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ENR CTIO Blanco 4-m 2018-08-28

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Date: 
Tuesday, August 28, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Arjun Dey
Submitter Email: 
dey@noao.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Alistair Walker
Problems: 

UT 23:17 Dome error at start of night. On/Off/On fixed this. 5 min of bright twilight time "lost"

UT 03:32 Frame 766567 was not taken because of SISPI hiccup when zero point correction was applied. No time lost.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
6.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECam Legacy Survey (DECaLS)
Primary Investigator: 
David Schlegel
Email: 
DJSchlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
6
Proposal: 
2013A-9999
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
4.5
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Star Flats
Primary Investigator: 
A. Walker
Email: 
awalker@ctio.noao.edu
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-08-28 6.0 4.5 0.0 0.0 0.0 10.5