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Just wondering what peoples thoughts are on the pro's and con's of the different types of mounts out there? Do Dobsonian mounts have issues on non-flat surfaces (like a garden) or can Equatorial mounts ever have issues getting out of line too easily?
As my GoTo is successfully finished (some cosmetic issues remain) I shoud focus my attention on planets' positions. I have proper source of information: fantastic book "Astronomical Algorithms" by Jean Meeus, thus I will sort the planets soon. But planets are not a challenge for me at this moment, they are just something obvious to do in my list.
I have another idea and ambitious plan for next project within the year: locating and tracking the ISS to be able to make a video of its fly, not only transition.
Similarly to other objects, I need some equations. I'm pretty sure they are available somewhere, because plenty websites or apps offer showing current position of the ISS.
I will use this topic for sharing a progress ot the project.
I've set my scope up on it's pier in my ROR observatory, done a few drift aligns and started to take some images.
I've noticed a 'quite' regular dip in my DEC line on several nights.
Would anyone be able to have a quick scan of my log and offer any insight?
Could it be backlash? Could it be something with each rotation of the gears? Faulty tooth?
It is quite regular, although not always, and always in the same direction.
It doesn't seem to be adversely affecting imaging yet, but I've not tried anything too taxing.