| Emission nebula | |
|---|---|
| Planetary nebula | |
 | |
| Observation data:J2000epoch | |
| Right ascension | 10h 09m 20.910s[1] |
| Declination | −80° 51′ 30.73″[1] |
| Distance | 6,440 ly (1,975 pc)[2] ly |
| Apparent magnitude (V) | 11.6[3] |
| Apparent dimensions (V) | 1.33′[2] |
| Constellation | Chamaeleon |
| Designations | Caldwell 109, Hen 2-44, Sa2-57, PK 296-20.1, PN G296.6-20.0, ESO 19-2[4] |
| See also:Lists of nebulae | |
NGC 3195 (also known asCaldwell 109) is aplanetary nebula located in the southernconstellation ofChamaeleon. Discovered bySir John Herschel in 1835,[3] this 11.6apparent magnitude[3] planetary nebula is slightly oval in shape, with dimensions of 40×35arc seconds, and can be seen visually in telescopic apertures of 10.5 centimetres (4.1 in) at low magnifications.[5]
Spectroscopy reveals that NGC 3195 is approachingEarth at 17 kilometres per second (11 mi/s), while the nebulosity is expanding at around 40 kilometres per second (25 mi/s). The central star is listed as >15.3V or 16.1B magnitude. An analysis ofGaia data suggests that the central star is abinary system.[6] Distance is estimated at 1.7kpc.
Media related toNGC 3195 at Wikimedia Commons
