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BULLETphotography
Photographing an Annual Eclipse
By Frank Zullo

portfolio picture 1

A solar eclipse occurs when the moon passes directly between the Earth and sun. If the moon is close enough, we are treated to a spectacular total eclipse revealing the corona and solar flares. However, if the moon is at a farther point of its orbit, as it will be during the May 20 event, it is not big enough to completely blot out the sun. At maximum eclipse a thin ring (annulus) of blinding light remains. The image above is from the May 10, 1994 annular eclipse I photographed in El Paso. That centerline narrowly missed the far southeastern corner of Arizona, but now 18 years later, a solar eclipse centerline will finally pass over our state. I say finally because the last time we saw one was back in August 27, 1821.

This will be a late afternoon eclipse. First contact for Arizona should be a few minutes either side of 5:30 PM MST with the sun about a quarter way up the western sky. Maximum eclipse will be a little more than an hour later and the show will end when the sun sets behind the horizon to the WNW. To find your local details, go to the May 20 eclipse page on the NASA Eclipse Website. You will see a map window with eclipse path. Navigate to Arizona and zoom in as much as you want. Clicking on the map brings up a window showing the times of all eclipse phases visible from that location. All times are based on a 24-hour, Universal Time (UT) clock. Subtract 7 hours to get Arizona Time (MST) or 6 hours if you go by Daylight Saving Time (MDT) used on the Navajo Reservation where the centerline mostly lies. The information window also includes the sun's altitude and azimuth for each eclipse phase. … [more]


Photo TipGet this month's tip and visit the Photo Tip archive for more ways to enhance your photograph. y... [more]

Featured Prints Many of the extraordinary images found in our award-winning magazine, scenic coffee-table books and calendars can be purchased as fine posters and prints. ... [more]

Vintage CoversArizona Highways covers have changed a lot over the years, from the first black-and-white image in 1925 to today’s full-color stunners. Explore their evolution in our gallery of vintage covers. ... [more]

Submit Photos Join our Flickr communitiy and take our photography challenges. ... [more]

 

Global Snapshots Send us a photo of you or someone you know posing with Arizona Highways. We'll post it on our website. It's that simple. ... [more]

Photo of the Day Your daily dose of  the landscapes, people, wildlife and events that make our state so uniqu. e... [more]

Photo ContestThe Winners Here, we present the best of the best from the 2012-2013 Arizona Highways Online Photography Contest. View our gallery now, and see winners in print in the September 2013 issue of the magazine. ... [more]

Photo Submission GuidelinesWe welcome photographic submissions of original transparencies, 35mm slides and high-resolution digital files that exhibit the high quality we demand from professional contributors. ... [more]

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