The Binocular Sky


The Coathanger (Collinder 399, Brocchi's Cluster, Al Sufi's Cluster)

Constellation: Vul
Object Type: Asterism
RA:  19h 25m 10s
Dec:  +20° 5' 59"
Magnitude: 5.0
Recommended minimum aperture: 50mm

Charts for 50mm Binocular (5° aperture circle).   Click on a chart to print it.


Cr 399 lies 5° S of α Vulpeculae and 4° NW of α Sagittae.

What You Should See:

Even small binoculars will reveal the ten stars that give this asterism its common name. Because of this shape, the Coathanger makes a popular star-party piece. Its 1.5° span can be held within a 5° field of view for sufficiently long periods in mounted binoculars to permit several consecutive observations.

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