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CTIO Home > ENR CTIO Blanco 4-m 2025-06-21

ENR CTIO Blanco 4-m 2025-06-21

Date: 
Saturday, June 21, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
K. Boutsia
Submitter Email: 
konstantina.boutsia@noirlab.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
H. Bouy, C. Johnson, R. Hinojosa, K. Boutsia
Problems: 

At 23:00 local time, there was an issue with the C-Rios, had to restart SISPI - 15min lost.

EoR page down.

Comments: 

Clouds for the 2nd part of the night 

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
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Program: 
Proposal: 
2025A-593334
Target of Oportunity: 
No
Time Observed: 
5.5
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Evolution of protoplanetary disks around young free-floating planets
Primary Investigator: 
H. Bouy
Email: 
herve.bouy@u-bordequx.fr [1]
Institution: 
U Bordeaux
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
5.75
Proposal: 
2025A-981092
Target of Oportunity: 
No
Time Observed: 
1.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
4.0
Time lost other: 
0.0
Description: 
Calcium HK Metallicity Survey of the Southern Galactic Bulge
Primary Investigator: 
C. Johnson, A. Calamida
Email: 
chjohnson1@stsci.edu [4]
Institution: 
STSCI
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-06-21 7.25 0.0 0.25 4.0 0.0 11.5
Source URL (modified on 06/23/2025 - 14:14): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2025-06-21

Links
[1] mailto: herve.bouy@u-bordequx.fr
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44465/delete?destination=print/node/22885
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44465/edit?destination=print/node/22885
[4] mailto:chjohnson1@stsci.edu
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44466/delete?destination=print/node/22885
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44466/edit?destination=print/node/22885
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/22885?destination=print/node/22885