Galaxy · constellation UMa
NGC 3998
NGC 3998MCG +09-20-046PGC 37642UGC 6946
Catalogue data
- Right ascension
- 11h 57m 56.1s
- Declination
- +55° 27' 13"
- Size
- 2.8′ × 2.3′
- Position angle
- 139°
- Magnitude
- 11.3 (V)
- Surface brightness
- 22.37 mag/arcsec²
- Hubble type
- S0
- Difficulty
- 3/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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