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ENR CTIO Blanco 4-m 2013-09-24

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Date: 
Tuesday, September 24, 2013
Telescope: 
CTIO Blanco 4-m
Submitter: 
Tammy Roderick
Submitter Email: 
tammy.roderick@anu.edu.au
Observer Support: 
Catherine Kaleida
Night Assistant: 
Leonardo Paredes
Also Present: 
Pete Kuzma, Mauricio Rojas
Problems: 

One of our images (238306) had unusual donut shapes on some CCDs.  It was a 900s exposure in g, and there were some bright stars nearby.  We used a dither patter which I think is why this only showed up on one image.

No other problems

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.95
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2013B-0617
Target of Oportunity: 
No
Time Observed: 
10.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.5
Time lost other: 
0.0
Description: 
A DECam search for stellar streams in the outer Galactic halo
Primary Investigator: 
Dougal Mackey
Email: 
dougal.mackey@anu.edu.au
Institution: 
ANU
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
11
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2013-09-24 10.5 0.0 0.0 0.5 0.0 11