You are here

CTIO Home

ENR CTIO Blanco 4-m 2018-11-11

Primary tabs

Date: 
Sunday, November 11, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Arjun Dey
Submitter Email: 
dey@noao.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
Shadab Alam (observer)
Problems: 

No instrument problems. 

Comments: 

Another very poor seeing, cloudy night. Lost ~2.5h to clouds, and probably the equivalent of 2 more hours to crappy seeing.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
2.00
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
2.20
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
7
4th Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
2.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
8
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.5
Time lost other: 
0.0
Description: 
DECaLS
Primary Investigator: 
Schlegel & Dey
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
7.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-11-11 5.25 0.0 0.0 2.5 0.0 7.75