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File:Messier 24 (infrared, red, green).jpg

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Captions

Captions

The Small Sagittarius Star Cloud (Messier 24) in infrared, red, and green light.

Summary

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Description
English: This 3-panel mosaic of Messier 24, the Small Sagittarius Star Cloud, was taken in the infrared, red and green bands, revealing dim red dwarfs, cool red giants, and stars hidden behind galactic dust.

Within this field are the open clusters NGC 6603 (left) and Collinder 469 (center), the dark nebula Barnard 92 (right), and the H-II region Sharpless 41, which permeates the field with a green tint.

Mount: Sky-Watcher Wave 150i (strain wave German equatorial mount)

Telescope: Apertura CarbonStar RC8 (Ritchey–Chrétien telescope, 203 mm aperture, 1624 mm focal length, no reducer or flattener)

Camera: Touptek ATR533M (IMX533 monochrome sensor)

Field size: 61.3' × 22.4'

Filters:

  • SVBONY 685 nm NIR (red channel) (46x60s panel 1, 46x60s panel 2, 48x60s panel 3)
  • Touptek R (green channel) (33x60s panel 1, 32x60s panel 2, 35x60s panel 3)
  • Touptek G (blue channel) (33x60s panel 1, 32x60s panel 2, 34x60s panel 3)

Software: NINA, SIRIL, GIMP

  • No AI tools were used in the making of this image.
Date
Source Own work
Author Brainandforce

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Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
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This file is licensed under the Creative Commons Attribution 4.0 International license.
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File history

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Date/TimeThumbnailDimensionsUserComment
current21:35, 13 August 2025Thumbnail for version as of 21:35, 13 August 20257,680 × 2,880 (16.6 MB)Brainandforce (talk | contribs)Reduced ringing artifacts, improved denoising, lossless
18:59, 28 July 2025Thumbnail for version as of 18:59, 28 July 20257,680 × 2,880 (9.6 MB)Brainandforce (talk | contribs)Better denoising, stronger stretch to bring out even more H-alpha
08:25, 9 July 2025Thumbnail for version as of 08:25, 9 July 20257,706 × 2,806 (8.16 MB)Brainandforce (talk | contribs)Reprocessed from original data to bring out H-alpha emission
01:17, 3 July 2025Thumbnail for version as of 01:17, 3 July 20257,660 × 2,800 (6.78 MB)Brainandforce (talk | contribs)Uploaded own work with UploadWizard

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