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ENR CTIO Blanco 4-m 2012-11-25

Date: 
Sunday, November 25, 2012
Telescope: 
CTIO Blanco 4-m
Submitter: 
Tim Abbott
Observer Support: 
Mauricio Rojas
Night Assistant: 
Alberto Alvarez
Also Present: 
Andrea Kunder, German Schumacher, Michael Warner
Problems: 
Script DECam-PointZP-it.csh in ~DECamObserver/ExposureScripts/user_scripts appears to have a sign error in RAOffset. That is, the offset calculated and following the output instructions points East instead of West and vice versa. RAOffset values given in the table below follow the script output convention, but should be inverted in the real world. 4Map failed 3 (4?) times during the night. The third time brought the night to an end as Alberto could not revive the TCS (because the network was out too, from 4am?) and it was too late to call anyone out (4:30am). We gave up at 5am. 'Couldn't even submit a night report.
Comments: 
Pointing map data were obtained. A full map was obtained by 3am, then we started on a second, half-density sweep. Procedure followed was to point at each field, take an image in r, locate the bright star in DS9, identify the x,y physical coordinates of the star (posx,posy below), input these coordinates in Script DECam-PointZP-it.csh, with the DEC of the field, then inform the operator of the RA and DEC offset (RAoffset, DECoffset below) values for insertion into the table used by the TCS group. If I could include a table, I'd put the data here. I will send it in a separate email.
Conditions: 
1st Quarter
Clouds: 
Clear
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
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Program: 
Proposal: 
2012B-9999
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
8.0
Time lost technical: 
3.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECam commissioning, TCS pointing map
Primary Investigator: 
Any of a cast of hundreds
Email: 
tabbott@ctio.noao.edu [1]
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2012-11-25 0.0 8.0 3.0 0.0 0.0 11
Source URL (modified on 11/26/2012 - 12:48): http://www.ctio.noao.edu/noao/node/2686

Links
[1] mailto:tabbott@ctio.noao.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/491/delete?destination=print/content/enr-ctio-blanco-4-m-2012-11-25
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/491/edit?destination=print/content/enr-ctio-blanco-4-m-2012-11-25
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/2686?destination=print/content/enr-ctio-blanco-4-m-2012-11-25