Celestial hemisphere:  Southern  ·  Constellation: Scutum (Sct)  ·  Contains:  Amas de l'Ecu de Sobieski  ·  M 11  ·  NGC 6704  ·  NGC 6705  ·  Wild Duck Cluster
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

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