2021 March 16 Sun - solar surface in white-light, with AR12808 and AR12809

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2021 March 16 Sun - solar surface in white-light, with AR12808 and AR12809

文章 PTS » 週二 16 3月, 2021 12:58

2021 March 16 Sun - solar surface in white-light, with AR12808 and AR12809

AR12808, located at (N19W07), is today a single Class-A sunspot.
AR12809 is located at (S22W42). This AR has become active yesterday, but no sunspot is visible. Some faculae is observed.
sunspot count: group=1, sunspot=1, R=11

Telescope: Celestron C5, 127mm f/10 Schmidt-Cassegrain
Camera : ASI1600MM Pro, not cooled
focal length : 1250 mm f/10
Filters: Baader Solar Film 5.0
approximately north is up, east to the left
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