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ENR CTIO Blanco 4-m 2021-10-07

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Date: 
Thursday, October 7, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Kathy Vivas
Submitter Email: 
kathy.vivas@noirlab.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Alfredo Zenteno, Dillon Brout, Christopher Lidman, Rebecca Chen, and Erik Peterson
Problems: 

None.

Comments: 

First half: Engineering. DECal scan for filter N419 completed with no problems. Dome opened at 9:48pm, just to be closed after 15 minutes due to rapid increase of humidity.

Second half: Didnt observe. dome closed.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2013A-9999
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
2.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Engineering
Primary Investigator: 
A Walker
Email: 
alistair.walker@noirlab.edu
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
2
Proposal: 
2021A-0149
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.25
Time lost other: 
0.0
Description: 
The DECam eROSITA Survey (DeROSITAS)
Primary Investigator: 
Alfredo Zenteno
Email: 
alfredo.zenteno@noirlab.edu
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
2.25
Proposal: 
2020B-0053
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
6.0
Time lost other: 
0.0
Description: 
DEBASS
Primary Investigator: 
Brout
Total Program Time: 
6
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-10-07 0.0 2.0 0.0 8.25 0.0 10.25