You are here

CTIO Home

ENR CTIO Blanco 4-m 2026-02-21

Primary tabs

Date: 
Saturday, February 21, 2026
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eshwar Puvvada
Submitter Email: 
epuvvada@purdue.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Zenteno
Also Present: 
Roberto Aviles, Arjun Dey
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
22.00
Temperature Min: 
16.00
Humidity Max: 
56
Humidity Min: 
30
Wind Speed Max: 
6.00
Wind Speed Min: 
1.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.30
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
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
Program: 
Proposal: 
2023B-184194
Target of Oportunity: 
No
Time Observed: 
8.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Effiiciently Mapping z>2 Universe with Medium-Band Filters
Primary Investigator: 
Dey-Schlegel
Email: 
arjun.dey@noirlab.com
Institution: 
NOIRLab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
8.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2026-02-21 8.5 0.0 0.0 0.0 0.0 8.5