Alnasl (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 , Alnasl is difficult to observe as it will appear no higher than 17° above the horizon. It is visible in the morning sky, becoming accessible around 02:21, when it reaches an altitude of 15° above your southern horizon. It will then reach its highest point in the sky at 03:21, 17° above your southern horizon. It will be lost to dawn twilight around 04:09, 16° above your southern horizon.
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|
Name
Alnasl
|
Object type
Star
|
Other names
Position
| Right ascension: | 18h05m48s [2] |
| Declination: | −30°25'26" [2] |
| Constellation: | Sagittarius |
| Magnitude: Variable | 2.96 (V) [2] 4.25 (BT) [2] 3.07 (VT) [2] |
| Distance: | 29.7 parsec 96.8 lightyrs [3] |
| B-V Color (mag): | 1.01 |
| Proper motion (speed): | 188.8 mas/yr[3] |
| Proper motion (pos ang): | 196.6° |
Derived quantities
| Absolute mag (V): | 0.60 |
Visibility from Cambridge
All times shown in Cambridge local time.