collinsmark's latest activity
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I think the red ones are red skimmers. In the US, state extension services will often have ID guides for their local insects. Among... -
Once dragon flies land they can stay put for a while. I have a pond in the back yard. They come from aquatic larvae and seem to like...
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Some various shots... I've always liked dragonflies and damselflies, but I've definitely have got a whole new appreciation for them...
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collinsmark reacted to Andy Resnick's post in the thread Our Beautiful Universe - Photos and Videos with
Like.
Finally finished this panorama around Gamma cygni, ready for print: This covers about a 3 x 3 array of 400mm fields-of-view (14.6k x... -
Appears to be one of those Facebook things: No, an Austrian airport doesn't have a desk for travelers ...
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These few months have the best over land+water sunsets
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Soccer ball, the car:
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Last month, Britain's Royal Mail released a set of stamps honoring Monty Python: Old-timers here should note the reference to the...
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Why did the astronomer put meat in his shower?
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TIL about Ewin Howard Armstrong:
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collinsmark reacted to Stavros Kiri's post in the thread Stargazing Solar Activity and Space Weather Update thread with Like.
Tue Sept. 2, 2025 1. " GEOMAGNETIC STORM WATCH: A geomagnetic storm watch is in effect on Sept. 2nd as Earth passes through the wake of...
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