ClarkVision Photography: Night Gallery

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image M33-400-a.jpg is Copyrighted by Roger N. Clark,

Galaxy in Triangulum, Messier 33

400 mm f/6.3 103a-F 35mm film, approximately 1 hour exposure. 4000 dpi scan.

The Exposure Factors, CEF, CEFA are measures of the relative amounts of light received from a subject. It can be used to fairly compare wildly different lens/telescope apertures and exposure times. For this image:

To learn how to obtain stunning images like this, please visit my Extensive Articles on Photography .

Keywords to this image = astrophoto-1 galaxy Messier night low-light digital_astro

Image ID: M33-400-a.jpg

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Last updated March 10, 2024