Planetary Nebula Minkowski 2-55
History
The planetary nebula Minkowski 2-55 (PK 116+8.1) was discovered in 1947 by the German-American astronomer Rudolph Minkowski on photo plates in the Newton focus of the 60 inch or 100 inch telescope on Mount Wilson. Minkowski also contributed to the creation of the «National Geographic Society - Palomar Observatory Sky Survey» (POSS). [454]
Physical Properties
The distance from M 2-55 is 2232 pc. [145]
| Designations | PN G116.2+08.5: M 2-55, PK 116+08.1, ARO 382, VV 287, VV' 577 |
| Right Ascension (J2000.0) | 23h 31m 51s |
| Declination (J2000.0) | +70° 22' 14" |
| Dimensions | 39." (optical), 40." (radio) |
| Radial Velocity | -22.6 ± 2.9 km/s |
| C-Star Designations | AG82 453 |
| C-Star Magnitude | B: 21.2, V: 21.1 |
| Discoverer | MINKOWSKI 1947 |
Finder Chart
The planetary nebula Minkowski 2-51 is located in the constellation Cepheus. The best time to observe is May to December, when it is highest at night.
