Quote:
Originally Posted by Placidus
The camera + filter wheel + guider weighs about 10 kg, was 2.5 metres up in the air, comes off as a single unit (after undoing 4 bolts), and is at an awkward angle, discouraging safe removal. Yesterday we positioned the scope to be pointing at the zenith, made a giant stand to go under the camera combo, removed, disassembled and cleaned the filter set. Found the main blob and some others. We could see more dust landing on it, even while we worked. But now we understand what was causing it, and have a system, we should have less trouble in future.
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From Mike and Trish's in-dome camera
Great result guys, a lovely image of this galaxy, a few warts but meah you like using only your own software so se la vi, still a fantastic image I recon
The lovely image scale always makes it a treat for us lower image scale plebs
Mike