Date: Mon, 12 Dec 2016 21:09:34 -0000 (UTC) Subject: Re: [sloan-25mlog 3269] Re: 2.5m obslog 20161211 (SJD 57734) From: "Dmitry Bizyaev" Hi Dan, the log states what we saw: we observed 9 APOGEE cartridges, one of them had bad connection with MTP 2, another one had bad connection with MTP 1. the other 7 carts were OK. I changed cartridges, and I looked at the MTPs routinely, but did not notice any problems. This night we will look at those cartridges closely. Dmitry > Were all carts affected? The log seems to indicate that the MTP 1 problem > is with cartridge 3, and MTP 2 in cartridge 4. > > -Dan > >> ---- Observing Summary ---- >> >> The night was mostly clear, with some running faint cirrus. Seeing was >> very good >> to good. >> >> APOGEE plates exposed: >> >> 8 9466 100-06 GSOGTF 5xAB Not done missing 4 faint 2 >> 7 9244 135-03 GSOGTF 4xAB Not done missing 0 faint 2 >> 2 9290 150-08-RV GSOGTF 4xAB Not done missing 4 faint 1, M: 4x900 s >> 5 9517 180-08-RV GSOGTF 4xAB Not done missing 1 faint 1, M: 4x900 s >> 1 9475 ORIONOB1AB-C NoGS (+11".+5") 2xAB DONE missing 0 faint 2, M: >> 2x900 s >> 4 8907 COROTA2-RV GSOGTF 7xAB Not done missing 10 faint 27, M: 7x900 s >> APOGEE bundle 2 (ibers 31-60) all have very low signal. Something was >> wring >> with the bundle in the cartridge (since the gang connector worked well >> for all >> other carts), but it was not seen directly at a glance. >> 6 8960 ORPHAN-1 GSOGTF 2xDAB Not done missing 1 faint 7, M: 4x900 s >> 9 9545 240+60 GSOGTF 4xAB Not done missing 1 faint 2 >> 3 9063 090+60 GSOGTF 2xAB Not done missing 4 faint 31, M: 4x900 s >> (all bundle 1 has low signal. No any problems were noticed at visual >> inspection) >> >> 3 9063 090+60 >> Notes: no problems, no time lost. >> External manipulator behaved all night. >> > > > > On Dec 12, 2016, at 6:34 AM, frh10 wrote: > >> Same problem as last week. Since all carts affected, there is a problem >> with #1 MTP in the male gang connector. >> >> >> On 12/12/2016 8:32 AM, dmbiz@apo.nmsu.edu wrote: >>> (all bundle 1 has low signal. No any problems were noticed at visual >>> inspection) >> >> ____________________________________________________________ >> Logs of Nightly APO Activities >> https://trac.sdss.org/tracmailman/browser/private/sloan-25mlog/index.html > >