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CTIO Home > ENR CTIO Blanco 4-m 2025-03-18

ENR CTIO Blanco 4-m 2025-03-18

Date: 
Tuesday, March 18, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Gabriel Pichihueche
Submitter Email: 
gabo.pichihueche@gmail.com
Observer Support: 
Claudio Aguilera
Night Assistant: 
Manuel Hernandez
Also Present: 
Rodrigo Hernandez
Problems: 

Guider lost the guiding star multiple times during the second half, also the filter wheel is having problems when switching between filters sometimes, 30 minutes lost in total.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0
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: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
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Program: 
Proposal: 
2025A-417679
Target of Oportunity: 
No
Time Observed: 
4.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Searching for massive galaxies in a proto-supercluster
Primary Investigator: 
Vandana Ramakrishnan
Email: 
ramakr18@purdue.edu [1]
Institution: 
Purdue University
Instrument: 
CTIO 4m Newfirm
Organization: 
NOAO
Total Program Time: 
4.5
Proposal: 
2025A-580842
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
0.5
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Narrow-Band H-alpha Survey of Massive Galaxy Clusters and Large-Scale Structure
Primary Investigator: 
Cristobal Sifon
Email: 
cristobal.sifon@pucv.cl [4]
Institution: 
PUCV
Instrument: 
CTIO 4m Newfirm
Organization: 
Chile
Total Program Time: 
4.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-03-18 8.5 0.0 0.5 0.0 0.0 9
Source URL (modified on 03/19/2025 - 07:14): http://www.ctio.noao.edu/noao/node/22613

Links
[1] mailto:ramakr18@purdue.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44284/delete?destination=print/content/enr-ctio-blanco-4-m-2025-03-18
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44284/edit?destination=print/content/enr-ctio-blanco-4-m-2025-03-18
[4] mailto:cristobal.sifon@pucv.cl
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44285/delete?destination=print/content/enr-ctio-blanco-4-m-2025-03-18
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44285/edit?destination=print/content/enr-ctio-blanco-4-m-2025-03-18
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/22613?destination=print/content/enr-ctio-blanco-4-m-2025-03-18