Quote:
Originally Posted by Zuts
Hi,
Not sure what you mean here, Eta is a big mass of hydrogen and is supposed to be very red.
Paul
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Hi Paul
My 40DH filter cuts off at 700nm. This shows the Ha perfectly.
If I remove the filter and everything above 700nm is passed then I suspect the image would become even more red due to the extended IR wavelength.
check Mill's pic of M42 unprocessed.
