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ENR CTIO Blanco 4-m 2023-02-05

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Date: 
Sunday, February 5, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Clara Martínez-Vázquez
Submitter Email: 
clara.martinez@noirlab.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Problems: 

None.

 

Comments: 

Weird ghosts seen in exposures 1171023, 1171024, 1171026. They are extended and thick (resembling diffuse tubes). I took screenshots.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.8
Seeing Source: 
The Telescope I used
Sky : 
6
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2023A-879841
Target of Oportunity: 
No
Time Observed: 
7.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
1.5
Time lost other: 
0.0
Description: 
The dark matter density profile of a tidally disrupting dwarf galaxy
Primary Investigator: 
Martinez-Vazquez
Email: 
clara.martinez@noirlab.edu
Institution: 
Gemini Observatory
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
8.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-02-05 7.0 0.0 0.0 1.5 0.0 8.5