Celestial hemisphere:  Southern  ·  Constellation: Scutum (Sct)  ·  Contains:  Amas de l'Ecu de Sobieski  ·  M 11  ·  NGC 6704  ·  NGC 6705  ·  Wild Duck Cluster
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M11 and its surroundings in RGB, Alexandr Zaytsev
M11 and its surroundings in RGB
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M11 and its surroundings in RGB

Revision title: Higher contrast version of the same scene

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M11 and its surroundings in RGB, Alexandr Zaytsev
M11 and its surroundings in RGB
Powered byPixInsight

M11 and its surroundings in RGB

Revision title: Higher contrast version of the same scene

Equipment

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Acquisition details

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Description

87min integral RGB exposure of M11 and its surroundings, captured remotely using Telescope #5 (Officina Stellare Riccardi-Honders RH200 D = 200mm f/3, FLI Microline 16200) system of ChileScope observatory; over two observation sessions carried out on Aug 3 & 5, 2022.

The RGB image is photometrically calibrated using PixInsight tools and the further correction in Photoshop.

Taken in celebration of 35 years since my first observation of this wonderful object: it is the first Messier catalog object and deep sky object that I ever observed and identified 

Comments

Revisions

  • M11 and its surroundings in RGB, Alexandr Zaytsev
    Original
  • M11 and its surroundings in RGB, Alexandr Zaytsev
    B
  • Final
    M11 and its surroundings in RGB, Alexandr Zaytsev
    C

B

Title: The subframe for M11 itself, processed a bit differently to get more structure in the core of this open cluster

Uploaded: ...

C

Title: Higher contrast version of the same scene

Uploaded: ...

Sky plot

Sky plot

Histogram

M11 and its surroundings in RGB, Alexandr Zaytsev