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ENR CTIO Blanco 4-m 2017-05-04

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Date: 
Thursday, May 4, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eddie Schlafly
Submitter Email: 
eschlafly@gmail.com
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Alberto Alvarez
Also Present: 
Manuel Hernandez
Problems: 

Brief power outage at UT 7:20, lost one image and a few minutes.  Brief "telemetry reset" in SISPI, lost ~2 minutes.

Comments: 

Beautiful night with subarcsecond seeing most of the night, spoiled by some thin clouds throughout.

Conditions: 
General Conditions
Temperature Max: 
17.00
Temperature Min: 
14.00
Humidity Max: 
33
Humidity Min: 
18
Wind Speed Max: 
25.00
Wind Speed Min: 
5.00
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
7
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
7
3rd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
7
4th Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
5.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The DECam Legacy Survey
Primary Investigator: 
Schlegel
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Proposal: 
2016B-0279
Target of Oportunity: 
No
Time Observed: 
5.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Mapping Dust in 3D with DECam: A Galactic Plane Survey
Primary Investigator: 
Finkbeiner
Email: 
dfinkbeiner@cfa.harvard.edu
Institution: 
Harvard
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-05-04 11.0 0.0 0.0 0.0 0.0 11