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

CTIO Home > ENR CTIO Blanco 4-m 2026-01-31

ENR CTIO Blanco 4-m 2026-01-31

Date: 
Saturday, January 31, 2026
Telescope: 
CTIO Blanco 4-m
Submitter: 
Sean Points (1st half) / Ko Ishida (2nd half)
Submitter Email: 
sean.points@noirlab.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hinojosa
Problems: 

None.

Comments: 

First-half: Perfomred focus tests with JX, HX, KXs, 1644, 2124, and 2168 at various sky positions.  Tested command line observing scripts.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
  • Delete
  • Edit
Program: 
Proposal: 
NEWFIRM Engineering
Target of Oportunity: 
No
Time Engineering: 
4.25
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
NEWFRM Engineering
Primary Investigator: 
Points
Email: 
sean.points@noirlab.edu [1]
Institution: 
CTIO
Instrument: 
CTIO 4m Newfirm
Organization: 
NOAO
Total Program Time: 
4.25
Proposal: 
2025B-980446
Target of Oportunity: 
No
Time Observed: 
4.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
NEWFIRM narrow-band survey for 2QZ cluster
Primary Investigator: 
Ko Ishida
Email: 
ko.ishida@astr.tohoku.ac.jp [4]
Institution: 
Tohoku University
Instrument: 
CTIO 4m Newfirm
Organization: 
NOAO
Total Program Time: 
4.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2026-01-31 4.25 4.25 0.0 0.0 0.0 8.5
Source URL (modified on 02/01/2026 - 06:36): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2026-01-31

Links
[1] mailto:sean.points@noirlab.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/45000/delete?destination=print/node/23610
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/45000/edit?destination=print/node/23610
[4] mailto:ko.ishida@astr.tohoku.ac.jp
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/45001/delete?destination=print/node/23610
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/45001/edit?destination=print/node/23610
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/23610?destination=print/node/23610