2023 May 20 Sun - Solar surface in white-light, with AR13301, AR13302, AR13305, AR13307, AR13308, AR13309, AR13310, AR13

[PTS]

2023 May 20 Sun - Solar surface in white-light, with AR13301, AR13302, AR13305, AR13307, AR13308, AR13309, AR13310, AR13311, AR13312 and AR13313.

AR13301 shows up at (N14W68). No sunspot is observed, leaving just patches of faculae.
AR13302 shows up at (N18W61). 1 sunspot with full penumbra is observed, embedded in faculae.
AR13305 shows up at (N12W60). At least 11 sunspots are observed, embedded faculae. The leading and following sunspots come with penumbra and split umbra.
AR13307 shows up at (S09W23). No sunspot is observed, leaving just patches of faculae.
AR13308 is located at (N12W44). At least 10 sunspots are observed, embedded faculae.
AR13309 is located at (S18W80). 1 sunspot is observed, embedded in faculae.
AR13310 is located at (S20E45). 3 sunspots are observed, embedded in faculae. The large leading sunspot comes with penumbra and split umbra.
AR13311 is located at (N17E57). At least 25 sunspots are observed, embedded in faculae. Most come with penumbra and split umbra.
AR13312 is located at (S25E67). About 5 sunspots are observed, embedded in faculae.
AR13313 is located at (N22E72). A large sunspot with full penumbra and embedded in faculae, is observed.

Sunspot count: group=8, sunspot=57, R=137

Telescope: Baader Triband C9.25 solar telescope, 235 mm f/10 with Meade 0.63X reducer for whole-disc.
Camera : ASI1600MM Pro, cooled to -6.0C.
Filters: Baader Solar Film 3.8.

approximately north is up, east to the left.

[PTS]

Images of AR13308

[PTS]

Images of AR13309 and AR13310

[PTS]

Images of AR13311, AR13312 and AR13313

[Eddy So]