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George PreoteasaParticipant
And while on this thread, a halo I captured on a hike last weekend. BTW, I finally caved in and subscribed to LightRoom. Wink-wink.
George PreoteasaParticipantVery interesting and beautiful picture, Hans. I have been looking out for this phenomenon. So far no luck.
There is another phenom that I notice, maybe related. The sky is red/pink on the opposite side of the sunset or sunrise. Not much at 90 degrees. When I search for anticrepuscular, I only get “anticrepuscular rays”. How about anticrepuscular light.
Here is one shot. Notice the very clear sky.
George PreoteasaParticipantOn the mysterious star subject, google “skywriting” and click images to see possibilities. I did not see a star, like Don’s, but I have seen other pretty complicated designs.
George PreoteasaParticipantTexas, right? The lone star state.
George PreoteasaParticipantThank you for letting me know, Hans, I would have missed that. I am thrilled. And thanks to whomever picked it.
George PreoteasaParticipantThis picture makes me think of the saying “red skies in the morning, a sailor’s warning, red skies at night, a sailor’s delight.” Very nice, Hans!
George PreoteasaParticipantWow, like fingerprints!
George PreoteasaParticipantThank you Keelin, that means a lot coming from you.
Very nice deep blue ocean shot, I can see the surfers riding the wave.
George PreoteasaParticipantA different interpretation of clouds that look like waves.
November 14, 2018 at 3:21 am in reply to: Northern Lights – Aurora Borealis – Scotland – 4 November #308570George PreoteasaParticipantLaurence and Keelin, thank you for your wishes ad advice.
November 14, 2018 at 3:20 am in reply to: Northern Lights – Aurora Borealis – Scotland – 4 November #308569George PreoteasaParticipantDon, I am very grateful for all he advice you’ve given me.
George PreoteasaParticipantBeautiful shots, Hans and Keelin.
November 13, 2018 at 4:22 am in reply to: Northern Lights – Aurora Borealis – Scotland – 4 November #308419George PreoteasaParticipantThanks Don, these are very useful details. But I am still curious. Can you describe your steps when taking the pictures? What I mean, for example: you are inside (or in a tent or a car) where it’s not terribly cold. You put your camera on the tripod, probably turn it on and make some adjustments. Then you step out and find a scene. How long would you be out? How long did a battery last? (I have three, do I need more?) You’re saying that the camera itself was not affected by the temperature, so I guess you did not try to warm it up with chemical hand warmers. I wonder if you can shoot for 10 minute of for 30 or 60 minutes.
Thanks again for your advice.
George PreoteasaParticipantNice iridescence, Hans. The white clouds on the left look like the foam breaking waves leave on the beach.
The first rainbow picture above is pano that I had to risize a lot to get it under 3MB. But I have others, all taken with an iphone, so same focal distance, but different exposure. It will not be a great piece of art work, but I hope it will give a sense of the scope. That is whenever I get some time to learn how to do that :-)
George PreoteasaParticipantJust a note that all cumulus clouds (in a given situation) have the base at the same height. Cumulus clouds form by convection (large rising bubbles of air) and undergo a cooling process. When they reach a certain temperature, the vapor starts to condense, therefore the clouds form. Because the air mass is rather uniform, any of these “bubbles” will reach that temperature at the same level. And, as Hans says, the stacking effect is just a perspective effect.
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