-1 continuing yaw adjustments 2 yaw +6 to 37.4 3 yaw -3 to 34.4 4 yaw -2 to 32.4 -5 John and Garrett install double-head on integrating sphere and shutter as well! Test some cal exposures.... 5 quartz but with shutter closed 6 quartz with shutter open: fainter than before 7 ThArNe with shutter open -8 Daytime tests to reproduce dome-flat gradient from previous night. 8 Dome-flat lamp 9 Dome-flat lamp, with 90deg field rotation 10 Dome-flat, after repluging gang connector 11 Dome-flat, after repluging gang connector 12 Dome-flat lamp, with 180deg field rotation 13 Dome-flat lamp, with gang-connector partially plugged 14 Dome-flat lamp, with one lamp off and gang-connector partially plugged 15 Dome-flat lamp, with one lamp off and fully plugged gang-connector 16 Same as above, back to rotator 0deg. 16+ End of daytime tests to reproduce dome-flat gradient from previous night. Still inconclusive. -21 Abreviated focus run 1100-2100 +31 Final focus 1900. -32 Calibration sequence +35 End of calibration sequence -52 Dome flat tests 53 Dome flat with 1/3 reads illuminated. 54 Dome flat with 3/3 reads illuminated. 55 Dome flat with 4 reads, 2-3 illuminated. -56 Dark +57 End of darks 58 Dome flat with 5 reads, only read 3 illuminated. -59 Darks +63 End of darks. -64 Dome flats for gang connector tests +68 Dome flats for gang connector tests 69 Dark 70 Dark 71 ThArNe 72 Dark 73 Quartz flat -74 Start of on-sky operations. CAM_AFT=78.8K CAM_MIDDLE=79.6K Plate 4925 (cart #4), 030+04, 150/150. Shadow of tree projected on telescope. Very poor seeing (4 arcsec) 75 25 read - Clouds passing. 76 25 read - Clouds passing. +76 Guider counts have been mostly constant (except for a single 40% drop in count) 77 Dome flat 78 Dark -79 Calibration sequence +81 End of calibration sequence 82 Plate 4924. Seeing 2.6 arcsec. 83 Same as above. 84 Dome flat +84 Closed due to dust and humidity. -85 Plate 4932. Moon impact II. 88 Heavy clouds. Lost guiding. 89 DOme flat -90 BD+17 3248 Metallicity standard r-process-rich star 90 Fiber 160 91 Fiber 160 92 Fiber 160. Longer read (30 reads) 93 Dome flat -94 start of dark frame sequence 10 x 60UTR + a trace at the end +104 end of dark frame sequence 105 quartz at nominal pitch before testflat sequence -106 start of testflat sequence of dithered quartzes +134 end of testflat sequence of dithered quartzes