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

CTIO Home > ENR CTIO Blanco 4-m 2025-11-04

ENR CTIO Blanco 4-m 2025-11-04

Date: 
Tuesday, November 4, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Gabriel Pichihueche (1st half)/Guillermo Damke (2nd half)
Submitter Email: 
gabo.pichihueche@gmail.com
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Alberto Alvarez
Also Present: 
Sean Points, Roberto Aviles
Problems: 

None.

Comments: 

Last AEON target completed around 05:40, next is scheduled for Nov 6 at 01:26CLT so, we called it a night.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
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Program: 
Proposal: 
2025B-587252
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: 
The largest H-alpha survey of galaxy cluster at intermediate redshifts
Primary Investigator: 
Cristolbal Sifon
Email: 
cristobal.sifon@pucv.cl [1]
Institution: 
PUCV
Instrument: 
CTIO 4m Newfirm
Organization: 
Chile
Total Program Time: 
4.25
Proposal: 
AEON
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
Guillermo Damke
Email: 
guillermo.damke@noirlab.edu [4]
Institution: 
NOIRLab
Instrument: 
CTIO 4m Newfirm
Organization: 
MSU
Total Program Time: 
4
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-11-04 8.25 0.0 0.0 0.0 0.0 8.25
Source URL (modified on 11/05/2025 - 06:15): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2025-11-04

Links
[1] mailto:cristobal.sifon@pucv.cl
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44789/delete?destination=print/node/23340
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44789/edit?destination=print/node/23340
[4] mailto:guillermo.damke@noirlab.edu
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44790/delete?destination=print/node/23340
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44790/edit?destination=print/node/23340
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/23340?destination=print/node/23340