This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
Summary
DescriptionThe image of M81 in LRGBHa was taken by Satwant Kumar from the Stellar Skies Observatory in San Saba, Texas. .tif
English: The Bode's galaxy (M 81) was captured by amateur astrophotographer Satwant Kumar using an 8 inch Ritchey - Chrétien telescope. Hydrogen-alpha data is combined with the broadband red channel of the LRGB image in this image.
Date
Source
Own work
Author
Arjun1 2
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.