Contains:  Solar system body or event
Sunspots (20230620) - countless changes within 24h, firstLight

Sunspots (20230620) - countless changes within 24h

Sunspots (20230620) - countless changes within 24h, firstLight

Sunspots (20230620) - countless changes within 24h

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Description

Sunspots (20230620) - countless changes within 24h

Compared to the day before (20230619) many of the Sun's surface features observable in the visible spectrum changed, vanished or freshly appeared 'over night'.

Despite this day being the hottest of the year 2023 so far, with average seeing at best and predicted air turbulences and thunderstorms from an arriving cold front, my capturing session worked quite well. Good enough to use a drizzle integration in PlanetarySystemStacker (PSS) to increase resolution on a pixel base because the 90mm only aperture is of course limited by optical design for getting much higher and more detailed resolution.

On the other hand I can capture nice full Sundisk images yielding a nice overview and not too dependend on the (most of the time) limiting seeing.

Please compare the significant evolution of these activities over a couple of days:

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Histogram

Sunspots (20230620) - countless changes within 24h, firstLight