<https://stargazerslounge.com/topic/310043-has-anyone-seen-this-effect/#comment-3391291>
<http://schema.org/text>
"Yes the first thing I did was have a look down the OTA for marks and it gives a nice magnified view of the sensor which was unobstructed (I thought it might be icing or something but no)\n \n\n\n\tDew shields are all tight and there is no roof to get in the way so sadly I'm at a loss too!\n \n\n\n\tI just noticed Neil's edit and I guess the moon could possibly have been having an effect. I'll update following the next clear night - probably November!\n \n"
<https://stargazerslounge.com/topic/310043-has-anyone-seen-this-effect/?tab=comments#comment-3390936>