Open Cluster NGC 6231

Physical Properties

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Designation NGC 6231
Type OCL (I3p)
Right Ascension (J2000.0) 16h 54m 09.8s
Declination (J2000.0) -41° 49' 30"
Diameter 14 arcmin
Photographic (blue) magnitude 2.8 mag
Visual magnitude 2.6 mag
Metric Distance 1.250 kpc
Identification, Remarks h 3652; GC 4245; OCL 997; ESO 332-SC6

Finder Chart

The open cluster NGC 6231 is located in the constellation Scorpius, just half a degree above the two stars ζ1 and ζ2 Scorpii. Unfortunately it is not not visible from central Europe. On 4 June it in opposition with the Sun and is therefore highest in the sky at local midnight.

Finder Chart Open Cluster NGC 6231
Open Cluster NGC 6231 in constellation Scorpius. 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°