2021 February 23 Sun - solar surface in H-alpha, with AR12803, AR12804 and AR12805
Lots of new activities show up on the solar surface in the past 24 hours.
AR12803 is still active with large patches of plages. Only one or two micro flares are present. The AR is mainly surrounded by filaments, a few that come from the center are very dark.
AR12804, located at (N20W06) has been evolving and as this morning. Lots of flare activities are observed. A fan-shape westward outflow from the leading sunspot is visible.
Another new AR shows up at (S22W00), right on the meridian. Bright flares are observed. Many dark filaments are observed to come, and then dispersed, from the sunspots.
sunspot count: group=2, sunspot=11, R=31
Telescope: Lunt LS50T with B1200 blocking filter, and 2X barlow
Camera : ASI174MM
approximately north is up, east to the left
2021 February 23 Sun - solar surface in H-alpha, with AR12803, AR12804 and AR12805
2021 February 23 Sun - solar surface in H-alpha, with AR12803, AR12804 and AR12805
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Re: 2021 February 23 Sun - solar surface in H-alpha, with AR12803, AR12804 and AR12805
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Re: 2021 February 23 Sun - solar surface in H-alpha, with AR12803, AR12804 and AR12805
Images of AR12805
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Re: 2021 February 23 Sun - solar surface in H-alpha, with AR12803, AR12804 and AR12805
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