Subject: Re: [sloan-25mlog 3592] 2.5m obslog 20170702 (SJD 57937) From: Karen Kinemuchi Date: Mon, 3 Jul 2017 14:06:45 -0600 We only ventilated for about 1.5 hours (counts were around 1300, so = let=E2=80=99s say ~2000 during this time frame), but the rest of the = time we turned everything off and closed. We=E2=80=99ve been having = high dust events that last for about an hour or so, then things calm = down for the past two nights. > On Jul 3, 2017, at 7:39 AM, John Downey wrote: >=20 >>=20 >> ---- Observing Summary ---- >>=20 >> Entire night lost due to weather. >> APOGEE lost 5.4 hours and MaNGA lost 2.2 hours. >>=20 >> We completed the monthly spectro cloudy night tasks. >>=20 >> Notes to the day staff and developers: >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> * Dust: 09:59:43: dTime=3D300 sec, Dust,1um =3D 920, Sum =3D 11783 >> (accumulated dust while closed) >>=20 >=20 > We weren't ventilating right? If the counter was just running to keep = an eye on opening conditions, I won't add it to the tally. If this was = while ventilating I will add it. >=20 > We're up to 33k without it, so we're cleaning today in any case. >=20 > Thanks, > John >=20