NGC/IC Project Restoration Effort

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NGC6775

 

Basic Information


Location and Magnitude


Right Ascension: 19:16:42.0
Declination: -0:55:58
Constellation: AQL
Visual Magnitude:

Historic Information


Discoverer: Herschel J.
Year of discovery: 1827
Discovery aperture: 18.3

Observational


Summary description: Cl, P, lC, st 10…11
Sub-type: *Grp

Corwin's Notes

===== NGC 6775 may not be a real cluster, but it is clear on the sky as a tight clump of about a dozen stars, with another looser clump about five arcmin to the west. JH's position is on the tight clump. He calls it "A cluster; poor, loose, irreg fig; stars 10 and 11 m." Looking at this again in February 2016, I see not only those two clumps, but a third another 4-5 arcminutes on to the northwest. There are "bridges" of stars between these three clumps, so I am tempted to build a single, larger cluster out of them all. If it is a cluster, it's size is similar to that of NGC 6773 (which see), with a position angle of about 115 degrees. Further study is clearly necessary!

Steve's Notes

===== NGC 6775 24" (9/30/16): at 200x; the most compressed grouping is at the east end and includes a half-dozen brighter stars including a nice linear string. Perhaps 20 stars are resolved in a 2.5' region. A nice sprinkling of 13th and 14th magnitude extends to the east for ~10'. There are no dense clumps, but just enough stars to catch the eye. Combined, the group is somewhat detached in the wider field and extends ~12'x 5', roughly elongated WNW-ESE, with the main clump at the ESE end. 17.5" (8/19/95): at 220x appears as a small, faint group of about a dozen stars mag 12.5-14.5 in a 2.5' region. Most striking is a rich string of six stars oriented E-W just 1.5' in length. Stands out reasonable well at 100x but higher power brings out a few fainter stars. Listed as a nonexistent cluster in RNGC and not in Lynga 5.