2021 April 06 Sun - solar surface in H-alpha, with AR12813
AR12813 is located at (N20W54). Plages and filaments are visible.
The small sunspot is not visible in -alpha.
A small active region is visible near the E limb. Several bright plages are visible.
sunspot count: group=1, sunspot=1, R=11
Telescope: Lunt LS50T with B1200 blocking filter, and 2X barlow
Camera : ASI174MM
approximately north is up, east to the left
2021 April 06 Sun - solar surface in H-alpha, with AR12813
2021 April 06 Sun - solar surface in H-alpha, with AR12813
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Re: 2021 April 06 Sun - solar surface in H-alpha, with AR12813
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