2023 January 30 Sun - Solar surface in Ca-K, with AR13198, AR13199, AR13200, AR13201, AR13203, AR13204, AR13205, AR1320

[PTS]

2023 January 30 Sun - Solar surface in Ca-K, with AR13198, AR13199, AR13200, AR13201, AR13203, AR13204, AR13205, AR13206 and possible AR1320a.

AR13198, appears at (N26W79). No sunspot is observed, leaving just some plages.
AR13199, appears at (N16W68). No sunspot is observed, leaving just some plages.
AR13200, appears at (N21W30). No sunspot is observed, leaving just some plages.
AR13201 appears at (N24W12). 1 sunspot with full penumbra and embedded in plages, is observed.
AR13203 appears at (N17W26). No sunspot is observed, leaving just some plages.
AR13204 is located at (N25W48). About 6 sunspots are observed, all embedded in plages. Both leading and following sunspots come with penumbra and split umbra.
AR13205 is located at (S24W50). About 5 sunspots are observed, all embedded in plages. The leading sunspot comes with penumbra and split umbra.
AR13206 is located at (S22E57). About 6 sunspots, embedded in plages, are observed.
A new AR, possibly AR1320a is located at (S13E85). 2 sunspots, with penumbra and embedded in plages, is observed.

Sunspot count: group=5, sunspot=20, R=70

Telescope:
For whole-disc: Sharpstar AL80 II refractor, ED Triplet
focal length : 500 mm f/6.25
Camera : ASI1600MM Pro, cooled to -18.0C
Filters: Lunt Ca-K Module B1200.

approximately north is up, east to the left.

[Eddy So]