2021 January 03 Sun - solar surface in white-light, with AR12795

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2021 January 03 Sun - solar surface in white-light, with AR12795

文章 PTS » 週日 03 1月, 2021 12:13

2021 January 03 Sun - solar surface in white-light, with AR12795

As AR12794 is mostly on the backside.
AR12795 is very close to the SW limb today, located at (S17W65). There is just a lone tiny sunspot remaining, amid complex patches of faculae.
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+ Baader Planetarium G-band continuum.
approximately north is up, east to the left
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