Open Cluster NGC 436

NGC 457 + NGC 436
NGC 457 + NGC 436: Section of DSS2 [147]


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

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
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.

Finder Chart Open Cluster NGC 436
Open Cluster NGC 436 in constellation Cassiopeia. Charts created using SkySafari 6 Pro and STScI Digitized Sky Survey. Limiting magnitudes: Constellation chart ~6.5 mag, DSS2 close-ups ~20 mag. [149, 160]

Objects Within a Radius of 15°