This was part of an experiment in trying to guide accurately without an off-axis-guider. The PHD2 gurus reckon I'm gonna need one. So, with loadsa experimenting, tightening, spanners, Allen keys and that dry, early-hours-of-November Alicante chill, here are the results of the experiment. The conclusion can wait...
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| galaxy ngc891 in andromeda 700d + nt150l 35x360s @ ISO800 |
