Galaxy · constellation Ari
NGC 817
NGC 817MCG +03-06-033PGC 8109UGC 1611
Catalogue data
- Right ascension
- 2h 07m 33.7s
- Declination
- +17° 12' 10"
- Size
- 53.4″ × 24.0″
- Position angle
- 29°
- Magnitude
- 13.9 (B)
- Surface brightness
- 22.63 mag/arcsec²
- Hubble type
- S0-a
- Difficulty
- 4/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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