AR 1987 and AR 1989
Taken by Paolo Pognant on February 23, 2014 @
MPC 476 Grange Observatory, Bussoleno (TO) ITALY
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: Unavailable
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Details:
Petzval refractor 140 mm with O III filter, Baader foil and IR cut.
Median of 32 frames with QHY5V planetary camera (IRIS processing).
Imaging at 9:30 UT, Sun height only 25 degrees.
Photographer's website:
http://grangeobs.net
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