_DES Observers:_ Alex Drlica_Wagner, Tom Diehl 
_Telops:_ Alberto Alvarez, Manuel Hernandez, Leonidas Paredes 
_Remote Support:_ Alistair Walker, Klaus Honscheid 

*Observing Plan* 

# Director's Discretion Night 
# Standards at twilight, twilight 
# Two TOOs for David Gerdes 
# WF All Night 
# Morning Standards 

*Conditions* 

Seeing was 0.69-0.95". 
Conditions 
22:00 Moony and clear outside. T=14C Humidity = 20%. Wind 5-7 mph. 
23:00 Moony and clear outside. T=13.5C Humidity=21%. Winds 7-8 mph. 
00:00 Moony and clear outside. T=13.6C Humidity = 22%. Winds 6-8 mph. 
01:00 Moony and clear outside.T=14C. Humidity = 26%. Wind 10 mph. 
01:02 Alberto raised the wind screens. 
02:00 Moony and clear outside. T = 13 C, Humidity = 38%. Wind 7 mph 
02:26 Alberto lowered the wind screens. 
03:00 Moony and clear outside. T = 13.5 C, Humidity = 31%. Wind 5 mph 
04:00 Moony and clear outside. T = 13.2 C, Humidity = 22%. Wind 10 to 13 mph. 
04:11 Alberto raised the wind screens. 
05:00 Moony and clear outside. T = 12.5 C Humidity = 24%, winds 8 to 10 mph. 
05:09 Wind Screens Lowered 

*Accomplishments* 

# 
# Calibration: Double set of dome flats 383749 to 383859 and 383860 to 383970 
# Pointing Shot: 383973 
# Defocus Shots: 383974, 75 
# Wrong PropID for 383992 aborted 
# 21:48 TOO QO95 200s z-band is 383993 engineering propid 
# 21:52 TOO VS113 200s z-band is 383994 engineering propid 
# 21:58 Start Obstac. Last before TOO is 384144. DES propid 
# 01:59 VS113 is 384145 engineering propid 
# 02:03 QO95 is 384146 then back on Obstac with DES propid 
# Last Obstac is 384286, Last SS is 384301, Last Bias is 384312 
# More than 300 WF images. Some z, mostly Y. 

*Issues* 

# 04:43 Broken Interlock. Component not ready is DECal. Alberto restarted the computer. Lost 7 minutes. 
# No other.