Galaxy · constellation Lyr
NGC 6640
NGC 6640MCG +06-40-018PGC 61913UGC 11247
Catalogue data
- Right ascension
- 18h 28m 08.3s
- Declination
- +34° 18' 10"
- Size
- 49.8″ × 10.8″
- Position angle
- 146°
- Magnitude
- 14.2 (B)
- Surface brightness
- 21.63 mag/arcsec²
- Hubble type
- Sc
- Difficulty
- 4/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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