16.12.2021 AR2907, 8 & 9

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Thursday 16th 41F, otherwise clear but with a bank of cloud across the low sun. 

10.30 [CET] Still waiting for the sun to clear. Optics dewed again. Dew bands on full. Removed D-ERF cell and blasted this and the objective with the hair drier.

10.41 Sun still obscured. The neighbour's tree is blocking the sun too.

11.32 [CET] First [poor] image of chain of spots. It has taken this long to clear the dew. Image shaking with thermal agitation.

12.18 [CET] Removed the intermediate IR/UV protective filters. Demisted the etalon. It was soaked in dew. Small, soft spot of dew still left on the objective. Violent HF thermal agitation. Soft image.

 

 

12.38 [CET] No protective filters. [Just D-ERF] Mono16 capture. The ARs are very active with lots of flaring. 

 

 

 

 

 

 

Paused at 13.00 for lunch. The image would not sharpen. The sky looks misty white around the sun.

13.30 Sun is just above the house roof. The seeing has not sharpened at all. 

14.00 I tried as many different things as I could but there is no improvement in image quality.

I'm giving up for today.

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