2022 August 17 Sun - solar surface in white-light, with AR13074, AR13075, AR13076, AR13078, AR13079, AR13080, AR13081, A

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2022 August 17 Sun - solar surface in white-light, with AR13074, AR13075, AR13076, AR13078, AR13079, AR13080, AR13081, A

文章 PTS » 週三 17 8月, 2022 11:52

2022 August 17 Sun - solar surface in white-light, with AR13074, AR13075, AR13076, AR13078, AR13079, AR13080, AR13081, AR13082, AR13083 and possible AR1308a and AR1308b.

Rain abruptly stop observation of the individual AR's.

AR13074 is located at (S17W77). 2 sunspots are observed, with some faculae.
AR13075 is located at (N18W75). No sunspot is observed, leaving patches of faculae.
AR13076 is located at (N15W50). No sunspot is observed, leaving patches of faculae.
AR13078 is located at (S23W19). At least 10 sunspots, all lumped together like a huge sunspot with split umbra and penumbra, are observed.
AR13079 is located at (S11W67). Some 4 sunspots, embedded in faculae, are observed.
AR13080 is located at (N13W80). 2 sunspots are observed, embedded in faculae.
AR13081 is located at (N12E04). At least 10 sunspots are observed. The leading sunspots come with penumbra and split umbra.
AR13082 is located at (N27E48). Some 10 sunspots are observed, embedded in faculae.
AR13083 is located at (S24W30). Some 4 sunspots are observed.
Meanwhile, 2 new AR's show up on the solar disc:
Possible AR1308a is located at (S09E45). 1 sunspot is observed, embedded in faculae.
Possible AR1308b is located at (S19E75). 1 sunspot is observed, embedded in faculae.

Sunspot count: group=9, sunspot=44, R=134

Telescope: Maxvision APO refractor, ED Triplet
Camera : ASI1600MM Pro, not cooled
focal length : 700 mm f/7
Filters: Baader Solar Film 3.8.
approximately north is up, east to the left.
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