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Collimation with an Artificial Star?

Euan

By Euan
in Imaging - Discussion

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Euan

Euan

Posted
Posted

Hi folks

I've been trying to make use of my 8" Newt now that there are some good smaller objects up (M42, B33 etc). I've stuck to my EQ80 up until now due to the sheer pain of collimating it and trying to get as good a flat field as I can get with my refractor.

I've got CCD Inspector so I'm trying to use the collimation tool included, but what would be seriously handy, and wouldn't mean losing scarce imaging time would be to do this all during the day, or at night while it's cloudy.

Has anyone tried collimating using an artificial star? I can get it about 10-12m away from the scope is that far enough and how useful / accurate is it in reality?

Thanks

Euan

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