Contains:  Solar system body or event
Sunspots 2835 and 2836 7/02/2021 at 12:25 MDT, Steve Lantz

Sunspots 2835 and 2836 7/02/2021 at 12:25 MDT

Acquisition type: Lucky imaging

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Description

I had blue skies, but it was windy and the daytime seeing was worse than usual (1 or 2 out of 5). But I wanted to test the Baader solar continuum filter with my now-functioning planetary camera (new cable) at a high magnification. Considering the conditions, the result was pretty decent. I watched each of the five videos of about 1260 frames carefully to spot bits of better seeing and ended up using 100 frames for stacking out of the total of about 6300. Each video was 20 s, yielding a fps rate of 70. Overall, I think the filter brought out the solar granulation well and captured quite a bit of detail in the sunspot. Honestly, it is so weird to think that what looks like such a dark entrance into an evil cave that lies beneath is really a bunch of plasma at temperatures above 3000K! It only looks black because the surrounding gases are so much hotter.

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Sunspots 2835 and 2836 7/02/2021 at 12:25 MDT, Steve Lantz