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ENR CTIO Blanco 4-m 2021-07-13

Date: 
Tuesday, July 13, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Ian Dell'Antonio
Submitter Email: 
ian_dellantonio@brown.edu
Observer Support: 
Kathy Vivas
Night Assistant: 
Rodrigo Hernandez
Also Present: 
Marc Postman, Megan Donahue, Shenming Fu, Jacqueline McCleary, Mireia Montes, Manuel Hernandez
Problems: 

had problem with DECal computer that required reboot.  Periods of bad seeing--in general variable seeing the second half of the night

Comments: 

Lost ~10 minutes (and 3 exposures) to the computer problem--but it was rapidly fixed.

Conditions: 
General Conditions
Comment: 
a puise of higher humidity went through, and seeing deteriorated around midnight. It improved but was very variable thereafter.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
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Program: 
Proposal: 
2019A-0308
Target of Oportunity: 
No
Time Observed: 
11.0
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
LoVoCCS, The Local Volume Complete Cluster Survey
Primary Investigator: 
Dell'Antonio
Email: 
ian_dellantonio@brown.edu [1]
Institution: 
Brown University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-07-13 11.0 0.0 0.25 0.0 0.0 11.25
2021-07-13 11.0 0.0 0.25 0.0 0.0 11.25
Source URL (modified on 07/14/2021 - 05:49): http://www.ctio.noao.edu/noao/node/17926

Links
[1] mailto:ian_dellantonio@brown.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/39425/delete?destination=print/content/enr-ctio-blanco-4-m-2021-07-13
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/39425/edit?destination=print/content/enr-ctio-blanco-4-m-2021-07-13
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/17926?destination=print/content/enr-ctio-blanco-4-m-2021-07-13