Today's Image

2017 sky optics, Hong Kong

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December 27, 2017

View larger. | All photos by Matthew Chin.

Our friend Matthew Chin in Hong Kong posted this composite image to EarthSky Facebook earlier this month. Matthew writes a blog on optical phenomena, visible in and around Hong Kong’s skies. This image represents his summing up for 2017:

1) 07/29 Iridescence Cloud
2) 07/08 CZA- Circumzenithal Arc
3) 08/05 Rainbow
4) 07/19 CHA- Circumhorizon Arc
5) 07/24 UTA- Upper Tangent Arc
6) 09/24 Twin Rainbow
7) 09/07 Lunar Corona
8 ) 07/13 Lunar Halo
9) 05/12 Sun Halo
10) 07/12 Moondog / Lunar Arhelic Circle

Thank you, Matthew!

Bottom line: Optical phenomena seen in the sky over Hong Kong in 2017.

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December 27, 2017

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Deborah Byrd

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About the Author:

Deborah Byrd (asteroid 3505 Byrd) helps edit EarthSky.org and is a frequent host of EarthSky videos. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named in her honor in 1990, a Public Service Award from the National Science Board in 2003, and the Education Prize from the American Astronomical Society in 2020. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.