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ENR CTIO Blanco 4-m 2018-05-19

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Date: 
Friday, May 18, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Edward F Schlafly
Submitter Email: 
schlafly@hotmail.com
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Alberto Alvarez
Problems: 

None.

Comments: 

~1" seeing all night long.  Some thin clouds at sunset, but most of the night seemed clear.  Some clouds after ~9 UT.

Conditions: 
General Conditions
Temperature Max: 
17.00
Temperature Min: 
15.00
Humidity Max: 
17
Humidity Min: 
15
Wind Speed Max: 
8.00
Wind Speed Min: 
5.00
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2018A-0251
Target of Oportunity: 
No
Time Observed: 
11.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECam Plane Survey
Primary Investigator: 
Finkbeiner
Email: 
dfinkbeiner@cfa.harvard.edu
Institution: 
Harvard
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-05-18 11.25 0.0 0.0 0.0 0.0 11.25