Galaxy · constellation Vir
NGC 4639
NGC 4639MCG +02-32-189PGC 42741UGC 7884
Catalogue data
- Right ascension
- 12h 42m 52.4s
- Declination
- +13° 15' 27"
- Size
- 2.9′ × 1.9′
- Position angle
- 138°
- Magnitude
- 11.6 (V)
- Surface brightness
- 22.79 mag/arcsec²
- Hubble type
- Sbc
- Difficulty
- 3/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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