[Comm2011] illuminationcorrections workplan Groningen

[Gijs Verdoes Kleijn]

Dear all,

Illuminationcorrection surfaces for SA107 in Johnson B and Sloan r using 
only domeflatfielding:
http://wiki.astro-wise.org/projects:omegacam:commissioning:flatfields

A good observing night.
Cheers, Gijs

Op 6-5-2011 21:59, Konrad Kuijken schreef:
> The striking pattern (the cross?) is the vignetting by the Tbars that 
> cover the edges of the four glass segments. V will have the same 
> property.
> K
>
> On May 6, 2011, at 21:42, Gijs Verdoes Kleijn wrote:
>
>> Hi Ewout,
>>
>> I have pngs of the domeflats which I am using to make illumination 
>> corrections: 
>> http://wiki.astro-wise.org/projects:omegacam:commissioning:flatfields
>> Particularly striking pattern in JohnsonB is attached. Rest not 
>> attached, fear the 1MB each is too large.
>> Cheers, Gijs
>>
>> Op 6-5-2011 12:36, helmich schreef:
>>> Hi Gijs,
>>>
>>> This should be helpful, especially the focussing on masteflats from 
>>> only
>>> domeflats. Note that the plots I made so far are made from 
>>> observations one
>>> day later than you indicate here.
>>>
>>> Dates like 2011-05-04-0[3-10].
>>>
>>> There are many zeropoint templates that night, but I think the 
>>> monitoring
>>> pointings (to polar field ) are taken with Zeropoint template, 
>>> rather than
>>> Monitoring template.
>>>
>>> Ewout
>>>
>>>
>>> On Fri, 06 May 2011 10:50:38 +0200, Gijs Verdoes Kleijn
>>> <verdoes at astro.rug.nl>  wrote:
>>>> Hi Ewout,
>>>>
>>>> We can process the following standard field observations:
>>>> ('OCAM_B_JOHN', datetime.datetime(2011, 5, 3, 5, 48, 9))
>>>> ('OCAM_r_SDSS', datetime.datetime(2011, 5, 3, 5, 21, 53))
>>>> ('OCAM_u_SDSS', datetime.datetime(2011, 5, 3, 5, 29, 22))
>>>> ('OCAM_u_g_r_i_SDSS', datetime.datetime(2011, 5, 3, 5, 37, 42))
>>>> ('OCAM_g_SDSS', datetime.datetime(2011, 5, 3, 5, 34, 4))
>>>> ('OCAM_z_SDSS', datetime.datetime(2011, 5, 3, 5, 42, 56))
>>>> ('OCAM_V_JOHN', datetime.datetime(2011, 5, 3, 5, 51, 46))
>>>> ('OCAM_i_SDSS', datetime.datetime(2011, 5, 3, 5, 24, 56))
>>>> Our plan is to process up to illuminationcorrections for these fields
>>>> using only domeflats first.
>>>> Please let us know if there is higher priority work we can do for your
>>>> illuminationcorrection analysis.
>>>>
>>>> Best wishes, Gijs
>>>>
>>>>
>>>> -- 
>>>> --------------------------------------------------------------------
>>>> |dr Gijs Verdoes Kleijn         |   astronomer                     |
>>>> |e-mail: verdoes at astro.rug.nl   |   OmegaCEN / Kapteyn Institute / |
>>>> |www: www.astro.rug.nl/~verdoes |   Target                         |
>>>> |tel: +31-50-3638326            |   University of Groningen        |
>>>> |mobile: +31-654658050          |   postal address:                |
>>>> |                               |   Kapteyn Astronomical Institute |
>>>> |                               |   Postbus 800, 9700 AV, Groningen|
>>>> |                               |   The Netherlands                |
>>>> --------------------------------------------------------------------
>>>>
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