16.06.2022 Afternoon imaging

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 Thursday 16th 65F, mostly sunny with some cloud. White haze around the sun. 

 15.11 [CET] First image. 912x912 16 bit. Some fine detail but awful, PST etalon sweet spot imbalance. Medium frequency thermal, bodily agitation.

15.23 Similar. It is difficult to see the imbalance of brightness on the monitor. Image constantly defocusing. Impossible to focus accurately.

15.32 Seeing becoming worse.  Some flaring.

 

 

 

 

 

15.43  67F. The seeing conditions are not improving. Flaring around the most eastward spot.

 

16.00 Unable to focus due to the agitated sky. Giving up for now.

 

17.10 Hoping for an improvement in seeing conditions. Slightly more stable on the monitor. Still agitated and defocusing.

 

 

 

17.47 Back to try again. Still horribly unbalanced brightness levels across the image. [PST sweet spot.]

 

 

17.56  That's better! Reset the etalon position by 2mm. Much more even.

 

 

 

 

 

 

 

18.07 Better. Still difficult to focus. With thermal agitation. Sky very white around the sun as it sinks towards the trees.

 

 

 

 

 

 

 18.34  Seeing still soft but steadier.

 

 

 

 

 

 

 

 

 

18.50 The sun has gone behind the trees.

 

 

 

 

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