Date: Sat, 12 Jun 2021 13:13:56 -0600 From: APO Subject: Re: [sloan-25mlog 5558] Re: 2.5m obslog 20210611 (SJD 59377) =0A= =0A= =0A= =0A= =0A= =0A= Yesterday Fred and I installed the ATF and moved the = counterweights to 327. It was an oversight on my parts when we put the cart= back on the telescope. Sorry about that.Other comments are inline below.=0A= =0A= = Ryan WagnerTelescope Tech Inter.2001 Apache Point Rd.Sunspot, NM. 88349rwagner@ap= o.nmsu.com=0A= =0A= =0A= From: sloan-25mlog on behalf = of Kaike Pan Sent: Saturday, June 12, 2= 021 07:04To: Dylan GatlinCc: obs-report-25m@apo.nmsu.= edu 2.5mSubject: [sloan-25mlog 5558] Re: 2.5m obslog 20210611 (S= JD 59377) Hello Dylan and Audrey,=0A= =0A= Comments/questions below. Thanks=0A= =0A= > On Jun 12, 2021, at 4:51 AM, dgatlin@apo.nmsu.edu wrote:=0A= > =0A= > =0A= > APACHE POINT OBSERVATORY SDSS 2.5M=0A= > =0A= > OBSERVING LOG=0A= > Friday June 11, 2021=0A= > =0A= > (SJD 59377)=0A= > =0A= > ---- Observing Team ----=0A= > =0A= > Audrey Oravetz =0A= > Dylan Gatlyn =0A= > =0A= > Jose Sanchez-Gallego=0A= > =0A= > =0A= > ---- Observing Plan ----=0A= > =0A= > Fri 11 Jun 2021 59377 0.03 03:33 10:32 13:53 20:53 --- = KK BHM ( =0A= > 7.0 h)=0A= > =0A= > =0A= > ---- Observing Summary ----=0A= > =0A= > We had a very clear night and we finished several carts. During a = natural gap=0A= > in plates, we loaded the FSC for Jose's on sky tests. We tested 3 = fields to=0A= > see if astrometry.net could solve them, and we got some good data = for the test.=0A= > 1.5hrs of BHM time were spent on software development.=0A= > =0A= > Cart 1, plate 15239, field AQM_189.16_+63.26, 8xA, 4x900s, not don= e=0A= > Missing fibers: [211 273]=0A= > Faint fibers: ['1 - 12' '16' '18' '21' '23 - 24' '26 - 27' '31 - 6= 0' '121 - 150'=0A= > '152 - 156' '158 - 159' '161 - 163' '165' '167' '169 - 173' '175 -= 180' '227'=0A= > '270']=0A= > =0A= > Cart 2, plate 15302, field AQM_209.58_+53.09, 6xA, 3x900s, done=0A= > Missing fibers: [38, 57, 59, 190, 198, 211, 259, 273]=0A= > Faint fibers: [137, '151 - 154', '156 - 158', '161 - 163', '166 - = 171', '175 -=0A= > 180', 197]=0A= > =0A= > Cart 4, plate 15305, field AQM_216.74_+36.33, 2xA, 1x900s, done=0A= > Missing fibers: [20, 39, 151, 186, 193, 211, 241, 273, 278]=0A= > Faint fibers: [121, 123, 125, '152 - 173', '175 - 180']=0A= > =0A= > Cart 9, plate 15401, field AQB_241.71_+58.64, 8xA, 4x900s, done=0A= > Missing fibers: [36, 211, 245, 273]=0A= > Faint fibers: ['121 - 150', 170, 284]=0A= > =0A= > Cart 7, plate 15404, field AQB_247.44_+55.63, 6xA, 3x900s, not don= e=0A= > Missing fibers: [98, 211, 273]=0A= > Faint fibers: ['121 - 150', '151 - 180']=0A= > =0A= > Cart 8, plate 15030, field AQW_335.65_+20.42,, 4xA, 2x900s, done= =0A= > Missing fibers: [35, 184, 211, 273]=0A= > Faint fibers: ['121 - 150', '151 - 180', 227]=0A= > =0A= > =0A= > Notes:=0A= > =0A= > - Around 11:00Z today, the counterweights were moved from 480 (nor= mal carts) to=0A= > 330 (a little lower than what we use for the engineering camera). = The telescope=0A= > was way out of balance, which we fixed during our first cart chang= e (to 481).=0A= > Despite the counterweight movement, there were no cart changes dur= ing the day.=0A= =0A= Are 330 readings in TPM GUI or on the counterweight control panel? When= you check, =0A= what are numbers on the control panel? = The values should both be the same.=0A= > =0A= > - While swapping off the FSC, we both forgot to disconnect the cab= les before=0A= > unloading the cartridge. The cables were held up by a ziptie. When= the cart was=0A= > lowered, the cables were yanked out of the FSC ports. After we rea= lized what=0A= > happened, we took a closer look and decided to test the FSC connec= tion in the=0A= > MARVELS room. The FSC is currently on a dolley in the MARVELS room= connected.=0A= > Jose was able to ssh into it just fine. There was possible damage = to the =0A= > ethernet cable as well as the ethernet port. Since we were able to= connect, we=0A= > don't believe the damage is substantial, but we should make sure w= e have a=0A= > spare CAT 5e female to female port on site in case the damage was = substantial.=0A= > =0A= > - Counterweights were set to 470 after unloading the FSC, although= this number=0A= > seemed a little low as the telescope tended to drift up a bit duri= ng cart=0A= > changes.=0A= =0A= Counterweights are set to 472 on the control panel, TPM reads ~480 for = the setting. =0A= =0A= > =0A= > - The instrument lift seems to be slightly misaligned with the lin= dy cart. When=0A= > loading a cart, the lift picks up the cart sideways for a few inch= es then=0A= > it falls back into proper alignment. This happened with every cart= tonight=0A= > and is an issue I've noticed develop for a while. I noticed this yesterday, I will fix= it on Monday.> =0A= > - Integrated Dust Counts: ~ 7500 dust-hrs=0A= > =0A= > =0A= =0A= ____________________________________________________________=0A= Logs of Nightly APO Activities =0A= https://trac.sdss.org/tracmailman/browser/private/sloan-25mlog/index.ht= ml=0A= =