Open cluster · constellation Oph
IC 4665
IC 4665MWSC 2689
Catalogue data
- Right ascension
- 17h 46m 27.2s
- Declination
- +5° 38' 55"
- Size
- 24.6′
- Position angle
- not available
- Magnitude
- 4.2 (V)
- Surface brightness
- 19.78 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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