Galaxy · constellation Sex
IC 645
IC 645PGC 2816724
Catalogue data
- Right ascension
- 10h 50m 09.4s
- Declination
- -6° 02' 34"
- Size
- 28.8″ × 25.2″
- Position angle
- 59°
- Magnitude
- 15.4 (B)
- Surface brightness
- 22.32 mag/arcsec²(derived)
- Difficulty
- 4/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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