Twilight Yellow Arch, Moon and Venus
Taken by Helio de Carvalho Vital on May 22, 2015 @
Rio de Janeiro, Brazil
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Camera Used: Canon Canon PowerShot SX60 HS
Exposure Time: 1/50
Aperture: f/3.4
ISO: 800
Date Taken: 2015:05:22 17:38:03
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Details:
On May 17, I observed another Calbuco sunset and explained that they could be due to aerosols that had circumnavigated our planet. Telltale signs of the presence of volcanic aerosols were back during evening twilight yesterday in the peculiar form of an unusually bright yellowish glow in the western sky just after sunset, framed by prominent yellow and pink arches. This time though, I could not see the lingering pink and purple glows high in the sky and that suggests that the aerosols were situated in the troposphere only. Apparently, fragments of the original plume are now very tenuous and dispersed leftovers of the debris injected into the atmosphere by the three most recent eruptions of Calcubo. The photos were taken around 20:40 UT with a Canon PowerShot SX60 HS camera.
Photographer's website:
http://https://www.flickr.com/photos/98669508@N03/
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