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ENR CTIO Blanco 4-m 2025-10-21

Date: 
Tuesday, October 21, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Sean Points
Submitter Email: 
sean.points@noirlab.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Alberto Alvarez
Problems: 

1st-half: I am using my NOIRLab provided laptop for the observations and connected to the public wifi. I am using my Keeper connection to my La Serena workstation to observe.  RH and AA, shared with me the DECam Keeper links, but I was not able to connect to that.  I tried to switch to the Tololo wifi, but could not obtain an IP address.  We verified that the DECam Keeper connection links work for people offsite so the observers for the 2nd-half of the night could use Keeper.

Comments: 

1st night of the DECam Magellanic Clouds [OIII] Survey. 

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
3
2nd Quarter
Clouds: 
Cirrus
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
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Program: 
Proposal: 
2025B-285894
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: 
A DECam [OIII] Survey of the Magellanic Clouds
Primary Investigator: 
Points
Email: 
sean.points@noirlab.edu [1]
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.75
Proposal: 
2025A-729671
Target of Oportunity: 
No
Time Observed: 
4.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DESI Transients Survey
Primary Investigator: 
Antonella Palmese
Email: 
apalmese@andrew.cmu.edu [4]
Institution: 
Carnegie
Instrument: 
CTIO 4m DECam
Total Program Time: 
4.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-10-21 9.25 0.0 0.0 0.0 0.0 9.25
Source URL (modified on 10/22/2025 - 06:19): http://www.ctio.noao.edu/noao/node/23298

Links
[1] mailto:sean.points@noirlab.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44759/delete?destination=print/content/enr-ctio-blanco-4-m-2025-10-21
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44759/edit?destination=print/content/enr-ctio-blanco-4-m-2025-10-21
[4] mailto:apalmese@andrew.cmu.edu
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44760/delete?destination=print/content/enr-ctio-blanco-4-m-2025-10-21
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44760/edit?destination=print/content/enr-ctio-blanco-4-m-2025-10-21
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/23298?destination=print/content/enr-ctio-blanco-4-m-2025-10-21