Quote:
Originally Posted by ericwbenson
Man And of course the kicker is narrowband. Narrowband has the most bang for the buck in light polluted skies (again the irony) but check the QE of a OSC at 653 nm (HII wavelength), not pretty.
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Nup, Has never been an issue (at all). Sii is another story but even for a mono it's demanding.
Quote:
Originally Posted by ericwbenson
So IMHO if someone is interested in taking pretty pics of the brighter nebulae, a DSLR is way cheaper (what's my ancient 350D worth these days?), does an pretty good job, and easier to justify to your better half than an astro OSC.
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I don't think so. A cooled OSC wil perform better with less fuss.