You are here

CTIO Home

ENR CTIO Blanco 4-m 2013-09-07

Primary tabs

Date: 
Saturday, September 7, 2013
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eusebio Sanchez
Submitter Email: 
eusebio.sanchez@ciemat.es
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
Niall Macrann, Andres Plazas
Problems: 

DIMM reference for FWHM does not work properly
Seeing became very bad during the middle of the night (close to 2 arcsec)
Offset for some expsures were very large
ICS telemetry alarm every half an hour
A problem with the flat fields at the beginning of the night

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
18.00
Temperature Min: 
14.00
Humidity Max: 
38
Humidity Min: 
30
Wind Speed Max: 
15.00
Wind Speed Min: 
0.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
10.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DES
Primary Investigator: 
Josh Frieman
Email: 
frieman@fnal.gov
Institution: 
Fermilab
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
2013-09-07 10.0 0.0 0.0 0.0 0.0 10