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ENR CTIO Blanco 4-m 2021-07-24

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Date: 
Saturday, July 24, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
José Peña Zamudio
Submitter Email: 
Observer Support: 
Manuel Hernandez
Night Assistant: 
Rodrigo Hernandez
Also Present: 
David Rojas, Humberto Orrego.
Problems: 

None.

Comments: 

00:45 - 01:10: Refilled of the vessel due to low LN tank pressure.

Conditions: 
General Conditions
Temperature Max: 
6.00
Temperature Min: 
0.00
Humidity Max: 
95
Humidity Min: 
22
Wind Speed Max: 
38.00
Wind Speed Min: 
9.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.80
Seeing Variability: 
0.8
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020B-0907
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: 
Deep Survey of Neptune Irregulars: Color and sizes
Primary Investigator: 
José Peña Zamudio
Institution: 
Universidad de Chile
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
5.75
Proposal: 
2021A-0149
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.5
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The DECam eROSITA Survey (DeROSITAS)
Primary Investigator: 
Alfredo Zenteno
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-07-24 11.0 0.5 0.0 0.0 0.0 11.5