles Messier
May 8, 1764
Cluster of very small stars; with an inferior telescope, it appears more like a nebula; this cluster is situated near Antares & on its parallel. Observed by M. de la Caille, & reported in his catalogue. Seen again January 30 & March 22, 1781― Connaissance des Temps, 1781
William Herschel
45cm f/12.8 Herschelian speculum
The cluster contains a ridge of stars in the middle, running from south preceding to north following.
Alniyat | Collinder 302 | |
Sh2-9 |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page