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ENR CTIO Blanco 4-m 2025-12-10

Date: 
Wednesday, December 10, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
TZ Tang
Submitter Email: 
tztang@bu.edu
Observer Support: 
Konstantina Boutsia
Night Assistant: 
Rodrigo Hernandez
Also Present: 
Anniek Gloudemans
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
0.90
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: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
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Program: 
Proposal: 
2023B-184194
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: 
IBIS
Primary Investigator: 
Dey, Schlegel
Email: 
arjun.dey@noirlab.edu [1]
Institution: 
NOIRLab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4
Proposal: 
2025A-729671
Target of Oportunity: 
No
Time Observed: 
3.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECAT
Primary Investigator: 
A.Palmese
Email: 
apalmese@andrew.cmu.edu [4]
Institution: 
Carnegie-Mellon University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
3.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-12-10 7.75 0.0 0.0 0.0 0.0 7.75
Source URL (modified on 12/11/2025 - 09:39): http://www.ctio.noao.edu/noao/node/23468

Links
[1] mailto:arjun.dey@noirlab.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44870/delete?destination=print/content/enr-ctio-blanco-4-m-2025-12-10
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44870/edit?destination=print/content/enr-ctio-blanco-4-m-2025-12-10
[4] mailto:apalmese@andrew.cmu.edu
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44871/delete?destination=print/content/enr-ctio-blanco-4-m-2025-12-10
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44871/edit?destination=print/content/enr-ctio-blanco-4-m-2025-12-10
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/23468?destination=print/content/enr-ctio-blanco-4-m-2025-12-10