[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: DS24 analysis



On Tue, 28 Jan 2003 21:01:04 -0600, Michael Sallman
<msallman@pro-ns.net> wrote:

>Andrew,
>
>One question, just to let you know that someone read it :)
>
> >>So my proposal is to take a small number of (darks and) light box 
> >>flats every night: I would suggest combining with the previous and 
> >>following night's files (for median processing to eliminate cosmic 
> >>rays) to give as near as possible current dark/flat processing since 
> >>we know that the pattern does evolve, if only by moving the dust 
> >>around.
>
>If Tom is processing observations daily, how does he get the following 
>night's files?
>
>Mike

Patience!

Anyway, it is prbably totally unnecessary to keep
that closely up to date. I think I have shown that
using the old old old box flat increased the
processing noise from 0.0022 mags rms to 0.0026.

As my processing runs months behind, I don't
appreciate the urgency ...

Andrew Bennett, Avondale Vineyard