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ENR CTIO Blanco 4-m 2014-10-29

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Date: 
Wednesday, October 29, 2014
Telescope: 
CTIO Blanco 4-m
Submitter: 
Francisco Castander
Submitter Email: 
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Simon Birrer, Francisco Castander, Brian Nord
Problems: 

# At 6:00pm (local time) re-start SISPI
# ~08:00pm (local) Observer2 console hung when taking a snapshot of flatcheck output
# 08:25pm (local) Observer2 re-started
# re-started SISPI
# SISPI did not come up properly
# logged out and back in observer1 terminal
# 20:52 (local) SISPI up again
# around 2:00 (local time) there are >10" offsets in dec; so take a centering pointing exposure

Comments: 

*Conditions*

# weather in afternoon: 5:00pm (local): cloudy, mostly thin clouds, wind ~7 mph, 14C, 45% humidity
# weather after dinner: 7:15pm (local): cloudy, mostly thin clouds, wind ~7 mph, 9C, 55% humidity
# 08:51pm local close dome (cloudy outside)
# weather after sunset: 9:00pm (local): cloudy, mostly thin clouds, wind ~5 mph, 10C, 50% humidity
# 22:45 re-open dome
# weather at opening 23:00 (local): clear, wind ~5 mph, 10C, 40% humidity
# weather during night: 02:00 (local): clear, wind ~5 mph, 10C, 40% humidity
# weather at morning twilight: 05:45 (local): clear, wind ~14 mph, 9C, 40% humidity
# weather summary: cloudy then cleared, 10C, low wind except the last two hours
# Seeing conditions: 0.8 (rms 0.1) until 23:30 (local); 1.2 (rms 0.2) until 02:00 (local); increased monotonically to 2.2 at 03:20; stayed at 1.3 (rms 0.2) until twilight
# Wind conditions: low most of night, except last ~2 hour; had to raise windscreens 23:56 (local), lower them at 03:08 and raise them again at 04:10

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
7
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
6.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
1.5
Time lost other: 
0.0
Description: 
DES
Primary Investigator: 
Josh Frieman
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
8
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2014-10-29 6.5 0.0 0.0 1.5 0.0 8