You are here

CTIO Home

ENR CTIO Blanco 4-m 2017-09-21

Primary tabs

Date: 
Thursday, September 21, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Claire Poppett
Submitter Email: 
clpoppett@lbl.gov
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Also Present: 
David Herrera
Problems: 

None.

Comments: 

Smooth start to the evening. Clear skies and no wind. 100% of time spent observing with good seeing

Conditions: 
General Conditions
Temperature Max: 
15.00
Temperature Min: 
12.00
Humidity Max: 
32
Humidity Min: 
18
Wind Speed Max: 
15.00
Wind Speed Min: 
0.00
Comment: 
Clear skies, no wind
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.10
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
DECals
Target of Oportunity: 
No
Time Observed: 
10.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
David Schlegel
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
10.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-09-21 10.5 0.0 0.0 0.0 0.0 10.5