-01 3rd APOGEE commissioning night in July. Dmitry B, Audrey O, Steve M (remotely), Mike H (remotely) 01 Check Dust -02 Start of night calibrations 02 First good dark 03 BAD, it was stopped by request of Stephane 04 BAD too, Stephane asked to stop it gain 05 second good dark in the evenng calibration sequence -12 plate 4818, cart 1, M13_I, clear sky, started 10 min before 12 deg twilight 12 s/n is lower that in the next exposures 14 clear sky, seeing ~ 1.6" 15 started getting single clouds in the field at the very end of the exposure 16 some clouds running through the field. Seeing ~ 1.6". More clouds at the end 17 more clouds, seeing ~ 1.7". Lost guide stars few times. Mostly clear sky at the very end. 18 Clear patches and clouds 19 some clouds, too. Seeing ~ 2.0" 20 sky flat, offset 0.01 deg RA. Sky mostly clear in the field, but with running clouds 21 Dome Flat -22 calibration sequence -24 plate 5098, cart 7, bulge field 006+02, seeing~2.3-2.8", clear sky in the field 25 seeing ~2.8 - 3.5", clear sky 27 seeing ~ 2.5", clear sky 28 some clouds in the field, seeing ~ 2.4" 30 more clouds, seeing ~ 2.5" +30 observing paused because of a wavel of clouds, there is still a chance to observe further. -31 resumed, still in clouds. 32 first halp in clouds, second half in clear sky, seeing ~ 2.3 - 2.8" 33 clear sky, seeing ~ 2.3" 34 clear sky, seeing ~ 2.3" 35 clear sky again, seeing ~ 2.5" 36 thick clouds starting with ~ 10th read. Lost guide stars -37 Dome Flat -38 calibration sequence +39 While sky was overcast, we tried to observe bright std stars, but got problem with plugging file. it does not have (?) guide star information (?). We closed at ~7:55UT because of nearby radar return. Rain started at ~ 8:45 UT.