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ENR CTIO Blanco 4-m 2023-08-31

Date: 
Thursday, August 31, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Lindsay Magill
Submitter Email: 
lindsay.magill@noirlab.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Also Present: 
Kathy Vivas and Linsday Magill
Problems: 

At the beginning of the night there was a problem with the hexapod. It started at 19:20 and was resolved by 20:33. It was 20:45 when we started science.

Around 04:20 when we re-started observing I found that the seeing had jumped up to 2.5-3". After asking the operator to do a focus run to make sure everything was okay I decided to continue taking data, but I'm not sure if it will be useful to the PI.

At 05:20 the clouds came in again, blanketing the whole sky. We closed for the night at that point.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
8
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
6
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
2.40
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
4
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Program: 
Proposal: 
2019A-0305
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
1.25
Time lost weather: 
5.25
Time lost other: 
0.0
Description: 
DELVE
Primary Investigator: 
Alex Drilca-Wagner
Email: 
kadrlica@fnal.gov [1]
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-08-31 4.0 0.0 1.25 5.25 0.0 10.5
Source URL (modified on 09/01/2023 - 06:25): http://www.ctio.noao.edu/noao/content/enr-ctio-blanco-4-m-2023-08-31

Links
[1] mailto:kadrlica@fnal.gov
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/42875/delete?destination=print/content/enr-ctio-blanco-4-m-2023-08-31
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/42875/edit?destination=print/content/enr-ctio-blanco-4-m-2023-08-31
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/20842?destination=print/content/enr-ctio-blanco-4-m-2023-08-31