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Beautiful Venus: a puzzle
Oct 12, 2015 09:46:41   #
ssymeono Loc: St. Louis, Missouri
 
I photographed the planet Venus three weeks ago zooming in and out with the SX-50. Most of the pictures came out as a bright circle in the dark sky but a couple of images surprisingly showed strange and out-of-focus patterns. I tried but couldn't get them in focus. I cannot decide whether this is an astronomical or photographic puzzle. Since we are not supposed to see the surface, I am inclined to think the patterns are light diffraction or perhaps digital cameras have the capacity of infrared penetration (?).



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Oct 12, 2015 10:14:54   #
GENorkus Loc: Washington Twp, Michigan
 
Novel to look at but as you said, it's out of focus.

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Oct 12, 2015 10:29:01   #
wingclui44 Loc: CT USA
 
ssymeono wrote:
I photographed the planet Venus three weeks ago zooming in and out with the SX-50. Most of the pictures came out as a bright circle in the dark sky but a couple of images surprisingly showed strange and out-of-focus patterns. I tried but couldn't get them in focus. I cannot decide whether this is an astronomical or photographic puzzle. Since we are not supposed to see the surface, I am inclined to think the patterns are light diffraction or perhaps digital cameras have the capacity of infrared penetration (?).
I photographed the planet Venus three weeks ago zo... (show quote)


It's not going to get any good image shooting the distant sky object but the large Moon with any big zoom bridge camera. A real telescope with tracking mounting is the real deal!

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Oct 13, 2015 11:09:33   #
Dlevon Loc: New Jersey
 
ssymeono wrote:
I photographed the planet Venus three weeks ago zooming in and out with the SX-50. Most of the pictures came out as a bright circle in the dark sky but a couple of images surprisingly showed strange and out-of-focus patterns. I tried but couldn't get them in focus. I cannot decide whether this is an astronomical or photographic puzzle. Since we are not supposed to see the surface, I am inclined to think the patterns are light diffraction or perhaps digital cameras have the capacity of infrared penetration (?).
I photographed the planet Venus three weeks ago zo... (show quote)


It will not be in focus when there's nothing to really focus on. As good as the SX50 is, it's not as good as other gear for what you're trying to do. You'll probably need to shoot through a telescope with a clock drive in order to get a decent image.

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