[Comm2011] OCAM2 daily log day 4

[Gijs Verdoes Kleijn]

Thanks John,

Our first analysis of the g twilights at 4 rotator angles indicate it 
will be useful to have:
for r 4 rotator angles twilights (alternative i)
domeflats at same rotator angles.

See you Sunday.
Cheers, Gijs


Op 10-6-2011 12:29, John P. McFarland schreef:
> Hi All,
>
> Tonight we managed to get sky flats in g and r.  Following the guiding 
> testing where VST responded well to the corrections, a monitoring 
> template was taken with the ADC out and then in, checking the focus in 
> between. Following this, the linearity test was started.  The night 
> was initially photometric, but very light clouds were visible during 
> at least part of the linearity exposures.  Also, the long (800 second) 
> exposures show the effect of significant tracking errors.  Please 
> check if these are still useful. If not, we can use 10, 100, 200, and 
> 400 second exposures for the linearity instead.  Following these 
> observations, there was only enough time for one 32 CCDs exposure with 
> the ADC in.
>
> Cheers,
>
>
> -=John
>
>
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|dr Gijs Verdoes Kleijn         |   astronomer                     |
|e-mail: verdoes at astro.rug.nl   |   OmegaCEN / Kapteyn Institute / |
|www: www.astro.rug.nl/~verdoes |   Target                         |
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