| M25 |
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| NGC IC4725 | |||||||||||
| Type: | Open Cluster | ||||||||||
| Constellation: | Sagittarius | ||||||||||
| Magnitude: | 4.9 | ||||||||||
| Size: | 40.0' | ||||||||||
| RA-Dec: | 18h 28.8m - -19 17 | ||||||||||
| Difficulty: | E | E=easy, T=tough, C=challenging | |||||||||
| Description: | |||||||||||
| A loose gathering of stars located west of M24 and easily visible to the unaided eye. This cluster contains an estimated 600 stars, and is a delightful sight in binoculars and telescopes. Look for the Cepheid variable star U Sagittarri in this cluster. U Sagittarri varies predictably in brightness by almost an order of magnitude in just over 6 days. | |||||||||||
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