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Old 25-06-2018, 03:44 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,904
Yeah, true...
The object was to try to obtain a collection of "wide field" spectra and reasonable resolution in the single exposure.

The fast lens (f1.8) picks up the sky background quickly, it will be interesting to compare the results when using say f4 (just less than the Baader aperture)
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