M25 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 14 arcminutes across.
From South El Monte , M25 is visible in the dawn sky, rising at 02:29 (PST) – 3 hours and 47 minutes before the Sun – and reaching an altitude of 27° above the south-eastern horizon before fading from view as dawn breaks at around 05:17.
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Name
M25
|
Object type
Open cluster
|
Position
| Right ascension: | 18h31m [3] |
| Declination: | −19°06' [3] |
| Constellation: | Sagittarius |
| Magnitude: | 4.60 (V) [5] 5.29 (B) [3] |
| Angular dimensions: | 14.1 arcmin |
| Distance: | 620.0 parsec 2021.2 lightyrs [2] |
| B-V Color (mag): | 0.69 |
Derived quantities
| Absolute mag (V): | -4.36 |
Sources