Image:Nebula-Barnard's-Loop-bw-inverse.jpeg

From Wikipedia, the free encyclopedia

Wikimedia Commons logo This is a file from the Wikimedia Commons. The description on its description page there is shown below.
Commons is a freely licensed media file repository. You can help.
Description

Barnard's Loop (catalogue designation Sh 2-276) is an emission nebula in the constellation of Orion which can be seen on the photo as a diffuse semi-circle. In this image the faint glowing hydrogen clouds spanning the whole constellation are visible. The photo was taken using the following equipement:

  • Telescope: Nikon AF 85mm f/1,8
  • Film: Kodak Royal Gold 400
  • Exposure: 10 min at f/2,8
  • Processing: Removing Vignetting and Unsharp Masking, inverting and equalizing of the red channel with Photoshop
English: Above photo of Barnard's Loop nebula in inverted black and white of the red channel; the loop can be seen now better
Source

Homepage of Homepage of Philipp Salzgeber

Date

29. Mar. 1997

Author

Philipp Salzgeber

Permission
(Reusing this image)

Philipp Salzgeber released the pictures under CC-BY-SA-2.0-AT, see bottom of http://salzgeber.at/astro/thumb.html (and before he also gave me the personal permission at forum.astronomie.de for GFDL-free usage)

Other versions Image:Nebula-Barnard's-Loop.jpeg (original color version)

Creative Commons License
Creative Commons Attribution iconCreative Commons Share Alike icon
This file is licensed under Creative Commons Attribution ShareAlike 2.0 Austria License

Diese Datei ist lizenziert unter der Creative Commons-Lizenz Attribution ShareAlike 2.0 Österreich

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeDimensionsUserComment
current18:33, 11 May 2005350×500 (96 KB)Arnomane (Barnard's Loop nebula inverse black and white, released under CC-BY-SA-2.0 by author)
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):