Upsilon Cygni
Overlaid DSS image of Upsilon Cygni, 60' x 60' with north at top and west to the right
Aladin viewer for the region around Upsilon Cygni
υ Cyg, 66 Cyg
OΣ 433, BD+34 4371, HD 202904, HR 8146, WDS J21179+3454A, SAO 71173, GSC 02710-02647, HIP 105138
OΣ 433, BD+34 4371, HD 202904, HR 8146, WDS J21179+3454A, SAO 71173, GSC 02710-02647, HIP 105138
| Type | Star |
|---|---|
| Magnitude | 4.42 | Right Ascension | 21h 17' 55.2" (2000) |
| Declination | 34° 53' 49" N |
| Constellation | Cygnus |
| Classification | B2Vne |
Observing Notes
Andrew Cooper
Nov 19, 2022 Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 233x
Seeing: 6 Transparency: 7 Moon: 0%
Brilliant white, two 10th magnitude stars are visible 15" and 20" south in a rich galactic starfield
The WDS lists a 10.8 magnitude B companion at 15" PA 219°, this appears to be a physical companion as Gaia EDR3 shows nearly identical parallax and comparable proper motions, the 9.9 magnitude C companion 22" PA 184° appears to be a background star with a negligable parallax value in the EDR3 data
Other Data Sources for Upsilon Cygni
Nearby objects for Upsilon Cygni
Credits...
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
Upsilon Cygni