Open cluster · constellation Mon
NGC 2309
NGC 2309MWSC 1026
Catalogue data
- Right ascension
- 6h 56m 03.6s
- Declination
- -7° 10' 27"
- Size
- 5.4′
- Position angle
- not available
- Magnitude
- 10.5 (V)
- Surface brightness
- 22.79 mag/arcsec²(derived)
- Difficulty
- 3/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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