400mm f6.8 ODK, ST10XME, J/C Filters 240 second exposure through Rc filter. GPS time control. Observation started in twilight. Variable conditions, data gaps due to removal of cloud affected frames.
400mm f6.8 ODK, ST10XME, J/C Filters 240 second exposure through Rc filter. GPS time control. Clear to start but passing clouds from 22:00UT. Gaps due to removal of cloud affected frames.
400mm f6.8 ODK, ST10XME, J/C Filters 180 second exposure through Rc filter. GPS time control. High thin clouds before ingress and then again for second half of observation. Near full moon.
