Image: Nebula-Barnard's-Loop-bw-inverse
Nebula-Barnard's-Loop-bw-inverse.jpeg (350 × 500 pixels, file size: 96 KB, MIME type: image/jpeg)
Description: Above photo of Barnard's Loop nebula in inverted black and white of the red channel; the loop can be seen now better
Title: Nebula-Barnard's-Loop-bw-inverse
Credit: Homepage of Homepage of Philipp Salzgeber http://salzgeber.at/astro/pics/orionbwinv.html
Author: Philipp Salzgeber
Permission: 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)
Usage Terms: Creative Commons Attribution-Share Alike 2.0 at
License: CC BY-SA 2.0 at
License Link: http://creativecommons.org/licenses/by-sa/2.0/at/deed.en
Attribution Required?: Yes
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