[AZ-Observing] Re: Flats and Bias
- From: Stan Gorodenski <stan_gorodenski@xxxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 17 Jul 2007 12:03:21 -0700
p.s.., I should have added that slewing the telescope greatly reduces
the integration time over a pixel of any star in a twilight flat and so
it seems one could completely eliminate the presence of stars for all
practical purposes.
Stan
Stan Gorodenski wrote:
>Brian,
>
>Finally, since there is always the danger of still imaging stars during
>the twilight, what about slow slewing the telescope in random directions
>as it is integrating? Am I correct that your reference to dithering is
>probably doing the same thing?
>Stan
>
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