Open cluster · constellation Cas
NGC 654
NGC 654MWSC 137
Catalogue data
- Right ascension
- 1h 43m 59.4s
- Declination
- +61° 52' 58"
- Size
- 6.3′
- Position angle
- not available
- Magnitude
- 6.5 (V)
- Surface brightness
- 19.13 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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