Subject: Re: [sloan-25mlog 5728] 2.5m obslog 20211028 (SJD 59516) From: Kaike Date: Fri, 29 Oct 2021 11:10:42 -0600 We plan to run more tests on sdss4-tcc before switch back. -Kaike > On Oct 29, 2021, at 11:08 AM, Daniel Oravetz wrote: > > Are we still running the TCC on sdss4-tcc? What's the plan for switching > back to sdss5-tcc if using the old sdss4-tcc didn't cure the offset > problem we were seeing? We might just hold off on saving new MIG Nominals > if we're going to be switching back to sdss5-tcc. > > >> >> APACHE POINT OBSERVATORY SDSS 2.5M >> >> OBSERVING LOG >> Thursday October 28, 2021 >> >> (SJD 59516) >> >> ---- Observing Team ---- >> >> Dylan Gatlin >> Audrey Oravetz (R) >> >> Kaike Pan (R) >> Aidan Gray (R) >> >> >> ---- Observing Plan ---- >> >> FSC tests >> >> >> ---- Observing Summary ---- >> >> Notes: >> >> - We home-relaxed the mirrors. If the mirror numbers tomorrow afternoon >> match >> what we had tonight, we should save new nominals. >> >> - Layer 3 of the apq images had shape (300, 51) until image 10, where they >> had >> the proper shape of (300, 2048) >> >> - Accumulated dust counts ~1000 dust-hrs >> >> >> ---- Observing Log ---- >> >> Started APOGEE eveningcals >> Ryan and James were still working. There were some wiring issues with r1, >> and >> they still needed to adjust the FSC alignment. >> >> There was a warmup this afternoon and the camera got to around -114. >> >> We will home-relax the mirrors once we've opened. We won't start FSC data >> until >> the telescope has equilibriated and it's dark, so we have some time after >> sunset. >> >> 00:23:16 encl25m : open; >> >> After opening, we homed and relaxed the primary and secondary mirrors. We >> set the >> primary position to 0.0, -31.23, -9.35, -511.08, 1708.0 (numbers provided >> by >> Kaike). We had some difficulty with the secondary. Repeated `home A, B, >> C` >> commands produced large and consistent errors, despite multiple homes. >> Eventually, one of our home commands got lucky and got reasonable errors. >> >> tcc track/pterr 230, 70 obs /rotty=obj /rota=0 /magRange=(12,13) >> Optimal focus was found to be 261, which is similar to yesterday's with >> the >> fsccam instrument block. >> >> We ran FSC focus sweeps at each of the following positions >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 0.0, 1.5 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed -1.29904, 0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed -1.29904, -0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed -1.5, 0.0 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 1.29904, -0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 1.29904, 0.75 >> >> We did a series of focus sweeps, for a detailed log on the results, ask >> Aidan. >> We decided to redo the focal plane sequence using the g' filter, the >> previous set >> was using the i' filter. When we redid our focus sweeps, we found that >> there >> was a lot of randomness in our dataset. Inconsistent focus sweeps really >> ruin >> the data, so we decided to wait until the seeing improved to start. We >> took >> focus sweeps every 10 minutes or so at several different telescope >> positions >> looking for better data. After testing with different stars, we >> determined that >> the anomalous datapoints were at least partly because we were approaching >> saturation of the camera at ~40k peak counts. >> >> After some experimentation, we found that the previous commands were >> actually >> negative of what they should be. >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 0.0, -1.5 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 1.29904, -0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 1.29904, 0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed 0.0, 1.5 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed -1.29904, 0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> tcc offset arc/pabs /computed -1.29904, -0.75 >> >> tcc offset arc/pabs /computed 0.0, 0.0 >> >> Here's a nice little conversion table from FSC coordinates to equatorial >> >> RA (deg) | Dec (deg) | R (mm) | Theta (deg) >> 0.0 | -1.5 | 333.377 | 180 >> 1.29904 | -0.75 | 333.377 | 120 >> 1.29904 | 0.75 | 333.377 | 60 >> 0.0 | 1.5 | 333.377 | 0 >> -1.29904 | 0.75 | 333.377 | -60 >> -1.29904 | -0.75 | 333.377 | -120 >> >> 08:49Z Having completed our observing plan, we closed and turned off the >> FSC >> 11:54Z started morning cals >> >> >> ---- Mirror Numbers ---- >> >> >> PRIMARY: >> -------- >> Scale: 1.000000 >> >> MIGS TONIGHT NOMINAL >> Axial A: 0.0080 0.0040 >> Axial B: 0.0090 0.0310 >> Axial C: -0.1170 -0.1180 >> Trans D: -0.0361 -0.0362 >> Lateral E: 0.3315 0.3315 >> Lateral F: 0.5350 0.5340 >> >> GALILS >> Commanded: 12500 -1600 5300 47050 -8800 -8400 >> Actual: 12500 -1600 5300 47050 -8800 -8400 >> >> SETMIR VALUES >> PrimDesOrient: 0.0 -31.23 -9.35 -511.08 1708.0 >> PrimOrient: 0.0 -31.15 -9.21 -511.43 1706.53 >> >> SECONDARY: >> ---------- >> >> Focus: 0.0000 >> Air temp: 13.94 >> Altitude: 30.002216738522783 >> >> MIGS TONIGHT NOMINAL >> Axial A: -9.4400 -9.4440 >> Axial B: -9.4660 -9.4730 >> Axial C: -9.4980 -9.5010 >> Trans D: 0.0940 0.1000 >> >> GALILS >> Commanded: 4628400 4623450 4646750 0 -3400 >> Actual: 4607206 4607212 4607287 0 -3400 >> >> SETMIR VALUES >> SecDesOrient: 3657.0 0.0 0.0 0.0 42.22 >> SecOrient: 3657.0 -0.01 0.02 0.01 41.47 >> >> >> >> PRIMARY: >> -------- >> Scale: 1.000000 >> >> MIGS TONIGHT NOMINAL >> Axial A: 0.0050 0.0040 >> Axial B: 0.0070 0.0310 >> Axial C: -0.1190 -0.1180 >> Trans D: -0.0355 -0.0362 >> Lateral E: 0.3315 0.3315 >> Lateral F: 0.5335 0.5340 >> >> GALILS >> Commanded: 12500 -1600 5300 47050 -8800 -8400 >> Actual: 12500 -1600 5300 47050 -8800 -8400 >> >> SETMIR VALUES >> PrimDesOrient: 0.0 -31.23 -9.35 -511.08 1708.0 >> PrimOrient: 0.0 -31.15 -9.21 -511.43 1706.53 >> >> SECONDARY: >> ---------- >> >> Focus: 0.0000 >> Air temp: 9.89 >> Altitude: 29.999996178438877 >> >> MIGS TONIGHT NOMINAL >> Axial A: -9.4020 -9.4440 >> Axial B: -9.4310 -9.4730 >> Axial C: -9.4690 -9.5010 >> Trans D: 0.1110 0.1000 >> >> GALILS >> Commanded: 4607250 4607250 4607250 -50 -3450 >> Actual: 4576692 4585826 4567275 -50 -3450 >> >> SETMIR VALUES >> SecDesOrient: 3657.0 0.0 0.0 0.0 42.22 >> SecOrient: 3632.6 5.36 1.77 1.17 39.14 >> >> >> >> ---- Telescope Status ---- >> >> 23:40Z Started ventilation >> 00:23:16 encl25m : open; >> 08:49:16 encl25m : closed; >> >> No interlocks bypassed >> >> Status at: 8:58:30Z >> Telescope stowed at: 121.0, 30.0, 0.0 mount >> Instrument mounted: 19 >> Counterweights at: 557.4, 559.1, 577.1, 576.8 >> LN2 autofill systems: Connected and turned on >> 180L LN2 dewar scale: SP1 150.0 lbs, 18.2 psi >> >> >> >> >> ---- Software Used ---- >> >> Get Versions, 10/29/21, 00:03:17 >> -- STUI software: >> STUI : 1.7.13 >> alerts : 2.1.6 >> apo : 3.0.0 >> boss : 6.0.1-alpha.0 >> -boss.specMec : 3.0.4 >> guider : 4.0.0 >> ecamera : FAILED >> fliswarm : FAILED >> hartmann : 2.0.0 >> hub : 5.0.0a0 >> mcp : 2.1 >> -mcp.plc : 34 >> -mcp.azFiduci : v1_147 >> -mcp.altFiduc : v1_147 >> -mcp.rotFiduc : v1_147 >> sop : 0.1.0-alpha.0 >> tcc : 1.4.0 >> apogee : not availble >> apogeecal : not availble >> apogeeql : v1_7_0dev >> STUIAdditions : 3.1.9 >> -- done -- >> >> >> ____________________________________________________________ >> Logs of Nightly APO Activities >> https://trac.sdss.org/tracmailman/browser/private/sloan-25mlog/index.html >> > > > ____________________________________________________________ > Logs of Nightly APO Activities > https://trac.sdss.org/tracmailman/browser/private/sloan-25mlog/index.html