2022 August 13 Sun - solar surface in Ca-K, with AR13071, AR13074, AR13075, AR13076, AR13077, AR13078, AR13079, AR13080

[PTS]

2022 August 13 Sun - solar surface in Ca-K, with AR13071, AR13074, AR13075, AR13076, AR13077, AR13078, AR13079, AR13080 and possible AR10308a and AR1308b.

AR13071 is located at (S18W64). 1 sunspot with full penumbra, and surrounded by plages, is observed.
AR13074 is located at (S17W27). The sunspots are observed, embedded in plages.
AR13075 is located at (N18W18). Patches of bright plages are observed.
AR13076 is located at (N16E02). The sunspots, embedded in plages are observed.
AR13077 is located at (S18W50) and comes with 2 sunspots, embedded in plages.
AR13078 is located at (S25E30). The large sunspot, with penumbra and split umbra, and embedded in plages, is observed.
AR13079 is located at (S11W15). The sunspots are observed, embedded in plages where flares are alos observed.
AR13080 is located at (N21W39). The sunspots are observed, among plages.
Meanwhile, 2 new AR's appear on the solar disc:
Possible AR1308a is located at (N12E57). Most of the sunspots are observed, embedded in bright plages where flares are also observed.
Possible AR1308b is located at (S08E47). 1 sunspot is observed, embedded in plages.

Sunspot count: group=9, sunspot=49, R=139

Telescope: Maxvision APO refractor, ED Triplet
Camera : ASI1600MM Pro, not cooled
focal length : 700 mm f/7
Filter: Lunt Ca-K Module B1200.
approximately north is up, east to the left.

[PTS]

Images of AR13080

[PTS]

Images of possible AR1308a and AR1308b

[Eddy So]