Subject: Re: [sloan-25mlog 3542] 2.5m obslog 20170531 (SJD 57905)
From: John Downey
Date: Thu, 1 Jun 2017 07:07:28 -0600
>=20
> Notes:=20
> - The WEST DOOR has serious issues for opening and closing. Stops =
whenever and
> starts working back in the reverse direction.=20
> - Moth  guts were observed on the altitude surface.
> - Dust was really low with about 4000.
>=20
The door is probably a moth smeared into the optical tachometer, we had =
the same problem with the east door last week.  Easy to fix.
Surfaces and optics are scheduled to be cleaned today, though with the =
plugging load today I may push the optics off until tomorrow.