| NGC 7840 | |
|---|---|
 SDSS image of NGC 7840 | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces[1][2] |
| Right ascension | 00h 07m 08.79s[3] |
| Declination | +08° 22′ 59.6″[3] |
| Apparent magnitude (V) | 15[1] |
| Characteristics | |
| Type | S?[1] |
| Apparent size (V) | 0.676′ × 0.457′ |
| Other designations | |
| NGC 7840, PGC 1345780[3] | |
NGC 7840 is an unbarred spiral galaxy in the constellation Pisces.[1] It is the last numerical entry in the New General Catalogue.
For observing from Earth's surface, it has a magnitude of 15.5 in the early 21st century.[4] One observing guide recommended a telescope with a least 300mm aperture for observations.[4]
See also[edit]
References[edit]
- ^ a b c d Celestial Atlas, "NGC Objects: NGC 7800 - 7840 ", Courtney Seligman, March 2010 (accessed 2010-10-27)
- ^ WikiSky, "NGC 7840" (accessed 2010-10-17)
- ^ a b c "Search specification: NGC 7840". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-02-12.
- ^ a b Bakich, Michael E. (2010-07-10). 1,001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers. Springer Science & Business Media. ISBN 9781441917775.
External links[edit]
Media related to NGC 7840 at Wikimedia Commons
