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ENR CTIO Blanco 4-m 2022-07-31

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Date: 
Sunday, July 31, 2022
Telescope: 
CTIO Blanco 4-m
Submitter: 
Tommaso Marchetti
Submitter Email: 
tommaso.marchetti@eso.org
Observer Support: 
Kathy Vivas
Night Assistant: 
Hernan Tirado
Also Present: 
Christian Johnson, Gustavo Medina
Problems: 

None.

Comments: 

Relatively stable seeing around 1.0 - 1.2 arcsec, low-wind

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
4
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
3
3rd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Cirrus
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
3
Program: 
Proposal: 
2022A-944414
Target of Oportunity: 
No
Time Observed: 
6.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
BDBS North
Primary Investigator: 
Christian Johnson
Email: 
chjohnson1@stsci.edu
Institution: 
Space Telescope Science Institute
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
6
Proposal: 
2019A-0305
Target of Oportunity: 
No
Time Observed: 
5.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECam Local Volume Exploration survey
Primary Investigator: 
Drlica-Wagner
Email: 
kadrlica@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2022-07-31 11.75 0.0 0.0 0.0 0.0 11.75