You are here

CTIO Home

ENR CTIO Blanco 4-m 2021-03-13

Primary tabs

Date: 
Saturday, March 13, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Yifei Luo
Submitter Email: 
yifeiluo@ucsc.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Alistair Walker, Jenny Greene, Song Huang, Ting Li, Kathy Vivas
Problems: 

None.

Comments: 

Seeing got very bad for the last hour (~2"), and suddenly got back to 1" during standard stars at sun altitude -14 deg. The DIMM had exactly the same trend as the DECam, so it is likely to be the true seeing of the site.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.85
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020B-0288
Target of Oportunity: 
No
Time Observed: 
4.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The Merian Survey: Characterizing Dark Matter, Feedback, and Black Holes in Star-Forming Dwarf Galaxies
Primary Investigator: 
Alexie Leauthaud
Email: 
alexie@ucsc.edu
Institution: 
University of California, Santa Cruz
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.75
Proposal: 
2019A-0305
Target of Oportunity: 
No
Time Observed: 
4.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
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: 
4.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-03-13 9.5 0.0 0.0 0.0 0.0 9.5