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ENR CTIO Blanco 4-m 2023-11-08

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Date: 
Wednesday, November 8, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Yifei Luo (first half) and Tanveer Karim (second half)
Submitter Email: 
yifeiluo@ucsc.edu
Observer Support: 
Guillermo Damke
Night Assistant: 
Claudio Aguilera
Also Present: 
Konstantina Boutsia
Problems: 

DECam failed twice (~10min in total).

Second half:

DECam hexapod needed to be reset once.

Comments: 

None.

Second half:

The entire night was cloudy and we did not get any science exposures.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
8
Program: 
Proposal: 
2020B-0288
Target of Oportunity: 
No
Time Observed: 
3.5
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The Merian Survey
Primary Investigator: 
Alexie Leauthaud
Email: 
alexie@ucsc.edu
Institution: 
UCSC
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
3.75
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
4.25
Time lost other: 
0.0
Description: 
DECam Legacy Survey
Primary Investigator: 
David Schlegel
Email: 
arjun.dey@noirlab.edu
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-11-08 3.5 0.0 0.25 4.25 0.0 8