From: stephanie snedden
Subject: Re: 2.5m obslog 20100704 (MJD 55382)
Date: Mon, 5 Jul 2010 15:06:17 -0600
I should make it more clear that it doesn't take the mirrors a minute
to move, but you want to make sure the TCC is broadcasting the updated
numbers. A minute is a safe time to wait.
S.
On Jul 5, 2010, at 2:59 PM, stephanie snedden wrote:
> Hi Howard,
>
> Notice that it is A, B, C all off by similar amounts. That is what
> would happen if you were not exactly at "set foc=0". In other words,
> if you jumped the gun and took the mirror numbers just a bit too
> soon after setting the focus (and scale).
>
> I just double-checked the numbers, and all are in spec.
>
> This is a good reminder that we should wait a minute or so between
> setting focus and scale and grabbing the mirror numbers. Give the
> mirrors a chance to settle to their new positions. Thanks.
>
> Steph
> On Jul 5, 2010, at 2:38 PM, hjbrew@apo.nmsu.edu wrote:
>
>> Do we need to home the secondary?  The numbers were way out of spec
>> last
>> night.
>>
>> H
>>
>>
>>
>>>
>>>                      APACHE POINT OBSERVATORY SDSS 2.5M
>>>
>>>                                OBSERVING LOG
>>>                             Sunday July  4, 2010
>>>
>>>                                 (MJD 55382)
>>>
>>
>>> SECONDARY:
>>> ----------
>>> Focus: 0.00
>>> Air Temp.: 15.0
>>> Alt.: 29.995353
>>>
>>> MIGS        TONIGHT   NOMINAL
>>> Axial A      21.9410  18.6150
>>> Axial B      18.9780  15.6120
>>> Axial C      17.1570  13.8170
>>> Trans D      -11.8100  -11.7780
>>>
>>> GALILS
>>> Commanded: -2830411. -2861497. -2839960. -8400. -13300.
>>> Actual:    1597721. 1566188. 1588095. -7597. -12380.
>>>
>>>
>>> SETMIR VALUES
>>> SecDesOrient: 1257.00 -4.00 -9.00 10.00 234.42
>>> SecOrient:    -2257.71 -3.92 -8.88 10.04 234.31
>>>
>>>
>>
>>
>>
>> DSS DSS DSS DSS DSS  Digital Sky Survey DSS DSS DSS DSS DSS DSS
>> DSS *** The information posted to SDSS mailing lists is proprietary
>> ***
>> DSS  This is message 5291 in the sdss-25mlog archive, URL
>> DSS         http://www.astro.princeton.edu:81/sdss-25mlog/msg.5291.html
>> DSS  The index is at http://www.astro.princeton.edu:81/sdss-25mlog/INDEX.html
>> DSS  To join/leave the list, go to
>> DSS         http://www.astro.princeton.edu:81/cgi-bin/mailinglists.pl/show_subscription?list=sdss-25mlog
>> DSS  To post a message, mail it to sdss-25mlog@astro.princeton.edu
>> DSS
>> DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS
>
>
> DSS DSS DSS DSS DSS  Digital Sky Survey DSS DSS DSS DSS DSS DSS
> DSS *** The information posted to SDSS mailing lists is proprietary
> ***
> DSS  This is message 5292 in the sdss-25mlog archive, URL
> DSS         http://www.astro.princeton.edu:81/sdss-25mlog/msg.
> 5292.html
> DSS  The index is at http://www.astro.princeton.edu:81/sdss-25mlog/INDEX.html
> DSS  To join/leave the list, go to
> DSS         http://www.astro.princeton.edu:81/cgi-bin/mailinglists.pl/show_subscription?list=sdss-25mlog
> DSS  To post a message, mail it to sdss-25mlog@astro.princeton.edu
> DSS
> DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS