[AZ-Observing] Re: Faint nebulosities surrounding M42

>>  ...but even with 15 second exposures the trapezium shows a little
>>  blooming with my camera.

>>  ...I don't know how you can do it with a non-anti-blooming camera, though.


     Would there be any objection to using a small stop of, say, 2-3cm
aperture over the telescope and use the usual short exposures for 
such cases?

\Brian
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