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ENR CTIO Blanco 4-m 2023-10-07

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Date: 
Saturday, October 7, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eunsuk Seo
Submitter Email: 
soakssuk@gmail.com
Observer Support: 
Kathy Vivas
Night Assistant: 
None
Problems: 

There was a technical issue "OCS at 03:17: Interlock (ALARM) is now broken"; One exposure was stopped in the middle of the exposure at 04:17 CLT (note the difference between the time in the error message and the actual time).

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.75
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.29
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.36
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.28
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020B-0201
Target of Oportunity: 
No
Time Observed: 
8.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
A 100 Deg^2 DECam Narrow-band Survey for the LSST Era: Tracing the Largest Cosmic Structures in the Distant Universe
Primary Investigator: 
Soo Lee
Email: 
soolee@purdue.edu
Institution: 
Purdue University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
8.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-10-07 8.5 0.0 0.0 0.0 0.0 8.5