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Photographer:

Rod Pommier

Location of Photo:

Pommier Observatory, Portland, OR, USA

Date/Time of photo:

2020-07-27 07:00 UT mean time of exposure

Equipment:

: Celestron Super C8+ with f/6.3 focal reducer/corrector, Byers Drive. Camera: Canon EOS 20D. Exposures: Twenty-seven x 15 seconds at ISO 800.

Description:

This image of comet NEOWISE (C/2020 F3) taken July 27, 2020 at a mean time of 07:00 UT, shows the comet is beginning to fade from its former glory as it recedes from the sun. The tail is dimmer and less extensive than in the image from July 19, 2020 (seen several posts back). Despite this, the coma still has spectacular color, glowing teal-green due to the gasses carbon monoxide, cyanide, and diatomic carbon being stimulated by ultraviolet sunlight. The tail shows multiple streamers, one of which is the ion tail. The comet is drifting among colorful stars in the "hind legs" of the great bear, Ursa Major.

Website:

www.rodpommier.com

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