Deme

joined 1 year ago
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[–] Deme 1 points 2 months ago

Thanks! Time really is the most important ingredient. Look at enough sunsets and sunrises with an adequate camera on hand, and every now and then a great scene will come up. After that it's just point and shoot.

 
 
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submitted 4 months ago by Deme to c/pics
 
[–] Deme 1 points 4 months ago
[–] Deme 2 points 4 months ago

Thanks! Yes, it is a photo. The moth was chilling on a window after sunset. The blue dots are out of focus apron lights.

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submitted 4 months ago by Deme to c/pics
 
[–] Deme 9 points 4 months ago* (last edited 4 months ago)

They sure don't tend to do that, but there are still mundane explanations for this. An unintentional collision between the satellite and another object being one of them.

"I find it hard to believe they would use such a big satellite as an ASAT target," McDowell said.

[–] Deme 12 points 4 months ago* (last edited 4 months ago) (1 children)

Not because of Kessler syndrome, just your run of the mill space debris reentering the atmosphere and increasing the amounts of certain metals up there that contribute to ozone depletion. In other words, that may well happen even if we're lucky and avoid Kessler syndrome.

[–] Deme 2 points 6 months ago

Posio, southern Lapland, Finland

[–] Deme 2 points 6 months ago

Posio, southern Lapland, Finland

 

This one turned out a bit more blurry, but the aurora itself is too good not to post here.

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submitted 6 months ago by Deme to c/pics
 

These guys danced accross the sky, reaching quite far into the southern sky as well. Picture taken on 4.4.. I'm just mad that while I had hauled my tripod with me, I had left the camera mount back home :))). I stuck a bench into the snow and steadied my hand against that. A couple of these turned out surprisingly well.

 
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submitted 6 months ago* (last edited 6 months ago) by Deme to c/[email protected]
 

Cirrus and Cirrostratus progressively invading the sky are a telltale sign of an approaching warm front. In this case it was an occluded front that was rolling in. It snowed that night.

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Snow shower [OC] (lemmy.world)
submitted 6 months ago* (last edited 6 months ago) by Deme to c/[email protected]
 

Don't be decieved by the anvil like shape, heavy looking precipitation and icy look of this cloud! This is far from the size and power of an actual Cumulonimbus. But it is interesting in that it fits every criteria of a Cumulonimbus capillatus incus, except the bit about considerable vertical extent for the genus. I'm quite sure that this guy didn't raise its head much above 2 km AGL.

I suppose it could be classified as a Cumulus of some sort, but it really doesn't fit well under any genus. Our systems of classification are just something that we made up. Clouds are under no obligation to conform to them. The same is true for everything else in the universe as well.

[–] Deme 1 points 8 months ago* (last edited 8 months ago)

Almost forgot to get back to you about that last part: Yes it did, but this wasn't that.

Here's a picture I took when the smoke was making a sunset unusually red:

[–] Deme 2 points 8 months ago* (last edited 8 months ago)

This was a telephoto at the horizon at around midnight. The sun was only a bit above the horizon, so the lighting was similar to a sunset/sunrise.

Here's another picture of that same midnight, looking towards the sun.

[–] Deme 1 points 8 months ago

Nah winters are beautiful up north. Sometimes also in the south, but only rarely around the southern coast.

[–] Deme 2 points 8 months ago
[–] Deme 2 points 8 months ago

You're welcome!

 

Picture taken in August 2022. Fluctus, also known as Kelvin-Helmholtz wave clouds, form when wind shear causes instability in the (usually the upper) surface of a cloud. The formation is short lived and relatively rare. It can also only be seen well from the side like here. This video contains a good explanation of the physics involved here.

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submitted 8 months ago by Deme to c/pics
 

Taken last summer from Riisitunturi, Posio, Finland.

 
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