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ENR CTIO Blanco 4-m 2018-09-25

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Date: 
Tuesday, September 25, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Nathan Golovich
Submitter Email: 
golovich1@llnl.gov
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Alberto Alvarez
Problems: 

Total loss due to cloudy weather. We gave 4 hours to dome-closed calibrations at the beginning of the night, and it was even cloudier once those were finished. 

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
Program: 
Proposal: 
2018A-0273
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
4.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
8.75
Description: 
Black hole microlensing
Primary Investigator: 
William Dawson
Email: 
dawson29@llnl.gov
Institution: 
LLNL
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
12.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-09-25 0.0 4.0 0.0 0.0 8.75 12.75