Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  M 7  ·  NGC 6475
The Ptolomeu Cluster (M7), Brenner Alves Damaceno
The Ptolomeu Cluster (M7)
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The Ptolomeu Cluster (M7)

The Ptolomeu Cluster (M7), Brenner Alves Damaceno
The Ptolomeu Cluster (M7)
Powered byPixInsight

The Ptolomeu Cluster (M7)

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Description

Image captured with a Skywatcher Mak180 using a Celestron 6,3 Reducer/Corrector. Image camera was a Canon T3i mod. No filters used. 2" camera to telescope adapter. 22 frames of 15". Darks, Flats and Bias used.

M7 is a large magnificent naked eye open cluster located in the constellation of Scorpius. It's one of the brightest open clusters and has been known since ancient times. It was first recorded in 130 AD by Greek-Roman astronomer Ptolemy and in recognition of this early observation, M7 is often referred to as the Ptolemy Cluster. Italian astronomer Giovanni Batista Hodierna observed 30 stars sometime before 1654 and Charles Messier adding it to his catalogue in 1764.

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  • The Ptolomeu Cluster (M7), Brenner Alves Damaceno
    Original
  • Final
    The Ptolomeu Cluster (M7), Brenner Alves Damaceno
    B

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The Ptolomeu Cluster (M7), Brenner Alves Damaceno