Release-Note for uploaded image
16:9
Comet NEOWISE (C/2020F3)

HD (1365×768).....285KB (file name: wp77x.jpg)
Full-HD (1920×1080).....793KB (file name: wp77f.jpg)

Released date: Aug 23, 2020


Brief Description   The comet NEOWISE (C/2020F3) discovered on Mar 27, 2020 reached a maximum brightness of 1st magnitude in July 2020. This image captured the comet with 2nd mag. after moved to evening northwest sky. The comet has the synchronic bands in the wide-spread dust tail; and the thin and blued ion tail was stretched over 20 degrees. The image has been displayed by turning the celestial north direction to right.

Photography Condition
Date & Time... Jul 19 2020, from 20:29 to 20:48 JST(+0900)
   9 shots composed with 2min.exposed
Optical... AF zoom-Nikkor 80-200mm F2.8ED (f=135mm, stop: F4.0)
   with Kenko Starry Night filter
   Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera... Nikon D810A
   (ISO1600, recorded in 14bit CCD-RAW)
Location... Hitachi-oota city, Ibaraki pref.




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