| Type | Binary Star |
|---|---|
| Magnitude | 9.84 | Right Ascension | 18h 58' 8.2" (2000) |
| Declination | 38° 13' 48" N |
| Constellation | Lyra |
| Description | Binary 9.84/10.11 7" 79° |
Andrew Cooper
Aug 29, 2021 Waikoloa, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 175x
Seeing: 6 Transparency: 6 Moon: 0%
A delicate 10th magnitude pair separated by 7" aligned east-west, 2.6' southeast of V542 Lyrae.
Checking the Gaia data shows Σ 2427 to be a true physical pair, while V542 Lyr is much further away despite being several magnitudes brighter. The 9th magnitude BD+38 3375 seen 3' south of V542 Lyr is a background star.
| Delta Lyrae Cluster | Delta1 Lyrae | Delta2 Lyrae |
| HD 174959 | V542 Lyrae |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
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