ENR CTIO Blanco 4-m 2012-12-07

Date:

Friday, December 7, 2012

Telescope:

CTIO Blanco 4-m

Submitter:

Liz Buckley-Geer

Observer Support:

Mauricio Rojas

Night Assistant:

Leonardo Paredes

Also Present:

Jim Annis, Huan Lin

Problems:

Some elliptical images. These are noted in the DECam elog and nightsum.

Comments:

Seeing was variable during first half, with Quick Reduce (QR) fwhm of 0.8” to as much as 1.6”, but more steady at 0.8-1” over much of second half of night. Best exposure was Y band 159060, QR fwhm 0.77”.

Conditions:

General Conditions

Temperature Max:

15.00

Temperature Min:

15.00

Humidity Max:

Humidity Min:

Wind Speed Max:

8.00

Wind Speed Min:

0.00

Comment:

None.

Quarters

1st Quarter

Clouds:

Clear

Seeing Value:

1.00

Seeing Variability:

0.2

Seeing Source:

Other

Sky :

2nd Quarter

Clouds:

Clear

Seeing Value:

1.20

Seeing Variability:

0.4

Seeing Source:

Other

Sky:

3rd Quarter

Clouds:

Clear

Seeing Value:

1.20

Seeing Variability:

0.4

Seeing Source:

Other

Sky:

4th Quarter

Clouds:

Clear

Seeing Value:

1.00

Seeing Variability:

Seeing Source:

Other

Sky:

Program:

Proposal:

2012B-0003

Target of Oportunity:

Time Observed:

7.25

Time Engineering:

0.0

Time lost technical:

0.0

Time lost weather:

0.0

Time lost other:

0.0

Description:

DES SV

Primary Investigator:

Josh Frieman

Email:

frieman@fnal.gov [1]

Institution:

Fermilab

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
2012-12-07	7.25	0.0	0.0	0.0	0.0	7.25