2022 March 25 Sun - with AR12971, AR12972, AR12973, AR12974, AR12975 and AR12976.

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2022 March 25 Sun - with AR12971, AR12972, AR12973, AR12974, AR12975 and AR12976.

文章 PTS » 週五 25 3月, 2022 10:07

2022 March 25 Sun - with AR12971, AR12972, AR12973, AR12974, AR12975 and AR12976.

AR12971 is located at (N16W53). 1 sunspot is visible. Some faculae are also observed.
AR12972 is located at (S29W46). No sunspot is visible, leaving just some faculae.
AR12973 is located at (N19W09). No sunspot is visible.
AR12974 is located at (S19E39). About 5 sunspots are visible, embedded in faculae.
AR12975 is located at (N14E55). About 12 sunspots are visible, embedded in faculae. The leading sunspot has penumbra.
AR12976 is located at (N15E64). At least 16 sunspots are visible. The leading and following sunspots are huge with penumbra and split umbra.

Sunspot count: group=4, sunspot=34, R=74

H-alpha image from Big Bear, taken at 00:22 UTC
White-light image from SDO, taken at 00:07 UTC
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