So after an encouraging first night, things got a little frustrating with my second attempt.
I decided that M13 (a globular cluster containing several hundred thousand stars for those of you who don't know!) would be a good target. It's bright and easy to find, and it's well in the range of my equipment.
However, focussing became a real problem. It's my own fault really - I ignored people's warnings of 'you can't focus well through the camera's viewfinder', thinking I knew better.
Of course, all I got was blobs! The difficulty stems from the fact that even quite unfocussed images can look alright, when they're dimmed down by the glass in the viewfinder. So now I know...
Anyway, a quick entry into astrojargon.com and a snip or two with some scissors, and I've a nice homemade Bhatinov mask. Will test it ASAIOOTMLPM (As Soon As I'm Out Of The Massively Light Polluted Midlands.)
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