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ENR CTIO Blanco 4-m 2021-03-19

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Date: 
Friday, March 19, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Ralf Kotulla
Submitter Email: 
kotulla@wisc.edu
Observer Support: 
Kathy Vivas
Night Assistant: 
Claudio Aguilera
Also Present: 
Kiana Whitfield
Problems: 

None

Comments: 

Clouds and high humidity during the first half of the night until around 05:30 UTC. Poor seeing (> ~2.5"; partly due to warm dome?) during observing, then settling down to ~1.5"

Conditions: 
General Conditions
Temperature Max: 
6.00
Temperature Min: 
5.00
Humidity Max: 
82
Humidity Min: 
72
Wind Speed Max: 
22.00
Wind Speed Min: 
8.00
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2021A-0117
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
6.0
Time lost other: 
0.0
Description: 
Giant-dwarf galaxy interactions ...
Primary Investigator: 
Ralf Kotulla
Email: 
kotulla@wisc.edu
Institution: 
University of Wisconsin -- Madison
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-03-19 4.0 0.0 0.0 6.0 0.0 10