[Comm2011] OCAM2 observing schedule input

[John P. McFarland]

Hi Gijs,

Thanks for the input.  I will tackle these as I can.  The ADC is only now 
available, so I will do the polar field with and without as soon as I have 
the opportunity.  The photometric conditions tonight seem a bit more 
promising for the linearity, but that remains to be seen.  Is it necessary 
to do all 32 CCDs in all key+z,V,B, both with the ADC in and out (7*32*2), 
or just one or two filters with the ADC (the requirement doesn't mention the 
ADC)?  If so, that will take some time.  If you have looked at the set I 
have already taken and know which ones definitely need to be redone, please 
let me know that as well.  Thanks!

Cheers,


-=John


On Thu, 9 Jun 2011, Gijs Verdoes Kleijn wrote:

> Hi John,
>
> As input for your observing schedule we propose from here:
> -Flux linearity: photometric conditions required
> -SA on 32 chips with ADC in under photometric conditions. (What is ADC
> status)
> -polar field with and without ADC might be useful as well.
> -If time permits: choose one of the Southern SDSS standard fields
> depending on your available RA: see
> http://www-star.fnal.gov/Southern_ugriz/www/Fieldindex.html
>
> This is telegram style: let me know if you need more help/info from here
> in preparing the above.
>
> Best wishes, Gijs
>
>
> John P. McFarland wrote:
>> Hi All,
>>
>> Tonight was quite a productive night.  Unfortunately the Toelner is
>> still not responding, so no new quick checks (despite the 51 test
>> quick checks) or 4-angle dome flats.  The problem will hopefully be
>> solved today.  Andrea, Koen, and Dietrich arrived tonight and worked
>> until around midnight when I took over.
>>
>> The conditions were relatively good with mostly excellent 0.5-0.7
>> arcsec seeing, but somewhat poor transparency.  It is difficult to say
>> which observations will be photometrically useful.  Several polar
>> field observations were obtained, so the variable conditions should be
>> seen there as well.  Complete 32 CCD offset observations in z and g
>> were obtained for SA107.  These are almost perfect compared to the
>> last nights' sets, but there was still some very light cirrus visible
>> on the all-sky cam during these.  Also, please check the 32 CCDs
>> exposures overlap for the center of the field.  The center was placed
>> on all the CCDs in the order that they are stored in the RawFitsData.
>>
>> A donut template was attempted for the VST people (requested by Koen),
>> but failed due to some template keyword error (Andrea and Koen will
>> have to investigate this).  Nonetheless, the focus offsets were done
>> and the required data secured.
>>
>> Following this, the night was wrapped up with a 3x3 grid from the
>> newest plate system centered on about the SA113 field, taken with
>> dither,N=5 in r for 60 seconds per exposure.  Please check these out
>> to make sure all the offsets were done correctly.
>>
>> 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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