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CTIO Home > ENR CTIO Blanco 4-m 2017-08-15

ENR CTIO Blanco 4-m 2017-08-15

Date: 
Tuesday, August 15, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Alfredo Zenteno
Submitter Email: 
azenteno@ctio.noao.edu
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Alberto Alvarez
Also Present: 
Hernan Tirado
Problems: 

At the beginning of the night, the dome got very close to occlusion. At 20:25 LT we moved the telescope but the dome didnt move in sync.  After the dome arrived to the desired position, it took a several seconds for SISPI to actually start the adquisition.  At UT ~04:08 we recorded two occlusions, and Alberto fixed them manually.

Just after the midpoint handoff, the dome did not rotate fast enough to avoid occluding the telescope for the first exposure of the series.  We attempted to redo the exposure that was lost by the dome occlusion.  Not sure it worked.  No other dome occlusion problems for the rest of the night.

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Comments: 

None.

Second half: http://des-ops.fnal.gov:8080/nightsum/nightsum-2017-08-15/nightsum.html

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
4
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
3
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
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Program: 
Proposal: 
2017B-0285
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Photometric Time Series of Carinae's Great Eruption
Primary Investigator: 
Armin Rest
Email: 
arest@stsci.edu [1]
Institution: 
STSCI
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
5.25
Proposal: 
2012B-0001
Target of Oportunity: 
yes
Time Observed: 
5.75
Time Engineering: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Dark Energy Survey
Primary Investigator: 
Josh Frieman
Email: 
frieman@fnal.gov [4]
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-08-15 11.0 0.0 0.0 0.0 0.0 11
Source URL (modified on 08/16/2017 - 07:27): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2017-08-15

Links
[1] mailto:arest@stsci.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4128/delete?destination=print/node/12343
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4128/edit?destination=print/node/12343
[4] mailto:frieman@fnal.gov
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4129/delete?destination=print/node/12343
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4129/edit?destination=print/node/12343
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/12343?destination=print/node/12343