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ENR CTIO Blanco 4-m 2015-02-20

Date: 
Friday, February 20, 2015
Telescope: 
CTIO Blanco 4-m
Submitter: 
Jorge Martinez
Submitter Email: 
jorgemarpa@ug.uchile.cl
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
Lluis Galbany, Guliano Pignata
Problems: 

High humidity up to 90% and poor seeing up to 3.0 arcsec

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
10.00
Temperature Min: 
7.00
Humidity Max: 
90
Humidity Min: 
75
Wind Speed Max: 
30.00
Wind Speed Min: 
5.00
Comment: 
We had to close due to weather condition, high humidity above 85% from 2:15 to 7:00 UTC. The average was 2.4 with maximum values up to 3.0.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
2.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
2
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
5
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
2.40
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
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Program: 
Proposal: 
C2015A-0608
Target of Oportunity: 
No
Time Observed: 
3.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
5.5
Description: 
HITS
Primary Investigator: 
Forster Francisco
Email: 
francisco.forster@gmail.com [1]
Institution: 
Universidad de Chile
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
8.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2015-02-20 3.0 0.0 0.0 0.0 5.5 8.5
Source URL (modified on 02/21/2015 - 06:16): http://www.ctio.noao.edu/noao/content/enr-ctio-blanco-4-m-2015-02-20

Links
[1] mailto:francisco.forster@gmail.com
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/2157/delete?destination=print/content/enr-ctio-blanco-4-m-2015-02-20
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/2157/edit?destination=print/content/enr-ctio-blanco-4-m-2015-02-20
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/7317?destination=print/content/enr-ctio-blanco-4-m-2015-02-20