Open cluster · constellation Cyg
NGC 6811
NGC 6811MWSC 3143
Catalogue data
- Right ascension
- 19h 37m 17.9s
- Declination
- +46° 23' 20"
- Size
- 7.2′
- Position angle
- not available
- Magnitude
- 6.8 (V)
- Surface brightness
- 19.72 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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