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CTIO Home > ENR CTIO Blanco 4-m 2013-04-01

ENR CTIO Blanco 4-m 2013-04-01

Date: 
Monday, April 1, 2013
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eric Huff , Nick Mostek
Submitter Email: 
emhuff@gmail.com
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Omar Estay & G. Schumacher from LS
Problems: 

We had significant trouble with pointing  (offsets  above 50" after correction) at the beginning of the night. Alberto and Hernan resolved this issue after 9 PM, and pointing was stable through the rest of the night.

Comments: 

The 9:01 PM TCS failure, which had occurred on two previous nights, did not recur.

Alberto made some adjustments to the louvres and wind screen around 6:45 UTC. This may have improved the seeing, from 1.4" to 1.1", for the next two hours.

Conditions: 
General Conditions
Temperature Max: 
8.00
Temperature Min: 
7.50
Humidity Max: 
45
Humidity Min: 
24
Wind Speed Max: 
30.00
Wind Speed Min: 
19.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
1.10
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
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Program: 
Proposal: 
2013A-0714
Target of Oportunity: 
No
Time Observed: 
7.75
Time Engineering: 
0.0
Time lost technical: 
0.75
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
An i-band Survey of the Equatorial Sky for MS-DESI
Primary Investigator: 
David Schlegel
Email: 
djschlegel@lbl.gov [1]
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
8.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2013-04-01 7.75 0.0 0.75 0.0 0.0 8.5
Source URL (modified on 04/02/2013 - 07:18): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2013-04-01

Links
[1] mailto:djschlegel@lbl.gov
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/824/delete?destination=print/node/3430
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/824/edit?destination=print/node/3430
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/3430?destination=print/node/3430