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02-07-2012, 01:15 PM - 3 Likes   #61
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Halo just after dawn at Loch Assynt.




02-07-2012, 02:24 PM   #62
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wow - a magical shot, Mark!
02-07-2012, 02:37 PM   #63
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QuoteOriginally posted by paulh Quote
wow - a magical shot, Mark!
+ 1 to that!
02-07-2012, 02:43 PM   #64
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02-10-2012, 04:39 PM   #65
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Some weird clouds a couple weeks ago...


02-13-2012, 07:09 PM   #66
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02-26-2012, 05:23 AM - 1 Like   #67
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lunar corona

Lunar Corona shot handheld with the DA55-300 on the K-5. Unlike the solar or lunar halo (which is caused by ice crystals), this is caused by water droplets, and you see a clear spectral separation of colors. It is also much closer to the moon (but the distance change with the droplet size).



It is actually easier to see the corona around the moon, because the sun is often just too bright.


Last edited by Douglas_of_Sweden; 03-08-2012 at 06:04 AM.
03-03-2012, 07:00 PM   #68
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Heavenly rays (above WalMart)

For artistic reasons I left the WalMart part out

03-08-2012, 04:48 PM - 1 Like   #69
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Some double rainbows from a few weeks back.











all taken handheld on the k100d, sigma 18-200 megazoom. click on images for exif data
03-08-2012, 05:01 PM   #70
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Nice rainbows Wolfiegirl.

The inner is called the primary rainbow and the other one the secondary. Note that the colors come in opposite order, because the light in the secondary rainbow was reflected one more time inside the raindrops.
The sky between the bows are as you can see a bit darker, because that is where the light that form the rainbows should have been if it had not been reflected in the drops and ended up as rainbows instead. That light has to be taken from somewhere.
03-08-2012, 05:03 PM   #71
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QuoteOriginally posted by Douglas_of_Sweden Quote
Nice rainbows Wolfiegirl.
The inner is called the primary rainbow and the other one the secondary. Note that the colors come in opposite order, because the light in the secondary rainbow was reflected one more time inside the raindrops.
The sky between the bows are as you can see a bit darker, because that is where the light that form the rainbows should have been if it had not been reflected in the drops and ended up as rainbows instead. That light has to be taken from somewhere.

Thanks Douglas of Sweden

Wow, thanks for the quick lesson! You are right! I didn't even notice the double rainbow were mirror images until you pointed it out! Fascinating!!
03-09-2012, 06:58 AM   #72
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You are welcome.
I started my career as a meteorologist, so besides sharing nice shots of sky phenomena, one of my motives with this thread is to spread a little bit of understanding of how these phenomena works.
03-09-2012, 04:14 PM   #73
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super cool! i'll have to go and dig out all my sunset shots etc and see if there are any interesting cloud formations etc that you can shed light on. i still remember learning about cumulus clouds in year 2 and being fascinated that all the clouds had different names and meant something
03-09-2012, 04:18 PM   #74
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QuoteOriginally posted by Douglas_of_Sweden Quote
You are welcome.
I started my career as a meteorologist, so besides sharing nice shots of sky phenomena, one of my motives with this thread is to spread a little bit of understanding of how these phenomena works.
Cool stuff, Douglas - thanks for the info!
03-29-2012, 11:22 AM   #75
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I took some shots of the crescent moon tonight and I really like this one. It is a crop, got lucky with the focus on this. This was taken before 19:00 from Randburg, South Africa - not quite inner city but lots of light pollution.

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