2023 June 01 Sun - Solar surface in white-light, with AR13313, AR13315, AR13316, AR13317, AR13318, AR13319, AR13320, AR1

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2023 June 01 Sun - Solar surface in white-light, with AR13313, AR13315, AR13316, AR13317, AR13318, AR13319, AR13320, AR1

文章 PTS » 週四 01 6月, 2023 23:29

2023 June 01 Sun - Solar surface in white-light, with AR13313, AR13315, AR13316, AR13317, AR13318, AR13319, AR13320, AR13321, AR13322, AR13323 and possible AR1332a.

Observation mostly through clouds.

Sunspot count: group=9 sunspot=47, R=137

Telescope: Baader Triband C9.25 solar telescope, 235 mm f/10 with Meade 0.63X reducer for whole-disc.
Camera : ASI1600MM Pro, cooled to -4.0C.
Filters: Baader Solar Film 3.8.

approximately north is up, east to the left
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