Open Cluster NGC 436
History
The open cluster NGC 436 was discovered by William Herschel on 3 November 1787 and listed as VII 45. He noted: «A small pretty compressed cluster of stars, not rich, of irregular figure, like a forming one.» [464]
Physical Properties
| Designation | NGC 436 |
| Type | OCL (I3m) |
| Right Ascension (J2000.0) | 01h 15m 58.0s |
| Declination (J2000.0) | +58° 48' 42" |
| Diameter | 5 arcmin |
| Visual magnitude | 8.8 mag |
| Metric Distance | 3.014 kpc |
| Dreyer Description | Cl, S, iF, pC |
| Identification, Remarks | WH VII 45; GC 244; OCL 320 |
Finder Chart
The open cluster is located in the constellation Cassiopeia, roughly 1° north-west of NGC 457. It is on 13 October in opposition to the Sun. From Switzerland they can best be seen in the months July to January.
