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Try increasing gamma if dark sections aren't distinguished

Sunday, February 6, 2022

spiked sunspots

 unusual spiked sun spots saturday morning ;)

spiked sunspots 2/5/2022 15:55 UTC


according to google they are spiked seed capsules from the gum tree.  if you look closely, there are a few real sun spots, also a prominence at the bottom edge blocked by branches.  here's the prominence a few minutes later:

solar prominence 2/5/22 16:00 UTC
the over exposed central portion has been digitally occluded.  unfortunately shorter exposures to capture detail on the face did not come out well. 

spoiler--annotated true sun spots and prom (click for full size):


Image details:
Ha Lunt 60 PT double stacked
zwo ASI 174MM
manual tracking on alt-azm mount
spiky spots are single frame captures
prominence: 
20 sec capture
FPS (avg.)~48
Shutter~2.283 ms
Gain=234 
East Bluff, CA
2/5/22 15:54-16:00 UTC

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