Open Cluster NGC 4609 & Coalsack Nebula

Crux: Constellation Southern Cross with Coalsack and Jewel Box (NGC 4755); Canon EF 85 mm f/1.8 USM at f/4.0; Canon EOS 20Da; Astro-Physics 1200GTO; 38x5 min @ 800 ASA; Namibia, Tivoli Southern Sky Guest Farm, 1360 m AMSL; © 4. 6. 2011 Manuel Jung [45]

Physical Properties

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Designation NGC 4609
Type OCL (II1p)
Right Ascension (J2000.0) 12h 42m 19.8s
Declination (J2000.0) -62° 59' 38"
Diameter 6 arcmin
Visual magnitude 6.9 mag
Metric Distance 1.223 kpc
Dreyer Description Cl, pL, pC, cE, st 10
Identification, Remarks h 3407; GC 3145; OCL 890; ESO 95-SC14

Finder Chart

The open cluster NGC 4609 is located in the constellation Crux within the Coalsack nebula. Unfortunately it is not visible from Europe. On 28 March it in opposition with the Sun and is therefore highest in the sky at local midnight.

Finder Chart Open Cluster NGC 4609 & Coalsack Nebula
Open Cluster NGC 4609 & Coalsack Nebula in constellation Crux. 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°