Collimating a Newtonian Scope

I shied away from using Newtonian scopes for imaging for ages as I listened to all the bogeymen stories online about how difficult they were to collimate, especially at faster FRs. My first imaging scope was a reflector – a Skywatcher ED80 – and, although I loved it and learned to image well with it, […]

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Creating a darks library

Calibration files are very important for producing low noise, high Signal-to-ratio (SNR) master light files for stretching. They are even more important, in my opinion, when shooting multiple shorter exposure subs on a CMOS sensor. Having quality dark files is therefore something we all need – the problem is, they need to be consistent with […]

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