5.09.2021 Imaging between clouds.

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Sunday 5th 59F, bright sunshine with increasing could from the east. 

10.10 PST Etalon sweet spot variation in brightness and H-a band.

 

 

 

 

 

 

 

10.27 Rather steady seeing with drifting [soft] focus.

Struggling with the PST etalon sweet spot. [Dark band.]

 

 

10.34 [CET] Same problem. 

 

10.50 Cumulus cloud increasing dramatically. Wind becoming a problem blowing the telescopes! I need a steady image of the sun to tune the etalon-blocking filter by relative rotation.

 

 

11.22 Brief gap in the clouds.

 

 

 

 

 

 

 

 

 

 

 

11.41  Still struggling with the PST etalon. Note the dark band above the spot.
 

 

 

 

 

 

 

 

 

Conditions deteriorated steadily as the day wore on. The forecast was for later sunshine but that just meant 90% cloud cover. I can't even sneak in a five second capture. The seeing is too poor to bother anyway.

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