The open cluster M 25
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 14 arcminutes across.
Finder chart
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From Cambridge , M 25 is visible in the dawn sky, rising at 02:29 (EST) – 3 hours and 44 minutes before the Sun – and reaching an altitude of 20° above the south-eastern horizon before fading from view as dawn breaks around 05:05.
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|
Name
M 25
|
Object Type
Open Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 4.60 (V) [3] 5.29 (B) [2] |
| B-V Color (mag): | 0.69 |
| Right ascension: | 18h31m [2] |
| Declination: | -19°06' [2] |
| Distance: | 620.0 parsec 2021.2 lightyrs [1] |
Derived Quantities
| Absolute mag (V): | -4.36 |
Visibility from Cambridge
All times shown in Cambridge local time.