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I have similar exposures on M33, reprocessed from negatives shot on PJM
awhile ago (1998) ...I took attention into getting more detail in the core....you
may be able to do the same with your negs...I also left my first attempt
at digital processing on the site as a nostalgic comparison...I think all
my old negs need some attention...even this one I have another two negs
I can add for even more core enhancement.
http://members.iconn.net/~mgartlan/M33a1.htm m.g. Marco Lorenzi wrote: Hi All, I have just uploaded a couple images taken through my WO 100 f/8 reduced to f/6.4.M31 is a stack of two images 50 minutes each plus one of 5 minutes used to mask the core.http://www.astrosurf.com/lorenzi/images/m31.jpgM33 is a single image of 50 minutes.http://www.astrosurf.com/lorenzi/images/m33.jpgThe Provia 400F seems to be very sensitive to blue light but not very much to the red one, apart of course from intense light sources (M42, M8...). I am looking to take a couple of exposures of M31 also on E200, in order to better balance it.I have still to process other images taken on Provia 400F and one is on the Veil Nebula, so I should see its OIII response. Unfortunately these days I am quite often not at home and therefore I don't think I'll put anything online before a couple of weeks.Marco --
Email: mgartlan@iconn.net
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