Key facts
- Constellation
- Coma Berenices
- Right ascension
- 12 36 20.7710
- Declination
- +25 ° 59 ′ 15.678 ″
- Heliocentric radial velocity
- 1282 ± 1 km/s
- Distance
- 38.16 ± 2.27 Mly (11.700 ± 0.697 Mpc ) , 53 ± 4 Mly (16.2 ± 1.3 Mpc )
- Type
- SA(s)b?
- Size
- ~176,000 ly (53.94 kpc ) ( diameter; D 25 isophote )
- Apparent size v
- 15.90′ × 1.85′
via Wikipedia infobox
~3 min read
Encyclopedic overview
NGC 4565 (also known as the Needle Galaxy or Caldwell 38) is an edge-on spiral galaxy about 30 to 50 million light-years away in the constellation Coma Berenices. It lies close to the North Galactic Pole and has a visual magnitude of approximately 10. It is known as the Needle Galaxy for its narrow profile, and is a prominent example of an edge-on spiral galaxy. It was discovered by German-British astronomer William Herschel on 6 April 1785.
Characteristics
Excerpted from Wikipedia’s “Q622690” article, available under the CC BY-SA 4.0 licence.