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CTIO Home > ENR CTIO Blanco 4-m 2025-06-28

ENR CTIO Blanco 4-m 2025-06-28

Date: 
Saturday, June 28, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Ian Dell'Antonio
Submitter Email: 
ian_dellantonio@brown.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Also Present: 
Anthony Englert
Problems: 

None.  But the seeing was really bad--2-3,5" almost all night.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
2.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
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Program: 
Proposal: 
2025A-110944
Target of Oportunity: 
No
Time Observed: 
11.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Creating a Uniform Sample of Clusters with X-ray and SZ Measurements in the Local Universe
Primary Investigator: 
Ian Dell'Antonio
Email: 
ian_dell'antonio@brown.edu [1]
Institution: 
Brown University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-06-28 11.5 0.0 0.0 0.0 0.0 11.5
Source URL (modified on 06/29/2025 - 06:29): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2025-06-28

Links
[1] mailto:ian_dell'antonio@brown.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44484/delete?destination=print/node/22906
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44484/edit?destination=print/node/22906
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/22906?destination=print/node/22906