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ENR CTIO Blanco 4-m 2020-02-04

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Date: 
Tuesday, February 4, 2020
Telescope: 
CTIO Blanco 4-m
Submitter: 
Agustin Diaz
Submitter Email: 
agustindiazocampo@gmail.com
Observer Support: 
Manuel Hernandez
Night Assistant: 
Jackie Seron
Also Present: 
Alfredo Zenteno
Problems: 

The telescope's active optics failed four times along the night: at 01:10UT, at 05:20UT, at 05:30UT, and at 07:20UT. Each time, we lost about 5 minutes of time.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.10
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020A-0399
Target of Oportunity: 
No
Time Observed: 
7.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.5
Description: 
The DECam eROSITA Survey (DeROSITAS)
Primary Investigator: 
Alfredo Zenteno
Email: 
alfredo@ctio.noao.edu
Institution: 
CTIO
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
2020-02-04 7.5 0.0 0.0 0.0 0.5 8