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ENR CTIO Blanco 4-m 2021-07-03

Date: 
Saturday, July 3, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Ian Dell'Antonio
Submitter Email: 
ian_dellantonio@brown.edu
Observer Support: 
Kathy Vivas
Night Assistant: 
Alberto Alvarez
Also Present: 
Shenming Fu, Jacqueline McCleary, Fernando Cortez
Problems: 

The focus setting was way off at the beginning of the night.  Also, there were two small earthquakes, the first of which required a slew back to zenith to verify pointing.

Comments: 

Very thick cirrus all night.  0.5-2 magnitudes of extinction...

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
7
2nd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.95
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
6
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
6
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
6
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Program: 
Proposal: 
2019A-0308
Target of Oportunity: 
No
Time Observed: 
9.75
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
1.0
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
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-07-03 9.75 0.0 0.25 1.0 0.0 11
Source URL (modified on 07/04/2021 - 06:07): http://www.ctio.noao.edu/noao/node/17902

Links
[1] mailto:ian_dellantonio@brown.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/39384/delete?destination=print/content/enr-ctio-blanco-4-m-2021-07-03
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/39384/edit?destination=print/content/enr-ctio-blanco-4-m-2021-07-03
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/17902?destination=print/content/enr-ctio-blanco-4-m-2021-07-03