Celestial hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  4 Vul  ·  5 Vul  ·  7 Vul  ·  IC 1299  ·  NGC 6802  ·  PK055+01.1  ·  PK055+02.1  ·  PK055+02.2  ·  PK055+02.3  ·  Sh2-83  ·  The star 4Vul  ·  The star 5Vul
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The "Coathanger" Brocchi's Cluster, Barry Wilson
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The "Coathanger" Brocchi's Cluster

Getting plate-solving status, please wait...
The "Coathanger" Brocchi's Cluster, Barry Wilson
Powered byPixInsight

The "Coathanger" Brocchi's Cluster

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Description

From Wikipedia: "Brocchi's Cluster (also known as Collinder 399, Cr 399 or Al Sufi's Cluster) is a random grouping of stars located in the constellation Vulpecula near the border with Sagitta. The members of the star cluster form an asterism which has given rise to its name as the Coathanger. It was first described by the Persian astronomer Al Sufi in his Book of Fixed Stars in 964. In the 17th century, it was independently rediscovered by the Italian astronomer G. B. Hodierna. In the 1920s, Dalmero Francis Brocchi, an amateur astronomer and chart maker for the American Association of Variable Star Observers (AAVSO), created a map of this object for use in calibrating photometers. In 1931, Swedish astronomer Per Collinder listed it in his catalogue of open clusters."

A delightful star field across this two panel mosaic.

Data acquisition: Barry Wilson & Steve Milne

Processing: Barry Wilson

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The "Coathanger" Brocchi's Cluster, Barry Wilson