V640-Cas (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , V640-Cas is visible all night. It will become visible at around 17:27 (EST), 63° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:44, 73° above your northern horizon. It will continue to be observable until around 03:49, when it sinks below 21° above your north-western horizon.
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Name
V640-Cas
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Object type
Star
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Position
| Right ascension: | 00h06m15s [2] |
| Declination: | +58°26'12" [2] |
| Constellation: | Cassiopeia |
| Magnitude: Variable | 6.36 (V) [2] 7.12 (BT) [2] 6.42 (VT) [2] |
| Distance: | 21.5 parsec 70.0 lightyrs [3] |
| B-V Color (mag): | 0.60 |
| Proper motion (speed): | 247.7 mas/yr[3] |
| Proper motion (pos ang): | 86.4° |
Derived quantities
| Absolute mag (V): | 4.70 |
Sources