Collimation with OCAL 4.0
Just to illustrate how important scope collimation is, I seem to find myself writing more about this than about any other subject… But then again, having a properly collimated scope is of prime importance to any astronomer. There are numerous ways to collimate a Newtonian telescope, from a basic “Cheshire” eyepiece to fancy barlowed laser.…
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ZWO ASI camera and dew problems, how to fix it?
CMOS camera dew problems how to fix it.
How to make a DIY secondary heater
How to make a DIY secondary mirror heater
Adjusting and maintaining a Losmandy Titan Mount
how to adjust a telescope Losmandy Titan mount and periodic error
Achieving SCT thermal equilibrium
Hard data showing Schmidt Cassegrainian Telescope cooling time and temperature profile
Star tracking with ASI662-MC camera
Startracking calibration procedure under MaximDL
A worm’s story (or star tracking on Titan mount)
Did you ever wonder how accurate was star tracking on your mount?Well, while imaging, I noticed that the autoguider tended to always correct in roughly the same direction even though I knew my polar alignment was near perfect. Strange…So, I finally decided to look into it (little did I know what can of worms, literally,…
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