Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  37 Cyg)  ·  The star Sadr (γ Cyg
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Sadr - Testing During Moon, Peter Graf
Sadr - Testing During Moon
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Sadr - Testing During Moon

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Getting plate-solving status, please wait...
Sadr - Testing During Moon, Peter Graf
Sadr - Testing During Moon
Powered byPixInsight

Sadr - Testing During Moon

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Description

Moon is here, time to do some testing as the mount showed some weird behaviour during the previous imaging sessions. Time for Sadr ;-)
  • The CNC machined secondary spider works really smoothly, which is a real improvement for the 150PDS. If out of focus, the double spikes are an additional visual feedback.
  • Should maybe also get a mask for the primary mirror, to further reduce diffraction.
  • Primary Mirror Mask successfully added in Revision B ;-)
  • The Optolong L-Pro does indeed have some reflections that can only be dealt with in post-processing at greater expense, as the case may be. Maybe it is time to check a filter upgrade.
  • Strangely, the mount sometimes pauses before slewing, which I cannot reproduce. ASCOM says "slewing", the mount does nothing. Sometimes it recovers after some seconds, sometimes a restart of the mount does the trick. Perhaps the cables should be replaced first, if that is the problem.

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Sadr - Testing During Moon, Peter Graf