follow-up observation of comets on 15/16 oktober 2017

As follow-up, during the night of 15/16 oktober, i could observe some comets. I had some technical issues, frost was seen on the CCD-detector and also the weather wasn’t very well. Also some rain was disturbing my observation night. Comets that could be observed are: 47P, 139P, 352P, 361P, C/2015 ER61, C/2015 O1, C/2016 M1, C/2017 O1, P/2017 S5. After the observations i took my CCD-camera from the telescope for maintenance (regenerating dissicant)

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