Open Cluster NGC 4609 & Coalsack Nebula

Crux
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
Data from Simbad [145]
Name Coalsack
Object Type Dark Cloud (nebula)
Right Ascension (J2000.0) 12h 31m 19s
Declination (J2000.0) -63° 44' 36"
Identifiers NAME COAL SACK; NAME Coalsack; NAME Coalsack Nebula; NAME Southern Coalsack

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 1 April it in opposition with the Sun and is therefore highest in the sky at local midnight.

Crux: Open Cluster NGC 4609 & Coalsack Nebula
Finder Chart Open Cluster NGC 4609 & Coalsack Nebula
never
23:58 | -19.8°
always
Charts created using SkySafari 6 Pro and STScI Digitized Sky Survey. Limiting magnitudes: Constellation chart ~6.5 mag, DSS2 close-ups ~20 mag. Times are shown for timezone UTC, Latitude 46.7996°, Longitude 8.23225°, Horizon height 5°, Date 2025-03-25. [149, 160]

Objects Within a Radius of 15°

References