collinsmark's latest activity
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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.
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collinsmark reacted to Andy Resnick's post in the thread Our Beautiful Universe - Photos and Videos with Like.
We've had an unseasonal stretch of clear nights and good seeing conditions for the past week or so. Since there's currently nothing...
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collinsmark reacted to Andy Resnick's post in the thread Our Beautiful Universe - Photos and Videos with Like.
I had to get up pretty early for these: Taken @ 800mm (f/8), these are about 1:2 or 1:3 downsized. Upper image @ 1/60s ISO 200...
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You have to wonder what incident prompted this sign... Seen at my new workout pool in Santa Cruz:
