Published on CTIO (http://www.ctio.noao.edu/noao)

CTIO Home > ENR CTIO Blanco 4-m 2017-07-17

ENR CTIO Blanco 4-m 2017-07-17

Date: 
Monday, July 17, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Arjun Dey
Submitter Email: 
dey@noao.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Alberto Alvarez
Problems: 

No major problems. Seeing was poor and highly variable, and this may have been due to the 2-4C difference between the mirror and ambient temperatures (mirror was colder than ambient).

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
  • Delete
  • Edit
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
11.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECaLS
Primary Investigator: 
Schlegel
Email: 
DJSchlegel@lbl.gov [1]
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-07-17 11.25 0.0 0.0 0.0 0.0 11.25
Source URL (modified on 07/18/2017 - 06:51): http://www.ctio.noao.edu/noao/node/12198

Links
[1] mailto:DJSchlegel@lbl.gov
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4073/delete?destination=print/content/enr-ctio-blanco-4-m-2017-07-17
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4073/edit?destination=print/content/enr-ctio-blanco-4-m-2017-07-17
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/12198?destination=print/content/enr-ctio-blanco-4-m-2017-07-17