Galaxy · constellation Psc
NGC 645
NGC 645MCG +01-05-016PGC 6172UGC 1177
Catalogue data
- Right ascension
- 1h 40m 08.7s
- Declination
- +5° 43' 36"
- Size
- 2.3′ × 40.8″
- Position angle
- 120°
- Magnitude
- 13.7 (B)
- Surface brightness
- 23.42 mag/arcsec²
- Hubble type
- Sb
- Difficulty
- 4/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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