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ENR CTIO Blanco 4-m 2019-11-08

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Date: 
Friday, November 8, 2019
Telescope: 
CTIO Blanco 4-m
Submitter: 
Points
Submitter Email: 
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
JR, HO
Problems: 

After starting with daytime calibrations, we once again ran into the problem of the detector being only partially illuminated.  Sometimes we would get an exposure and other times the image would look like a bias frame.  Javier and Humberto performed many tests and we can verify that a signal is leaving the Torrent electroics to open the shutter but the shutter remains closed.  The problem seems to be coming from inside  Sci-In Tech Shutter Control Box.  We have removed the box from the electronics rack so we can work on it in the electronics lab.  If it cannot be repaired, we will have to order a replacement.  An update will be sent when we have more information.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
COSMOS Engineering
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
7.75
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
COSMOS Engineering
Primary Investigator: 
Points
Institution: 
CTIO
Instrument: 
CTIO 4m COSMOS
Total Program Time: 
7.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2019-11-08 0.0 0.0 7.75 0.0 0.0 7.75