Open cluster · constellation Mon
NGC 2251
NGC 2251MWSC 916
Catalogue data
- Right ascension
- 6h 34m 38.5s
- Declination
- +8° 21' 59"
- Size
- 5.7′
- Position angle
- not available
- Magnitude
- 7.3 (V)
- Surface brightness
- 19.71 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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