55 Cygni
DSS image of 55 Cygni
Overlaid DSS image of 55 Cygni, 60' x 60' with north at top and west to the right

Aladin viewer for the region around 55 Cygni
55 Cyg
BD+45 3291, HD 198478, HR 7977, WDS J20489+4607A, SAO 50099, GSC 03575-06709, HIP 102724

Type  Star
Magnitude  4.86
Right Ascension  20h 48' 56.4"  (2000)
Declination  46° 6' 51" N
Constellation  Cygnus
Classification  B4Ia
Observing Notes

Andrew Cooper
Jun 17, 2023    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 7 Moon: 0%

Yellow-white, an 11th magnitude companion visible 22" south

Gaia EDR3 data shows this to be a line of sight companion as paralax and proper motions do not match. Oddly the 11th magnitude star is closer with a parallax of 1.743mas versus 0.543mas for the 4.8 magnitude 55 Cyg.

Andrew Cooper
Sep 25, 2021    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 6 Transparency: 6 Moon: 0%

Pale yellow, a 12th magnitude 22" companion not visible
Other Data Sources for 55 Cygni
Nearby objects for 55 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

55 Cygni