Celestial hemisphere:  Southern  ·  Constellation: Centaurus (Cen)  ·  Contains:  HD114949  ·  HD115011  ·  HD115057  ·  HD115069  ·  HD115084  ·  HD115157  ·  HD115158  ·  HD115236  ·  HD115251  ·  HD115262  ·  HD115263  ·  HD115264  ·  HD115296  ·  HD115302  ·  HD115331  ·  HD115332  ·  HD115333  ·  HD115358  ·  HD115372  ·  HD115373  ·  HD115397  ·  HD115414  ·  HD115415  ·  HD115432  ·  HD115470  ·  HD115471  ·  HD115507  ·  HD115508  ·  HD115509  ·  HD115510  ·  And 320 more.
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Omega Centauri and Nearby Galaxies Widefield, Gabriel R. Santos (grsotnas)
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Omega Centauri and Nearby Galaxies Widefield

Getting plate-solving status, please wait...
Omega Centauri and Nearby Galaxies Widefield, Gabriel R. Santos (grsotnas)
Powered byPixInsight

Omega Centauri and Nearby Galaxies Widefield

Equipment

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Acquisition details

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Description

This image depicts the region around the magnificient globular cluster Omega Centauri - a beauty in binoculars and low-power eyepiece, more splendid in long exposure images, and even visible to the naked eye easily as a fuzzy "star". Furthermore, the field is enriched by the galaxy Centaurus A, in the left hand side of this image. The field also contains several background faint galaxies, visible as tiny discs or fuzzy stars. One notable object is visible just above the center of the image: to me, it appear as a edge-on galaxy, but I couldn't determine its catalog number from Astrobin's plate solve and from Stellarium objects. It is not in NGC nor Caldwell nor Messier catalog. It iis ESO 270-17 or PGC 47847.

EDIT: The galaxy described above is a real galaxy, not an optical abberation. It can be found in DSS: http://archive.eso.org/dss/dss/image?ra=13+34+35&dec=-45+32&equinox=J2000&name=&x=30&y=30&Sky-Survey=DSS1&mime-type=image%2Fgif&statsmode=WEBFORM

UPDATE: The galaxy above appears to be ESO 270-17.

Image acquisition with Backyard EOS; Mount control with EQMOD EQASCOM, StellariumScope and Stellarium; File handling and renaming in LR, Stacked with DSS, Post-Processed with Adobe Photoshop CC with HLVG and Color Efex plugins, final adjustments and exporting in Lightroom CC.

Constructive criticism, comments and suggestions are more than welcome in the comments section. Thank's for taking your time to look at this image.

Taken from Rural Skies (Bortle 3-4; NELM ~6.2; SQM ~21.55*), from Cristina, MG, Brazil (22ºS latitude).

Date and Time: July 4th, 2016, at 19:00 (7pm)

Camera: Unmodded Canon T4i/650D, at ISO 800

Lens: Tamron 70-200mm f/2.8, at 200mm and stopped down to f/3.5

Exposure Detail: 20x120s, or 20x2min, total 40 minutes

*SQM readings calculated from in-camera JPEG using Samir Kharusi method. See disclaimer in my Crux image.

*Revision -B- has more agressive stretching/curves and Detail Extractor adjustments. A little too bright and loonking overprocessed at100%, the image, however, is nice on regular screen resolution. What do you think?*

Comments

Revisions

  • Omega Centauri and Nearby Galaxies Widefield, Gabriel R. Santos (grsotnas)
    Original
  • Omega Centauri and Nearby Galaxies Widefield, Gabriel R. Santos (grsotnas)
    B
  • Final
    Omega Centauri and Nearby Galaxies Widefield, Gabriel R. Santos (grsotnas)
    C

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Omega Centauri and Nearby Galaxies Widefield, Gabriel R. Santos (grsotnas)