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ابر دانه های سطح و لکه ی 1515


AR 1515, it was a very active sunspot visible in lower right, so powerful that erupted energy of around 10^4 Mev 6 times during the last 48 hours (5-6 july 2012) along with AR1513-1518-1519
Title ابر دانه های سطح و لکه ی 1515
Hit 1267
Location شیراز
Camera NIKON D5100
Telescope 10"
F 4.7
Exposure 1/320 sec
Filter 9.8x9.8cm BAADER AstroSolar
ISO 100 bias -1
Photography Techniques prime focus without t-ring
Date of photography July 7, 2012


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