Quote:
Originally Posted by rustigsmed
nice work Marc - going for some extreme focal length and colour!
LP filter sounds like a goer.
cheers
russ
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Thanks Russel. I have a couple so I'll have to look for the bandpass. I also wonder if the duo band I have would give me some kind of exploitable LUM for blue and red. No doubt the red Hii regions would turn up. Not sure about the blue star forming regions in the arms with the Oiii. Will give it a go anyway next night of good seeing we have.