Subject: Re: [sdss3-25mlog 1608] Re: 2.5m obslog 20140128 (MJD 56686)
From: Elena Malanushenko
Date: Wed, 29 Jan 2014 10:47:09 -0700
On 01 /29/ 14, at 9:03 AM, Kaike Pan wrote:
>=20
> On Jan 29, 2014, at 6:08 AM, asimmons@apo.nmsu.edu wrote:
>=20
>>=20
>>                      APACHE POINT OBSERVATORY SDSS 2.5M
>>=20
>>                                OBSERVING LOG
>>                         Tuesday January 28, 2014
>>=20
>>                                 (MJD 56686)
>>=20
>> ----  Observing Team ----
>>=20
>> Daniel Oravetz
>> Audrey Oravetz
>>=20
>> ---- Observing Plan ----
>>=20
>> 28 Jan 2014  56686.0  0.13  01:43 12:50  03:12 14:21  BOSS  11.1 =
hours
>>=20
>>=20
>> ---- Observing Summary ----
>>=20
>> Mostly clear night.
>>=20
>> We observed:
>>=20
>> Cart 10, plate 7333 - DONE
>> Cart 16, special plate 7337
>> Cart 11, plate 5713 - DONE
>> Cart 14, plate 7299 - DONE
>> Cart 15, plate 7108 - DONE
>> Cart 17, plate 7118 - DONE
>> Cart 12, special plate 7339 - DONE
>>=20
>> We had some problems with the b1 focus during afternoon checkout and =
for the
>> first few plates of the night. Please read the log for details.
>>=20
>=20
> We have some yellow X-sigmas or yellow W-sigmas even when quick =
hartmann says
> spectrograph are in focus.  Looks like that we need a new set of =
collimation data. Will=20
> post it as a cloudy night task.
>=20
> Also for this run, if possible, please use cart 11 as the first cart =
of a night so that we can use
> it for afternoon checkout.
>=20
> Elena, for tonight, can you move b2 focus ring by -3 degrees? Thanks,
>=20
> -kaike
Kaike, I will do it.=20
I had similar problem with collimation.=20
Minor ~1-2 degrees adjustments created out of spec by ~10 pix.
Elena