Things that affect good tracking: Pt.1

Chris Heapy
Macclesfield
Televue NP127is, 10-Micron GM2000HPS-II, Moravian G4-16000
This Owl has decided my scope is a good perch from which to hunt mice etc., he keeps coming back and I need to figure some way of discouraging him from ruining my 30min exposures!
2016-09-11T00:00:00