Subject: Re: [sloan-25mlog 5141] 2.5m obslog 20200803 (SJD 59065)
From: Kaike Pan
Date: Tue, 4 Aug 2020 08:16:42 -0600
> On Aug 4, 2020, at 5:58 AM, ccarter@apo.nmsu.edu wrote:
>=20
>=20
>                       APACHE POINT OBSERVATORY SDSS 2.5M
>=20
>                                 OBSERVING LOG
>                          Monday August 03, 2020
>=20
>                                  (SJD 59065)
>=20
> ----  Observing Team ----
>=20
> Karen Kinemuchi
> Christian Carter
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> Kaike Pan (Online support)
> John Downey (Phone support)
>=20
>=20
> ---- Observing Plan ----
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> Mon  3 AUG 2020    59065.0   1.00    02:37  11:42    16:27  01:33    =20=
> ----    APOGEE-2 ( 9.1 h)=20
>=20
> But preempted for pointing model.
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> ---- Observing Summary ----
>=20
> The entire night was lost to cloud cover and nearby radar. We were =
attempting
> to take a pointing model tonight, but APOGEE was scheduled for 9.1 =
hours that
> were lost to weather.
>=20
>=20
> Notes:
> =3D=3D=3D=3D=3D=3D
>=20
> (1) We encountered an alarming software issue that caused the =
telescope to slew
>     in AZ with the enclosure on and ALT =3D 30. We suspect that =
fiducial table
>     v1_143 caused the MCP to report incorrect positions for ALT and =
AZ. See
>     Problems in Detail.
The problem is traced down to a typo in load fiducial tables. When load =
rot table, axis name was
left as az. Although the command failed, apparently part of rot table =
was loaded into AZ table memory
slots. Lesson is learnt and the procedure is modified to prevent this =
happens again. Contacted Jeff to
see whether there is a way to check table contents after they are loaded =
into mcp (version number was=20
checked last night).=20
>=20
> (2) There is a skunk on site that has made appearances at least once =
per night
>     for the last six nights.
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> ---- Observing Log ----
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> 23:48Z  Radar cell to the east of site.  A lot of radar to the west =
and north.
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> AFTERNOON CHECKOUT:
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> 23:52Z  Engineering camera is on the telescope.  Started APOGEE =
evening cals.
> grabbed mirror numbers - ok; guider/gcamera prep - done (dark, but no =
flat).
>=20
> No MaNGA cals or BOSS collimation.
>=20
> Home/relaxing mirrors.  M1 was fine.  M2 has large errors for A,B,C =
actuators.
> Called JohnD and reset M2 galil numbers.  Retaking mirror numbers to =
make sure
> we are back in position.
>=20
> 01:54Z APOGEE evening cals finished and inspected - ok.
> Night:
> =3D=3D=3D=3D=3D=3D
>=20
> 02:19Z Party cloudy on site; radar nearby. Cloud cover headed our way. =
Did not
>       begin ventilating.
>=20
> 04:13Z The storm has crossed into Otero county. Lightning outside.
>=20
> 04:50Z Stopped ventilation.
>=20
> 09:22Z Cloud cover is dissipating but still very think. Radar to our =
east.
>=20
> 10:52Z Not enough time left to dismount engineering camera and get on =
sky
>       to get usable data. Starting morning cals.
>=20
> ---- BOSS Spectrographs Collimation Summary ----
>=20
> --- Hartmann ---
> Time    Inst         r1   b1  move1 b1pred Tsp1      r2   b2  move2 =
b2pred Tsp2
> --------------     ----------------------------    =
----------------------------
>=20
>=20