I had beautiful clear skies in Fishers, Indiana yesterday morning, so got out the 80mm and shot a few more disks. Not much is going on in white light, just AR 2670 continuing its progress across the disk, but Ca-K does show some proms, especially in the part inverted shots, and more plage around the AR.
WL, grey scale:
WL, pseudo colour:
Ca-K, grey scale:
Ca-K, pseudo colour:
Ca-K, part inverted:
Ca-K, part inverted + pseudo colour:
Best seen at full resolution.
I really hope some new ARs emerge before the eclipse, as the sun's disk might be quite bare come August 21, with this AR probably neatly facing directly away from us earthlings
August 8, 2017: More disks in Ca-K and WL
- michael.h.f.wilkinson
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August 8, 2017: More disks in Ca-K and WL
Solar kit: GP-C8 with Thousand Oaks Solar filter, APM 80mm F/6, Lunt Herschel Wedge, Solar Spectrum 0.3Å H-alpha filter, Beloptic Tri-Band ERF (80mm free aperture), Thousand Oaks 90mm ERF, Coronado SolarMax II 60mm with Double Stack Unit. Lunt straight B1800 Ca-K module.
- marktownley
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Re: August 8, 2017: More disks in Ca-K and WL
Good disks Michael!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
- Montana
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Re: August 8, 2017: More disks in Ca-K and WL
Looks like you are having a fun time away Michael great pictures
Alexandra
Alexandra