Subject: Re: [sloan-25mlog 6509] 2.5m obslog 20230119 (SJD 59964)
From: John
Date: Fri, 20 Jan 2023 08:42:22 -0700
> On Jan 20, 2023, at 6:43 AM, kpan@apo.nmsu.edu wrote:
>=20
>=20
>                       APACHE POINT OBSERVATORY SDSS 2.5M
>=20
>                                 OBSERVING LOG
>                          Thursday January 19, 2023
>=20
>                                  (SJD 59964)
>=20
> Notes:
> 1. The first set of evening apogee dome flux show low flux. The 2nd =
set of dome flats are acquired after re-plugging the gang connector =
(plus air-blowing). But flux didn't change.=20
>=20
> ---- Engineering Issues ----
>=20
> 1. APOGEE MTP #6 show low flux. Replugging the gang connector (plus =
one more time air-blowing) didn't change things. Surprisingly, the flux =
back to normal on the set of dome flats took at the end of night (Gang =
connector was not touched).=20
It sounds like we need a consitent means of evaluation - the MTP =
monitoring page does not show these problems this morning.
I find it very odd that the flux is good with the morning flats and no =
interventions.=