"Maxprop" wrote in message
ink.net...



Are those pressure rings in the photo, or just Fraunhoffers?

I've no idea!! What is a Fraunhoffer?


Nice nebula photo.

Thanks! It isn't too bad for a first attempt.
This is a much better effort :-
http://www.digitalsky.org.uk/DSO/M42-1024.jpg


Regards


Donal
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