SUNSET: 
0
Photographer:
Location of Photo:
Elk Park, near Jackson Hole
Date/Time of photo:
2017/08/21 17h36 UT
Equipment:
Maksutov telephoto lens, focal : 500mm stopped at F:D = 6.3 on tar Adventurer equatorial mount. Camera Sony Alpha 7s
Description:
4 radial blur pics series of 2° (65 pics), 5° (80 pics), 10° (74 pics), 15° (5 pics). Exposuress : 1/250e sec (100 ISO) to 1/20e sec (3200 ISO)
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