Galaxy · constellation Com
M 99
Coma Pinwheel
NGC 4254M 99MCG +03-31-099PGC 39578UGC 7345
Catalogue data
- Right ascension
- 12h 18m 49.6s
- Declination
- +14° 24' 59"
- Size
- 5.0′ × 4.7′
- Position angle
- 23°
- Magnitude
- 9.8 (V)
- Surface brightness
- 22.60 mag/arcsec²
- Hubble type
- Sc
- Difficulty
- 3/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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