Type | Open Cluster |
---|---|
Magnitude | 6.9 |
Size | 9' |
Right Ascension | 18h 19' 58.6" (2000) |
Declination | 17° 6' 7" S |
Constellation | Sagittarius |
Description | Cl, P, vlC |
Classification | II 3 p n |
Andrew Cooper
Jun 29, 2019 Kaʻohe, Mauna Kea, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 56x
Seeing: 8 Transparency: 7 Moon: 0%
A small bright cluster between M17 and the large star cloud of M24, small, bright, coarse, fully resolved.
Andrew Cooper
Aug 12, 2017 Waikoloa, HI (map)
Hodgepodge w/TV-76mm f/6 APO @ 30x
Seeing: 6 Transparency: 6 Moon: 0%
A small and non-descript cluster at low power, 5' across, coarse, not much more than a clump in the Milky Way starfield
Andrew Cooper
Apr 19, 2012 Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Seeing: 7 Transparency: 7 Moon: 0%
A poor, sparse cluster notable only for the brightness of those few members it does posess, about 10' across
Andrew Cooper
Apr 18, 2010 Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 60x
Seeing: 6 Transparency: 7 Moon: 0%
A coarse cluster in a rich field, a dozen 10th magnitude stars in a 10' area, lost in a very rich region
Andrew Cooper
Jun 6, 1998 TIMPA, Avra Valley, AZ (map)
20cm f/10 SCT
Sparse open cluster of about a couple dozen stars, strung out east-west, overall a poor object in this area of stellar wonders
Rev. T.W. Webb
May 19, 1885 Hardwick, Herefordshire, England (map)
Glorious field in a very rich vicinity; s lies a region of surpassing splendour.― Celestial Objects for Common Telescopes, T. W. Webb, 1917
William Herschel
Jun 22, 1784 19 New King Street, Bath (map)
A cluster of coarsely scattered large stars, not rich.
Charles Messier
Jun 3, 1764
A cluster of small stars, a little below above nebula, No. 17, surrounded by slight nebulosity, this cluster is less obvious than the preceding, No. 16: with an ordinary telescope of 3.5-foot, this cluster appears like a nebula; but with a good telescope one sees nothing but stars.― Connaissance des Temps, 1781
Barnard 93 | IC 4701 | |
NGC 6596 |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
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