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ENR CTIO Blanco 4-m 2022-12-10

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Date: 
Saturday, December 10, 2022
Telescope: 
CTIO Blanco 4-m
Submitter: 
Sean Points
Submitter Email: 
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Tim Abbott, Alfredo Zenteno
Problems: 

I don't know.  We took the 5x60s r images that Alistair suggested in response to the night report of 2022-12-09. Occasioanly, the ICS/Hexapod information seemed to be changing.  Tim noted that there was a distinct lack of donuts beinng reported at the beginning of the night when we were observing SMC fields.  It may have improved once we went to LMC fields.  FWHM and ellipticity values have nnot been unreasonable given DIMM seeing.  No noticiblle ellongation of images from my checks.  Somebody who knows how to interpret alll of the telemetry data should give a look.

Comments: 

We observed 3 SMC fields with N708 (6 x 2 x 30s ; 6 x 2 x 400s) to the same depth (more or less) as our proposed N662 annd N673 exposures, deep and short.  We observed 1 LMC field to the same depth.  We performed a shallower survey of four LMC fields (6 x 2 x 60s).  After this we took star flats in i.  RASICAM indicated that conditions were not photometric so we stopped the star flat observations and called it a night. Many thanks to the DECam team for their work during the engineering shutdown to get us back on sky.  Also many thanks to Alfredo, Tim, Alistair, and Kathy for their advice to prepare me for this observing time.

Looking at data readout, the starflats kept my PropID.  I don't know how to rectify it now.  Starflats had clouds.  Lost last 1 hour of night because of this.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2022B-743998
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
1.0
Time lost technical: 
0.0
Time lost weather: 
1.0
Time lost other: 
0.0
Description: 
H-alpha and [SII] Survey of the SMC
Primary Investigator: 
Sean Points
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
7.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2022-12-10 5.25 1.0 0.0 1.0 0.0 7.25