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Copyright and how to purchase prints    

Yours truly

Copyright and Reproduction Policy

All material on this site is copyright, 1998 - present by Bert Katzung unless otherwise noted. 

No image or text may be reproduced without explicit permission.


    If requested, I will usually make the images on this web site available for educational noncommercial and nonreligious use without charge as long as appropriate credit is given (something like "Photo by Bert Katzung, [year]" or "Photo from www.astronomy-images.com, [year]"). Clubs, schools, science museums, planetaria, etc, are welcome to request such use at no charge with the same crediting provision and if desired, I can supply files of higher resolution.  Commercial and for-profit users should contact me at mailto:katzung1@comcast.net  with a description of their proposed use.

    If you are interested in purchasing a high-quality print, please see my VisionLight gallery at 


If you are interested in purchase of images not on the VisionLight site but shown on this site, please  click here.

Bert Katzung

Last updated April 2007