Re: [ATM] The standard aluminium coating: How much scatter?

["Mel Bartels" <mbartels@bbastrodesigns.com>]

> This whole scatter topic emerged when I read older german literature (~
> seventies and eighties) concerning prominence observing. The literature
> flatly dismissed reflectors as being incapable of showing them because of
> scatter due to the reflective coatings. Now, some years ago, a Newtonian
> reflector was adapted very successfully for prominence viewing, and I
> intend to try the same with my 110mm unobstructed Kutter reflector.

Because some light is scattered and renders reflectors largely incapable of
coronographic work should not be taken as proof that all the missing light
is scattered.  Also, scattered light is not the only drawback for Newtonians
when considering them as coronographs.

Mel Bartels


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