Type | Carbon Star |
---|---|
Magnitude | 6.5 | Right Ascension | 20h 13' 23.8" (2000) |
Declination | 38° 43' 44" N |
Constellation | Cygnus |
Classification | C-N5.5 |
Andrew Cooper
Sep 6, 2021 Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 175x
Seeing: 7 Transparency: 7 Moon: 0%
A beautiful rich orange, the 7th magnitude star HD 192422 seen 2' north is listed as a companion, 20' north of NGC6888
HD 192422 @ magnitude 7.1 makes a good comparison star, they are well matched tonight (AAVSO data shows RS Cyg at near 7.5 for this date)
Steve Coe
Period 417 days; 6.5-9.3m; just NE of Crescent Nebula― SAC Red Star Database
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
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