You are here

CTIO Home

ENR CTIO Blanco 4-m 2022-09-17

Primary tabs

Date: 
Saturday, September 17, 2022
Telescope: 
CTIO Blanco 4-m
Submitter: 
Peter Ferguson
Submitter Email: 
peter.ferguson@wisc.edu
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hernandez, Manuel Hernandez
Problems: 

Dome opened 45 min late (23:45 UT) due to high humidity (fog nearby)

lost from 04:11-04:45 UT to refil LN2

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Precipitation: 
High Humidity
Wind: 
Low
Seeing Value: 
2.25
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.80
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
Program: 
Proposal: 
2019A-0305
Target of Oportunity: 
No
Time Observed: 
8.75
Time Engineering: 
0.0
Time lost technical: 
0.75
Time lost weather: 
0.5
Time lost other: 
0.0
Description: 
DECam Local Volume Exploration (DELVE) Survey
Primary Investigator: 
Alex Drlica-Wagner
Email: 
kadrlica@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2022-09-17 8.75 0.0 0.75 0.5 0.0 10