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CTIO Home > ENR CTIO Blanco 4-m 2026-01-09

ENR CTIO Blanco 4-m 2026-01-09

Date: 
Friday, January 9, 2026
Telescope: 
CTIO Blanco 4-m
Submitter: 
Kathy Vivas
Submitter Email: 
kathy.vivas@noirlab.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Roberto Aviles
Also Present: 
Rodrigo Hernandez
Problems: 

None.

Comments: 

First half: good data tonight!

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
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Program: 
Proposal: 
2025B-608414
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
Description: 
Variable stars in Fornax dSph galaxy
Primary Investigator: 
Vivas
Email: 
kathy.vivas@noirlab.edu [1]
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
4
Proposal: 
2025B-240381
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
Description: 
volumetric increase of transient detection
Primary Investigator: 
Tomas Ahumada
Email: 
tomas.ahumada@noirlab.edu [4]
Institution: 
NOAO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2026-01-09 8.0 0.0 0.0 0.0 0.0 8
Source URL (modified on 01/10/2026 - 05:49): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2026-01-09

Links
[1] mailto:kathy.vivas@noirlab.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44944/delete?destination=print/node/23538
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44944/edit?destination=print/node/23538
[4] mailto:tomas.ahumada@noirlab.edu
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44945/delete?destination=print/node/23538
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44945/edit?destination=print/node/23538
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/23538?destination=print/node/23538