2023 March 24 Sun - Solar surface in white-light, with AR13256, AR13257, AR13258, AR13259, AR13260, AR13262 and possible

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2023 March 24 Sun - Solar surface in white-light, with AR13256, AR13257, AR13258, AR13259, AR13260, AR13262 and possible

文章 PTS » 週五 24 3月, 2023 13:46

2023 March 24 Sun - Solar surface in white-light, with AR13256, AR13257, AR13258, AR13259, AR13260, AR13262 and possible AR1326a and AR1326b.

Observation through clouds. Seeing is bad.

AR13256, appears at (S22W07). 4 sunspots, embedded in faculae, are observed. The large sunspot comes with penumbra.
AR13257, appears at (S27E11). 2 sunspots with penumbra are observed, embedded in faculae.
AR13258, shows up at (N18W27). No sunspot is observed, leaving just patches of faculae.
AR13259, shows up at (S22E04). At least 8 sunspots are observed, embedded in faculae.
AR13260, shows up at (N20E13). About 7 sunspots are observed. The large sunspot comes with penumbra.
AR13262, shows up at (S18E53). 2 sunspots are observed, embedded in faculae. The leading sunspot comes with penumbra and split umbra.
Meanwhile, 2 new AR's are observed:
Possible AR1326a, shows up at (S16E16). Some 7 sunspots are observed.
Possible AR1326b is located at (N25W18) and comes with some 3 sunspots.

Sunspot count: group=7, sunspot=33, R=103

Telescope: Baader Triband C9.25 solar telescope, 235 mm f/10 with Meade 0.63X reducer for whole-disc.
Camera : ASI1600MM Pro, cooled to -12.0C
Filters: Baader Solar Film 3.8.

approximately north is up, east to the left.
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