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ENR CTIO Blanco 4-m 2018-08-30

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Date: 
Thursday, August 30, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eddie Schlafly
Submitter Email: 
eschlafly@gmail.com
Observer Support: 
Alistair Walker
Night Assistant: 
Claudio Aguilera
Problems: 

None.

Comments: 

Cloudy at start of night, but cleared up around 01:00 UT.  Seeing was unfortunately initially poor, >2" or even >3", unfortunately.  Improved to ~1.7 in Q2. 

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
8
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
2.00
Seeing Variability: 
0.8
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
4.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
1.0
Time lost other: 
0.0
Description: 
DECam Legacy Survey
Primary Investigator: 
David Schlegel
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Proposal: 
2018A-0386
Target of Oportunity: 
No
Time Observed: 
0.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
4.75
Time lost other: 
0.0
Description: 
Completing the Southern eROSITA Sky with DECam
Primary Investigator: 
Alfredo Zenteno
Email: 
alfredo@ctio.noao.edu
Institution: 
NOAO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-08-30 4.75 0.0 0.0 5.75 0.0 10.5