collinsmark's latest activity
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collinsmark replied to the thread Our Beautiful Universe - Photos and Videos.1) Yes, this is true. Any blemishes on the lens/optics must be consistent between lights and flats. That's one reason why I take flats...
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Some more autumn colors... Autumn scene: Red leaves on a branch: One red leaf on a table: Green and red leaves: Autumn leaves...
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Just posted this pic I took, along with with the comment "If this is how they act in a parking lot, imagine how they'll act on your...
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Punctuation is important, peoples!
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collinsmark reacted to BillTre's post in the thread Share Animal Pictures: For Animal Lovers with
Like.
Not an animal, but fungi. Closer to animals than plants though. -
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collinsmark replied to the thread Our Beautiful Universe - Photos and Videos.Here's an image I captured last Tuesday night [Edit: actually, Monday night/Tuesday morning], a little less than a week before...
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collinsmark reacted to DennisN's post in the thread Our Beautiful Universe - Photos and Videos with Like.
It's interesting you are reporting this, and I think I know what you mean, actually. It seems to be a thing with macro lenses; I have...
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I passed this place in Wilkesboro NC today (er, yesterday). I wonder if they call their customers “buttercup”.
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collinsmark replied to the thread Our Beautiful Universe - Photos and Videos.Have you tried flat frame calibration? I'm a stickler for flats. Every deep sky image I've ever posted here I've processed with flat...
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collinsmark reacted to DennisN's post in the thread Our Beautiful Universe - Photos and Videos with Like.
A very nice video about the exciting Europa Clipper mission, which will arrive at Europa in less than five years (2030): Visiting the...
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Indeed
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In mm/dd/yy format, 9/16/25 is 32/42/52. In dd/mm/yy, it's 42/32/52, still Pythagorean, but not monotonically sequential.
