3-Per (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , 3-Per will become visible at around 20:20 (EDT), 26° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 21:03 when it dips 21° above your north-western horizon.
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Name
3-Per
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Object type
Star
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Other names
Position
| Right ascension: | 01h58m33s [4] |
| Declination: | +49°12'16" [4] |
| Constellation: | Perseus |
| Magnitude: | 5.71 (V) [2] 6.97 (BT) [2] 5.81 (VT) [2] 5.42 (G) [4] 5.93 (BP) [4] 4.75 (RP) [4] |
| Distance: | 78.8 parsec 256.8 lightyrs [4] |
| B-V Color (mag): | 0.99 |
| Proper motion (speed): | 42.3 mas/yr[4] |
| Proper motion (pos ang): | 9.6° |
Derived quantities
| Absolute mag (V): | 1.23 |
Sources