Galaxy · constellation Cet
NGC 640
NGC 640MCG -02-05-031PGC 6130
Catalogue data
- Right ascension
- 1h 39m 24.9s
- Declination
- -9° 24' 04"
- Size
- 45.6″ × 25.8″
- Position angle
- 147°
- Magnitude
- 15.5 (V)
- Surface brightness
- 23.25 mag/arcsec²
- Hubble type
- SBa
- Difficulty
- 5/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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