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ENR CTIO Blanco 4-m 2023-04-16

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Date: 
Sunday, April 16, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Kathy Vivas
Submitter Email: 
kathy.vivas@noirlab.edu
Observer Support: 
Claudio Aguilera
Night Assistant: 
Manuel Hernandez
Also Present: 
MERIAN observers
Problems: 

5:19am - TCS error (lost control of mount) when moving to 1195427. Exposure aborted since it started and the telescope was not at the right coordinates. Took less than 10 min to recover. 

Comments: 

Partially cloudy after 3am. Observing through clouds the rest of the night.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
Program: 
Proposal: 
2021A-0288
Target of Oportunity: 
No
Time Observed: 
5.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Merian Survey
Primary Investigator: 
Alexie Leauthaud
Email: 
alexie@ucsc.edu
Institution: 
UCSC
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5
Proposal: 
2019A-0305
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DELVE
Primary Investigator: 
A Drlica-Wagner
Email: 
kadrlica@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-04-16 10.25 0.0 0.0 0.0 0.0 10.25