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Hi. Newbie question here;
I have just purchased a Skywatcher Esprit 120ED triple APO, and an ASI120mini, and today an ASI2600mc.
I first tried the ASI120mm mounted, and took some shots at the pinwheel galaxy a couple of days ago. I got a dot in every photo as you can see, but didn’t bother since I was waiting for the ASI2600.
Then, today I tried out the ASI2600mc (in daylight and cloudy wheather), and I got similar dots. I tried to clean the front of the scope, the flattener and the asi2600mc, but the dots keep coming. How do I get rid of them??
I am thinking about placing an order for a Slywatcher Esprit 120ED, but keep holding back on pushing the buy button because I am just a little nervous about how much extra work it is going to be. I will be using the scope for imagining, primarily for getting more close in shots of galaxies / star clusters and maybe for allowing myself to image Jupiter / Saturn (with a 4x barlow attached) and get more than just a small dot .
This scope weighs in at ~10kg, so once I have got my ADM dovetail, camera etc on it, let say that takes it up to ~15kg (33 pounds), so that is approximately half the capacity of the CEM60 so hopefully the mount should be able to cope with this Ok; although I am slightly nervous about this statement?
Does anyone know how much more difficult it is going to be setting up and using this scope, compared to an 80mm refractor which is F6 (the 120ED is F7)?
Will guiding be much harder (currently use the OAG on the Atik One 6.0)?
Will balancing be hard / more critical?
Are my expectation about the extra detail I am going to see in smaller things be OTT, because I will be forced into doing shorter exposures, on a scope which has a bigger F ratio?
Basically, has anyone else done what I am planning on doing it and ended up regretting it, or did they love the new scope and everything new it brings to the table :-)
Attached is a quick FOV of the two scopes:-
Any advice / warnings gratefully received,