Open Cluster NGC 1647

NGC 1647
NGC 1647: Section of DSS2. Here could be your picture. [147]


This open cluster was discovered by William Herschel on 15 February 1784 and listed as VIII 8. He described it as «A cluster of considerably large very coarsely scattered stars perhaps a projection point of the milky way.» [463] Dreyer added it 1888 as NGC 1647 to the «New General Catalogue» using John Herschels description for GC 896: «Cluster, very large, stars Large, scattered.» [313]

Physical Properties

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Designation NGC 1647
Type OCL (II2m)
Right Ascension (J2000.0) 04h 45m 42.2s
Declination (J2000.0) +19° 07' 09"
Diameter 40 arcmin
Visual magnitude 6.4 mag
Metric Distance 0.539 kpc
Dreyer Description Cl, vL, st L, sc
Identification, Remarks WH VIII 8; GC 896; OCL 457

Finder Chart

The open cluster NGC 1647 is located in the constellation Taurus. The best observation time is August to March, when it is highest at night.

Finder Chart Open Cluster NGC 1647
Open Cluster NGC 1647 in constellation Taurus. 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°