V1931-Cyg (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , V1931-Cyg is visible all night. It will become visible at around 20:56 (EDT), 57° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:05, 86° above your northern horizon. It will be lost to dawn twilight at around 04:36, 42° above your north-western horizon.
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|
Name
V1931-Cyg
|
Object type
Star
|
Other names
Position
| Right ascension: | 21h01m10s [4] |
| Declination: | +46°09'20" [4] |
| Constellation: | Cygnus |
| Magnitude: Variable | 5.42 (V) [2] 5.16 (BT) [2] 5.40 (VT) [2] 5.35 (G) [4] 5.25 (BP) [4] 5.51 (RP) [4] |
| Distance: | 375.6 parsec 1224.6 lightyrs [4] |
| B-V Color (mag): | -0.20 |
| Proper motion (speed): | 7.9 mas/yr[4] |
| Proper motion (pos ang): | 77.9° |
Derived quantities
| Absolute mag (V): | -2.46 |
Visibility from Cambridge
All times shown in Cambridge local time.