Rastaban (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 , Rastaban is visible in both the dusk and dawn skies. In the evening, it will become visible at around 17:15 (EST), 39° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 20:31 when it dips 15° above your north-western horizon. At 03:44, it will return to an altitude of 15° above your north-eastern horizon, and reach an altitude of 30° before fading from view as dawn breaks at around 05:52.
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|
Name
Rastaban
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h30m25s [6] |
| Declination: | +52°18'05" [6] |
| Constellation: | Draco |
| Magnitude: | 2.80 (V) [3] 4.02 (BT) [2] 2.90 (VT) [2] 2.55 (G) [6] 3.38 (BP) [6] 2.24 (RP) [6] |
| Distance: | 112.1 parsec 365.5 lightyrs [6] |
| B-V Color (mag): | 0.96 |
| Proper motion (speed): | 19.7 mas/yr[6] |
| Proper motion (pos ang): | 305.2° |
Derived quantities
| Absolute mag (V): | -2.45 |
Visibility from Cambridge
All times shown in Cambridge local time.