Published on CTIO (http://www.ctio.noao.edu/noao)

CTIO Home > ENR CTIO Blanco 4-m 2025-04-28

ENR CTIO Blanco 4-m 2025-04-28

Date: 
Monday, April 28, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Ana Sofia Uzsoy, Swayamtrupta Panda
Submitter Email: 
ana_sofia.uzsoy@cfa.harvard.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Rodrigo Hinojosa
Also Present: 
Guillermo Damke, Claudio Aguilera
Problems: 

None.

Comments: 

18:17 Sunset
18:41 Moonset
18:52 Evening -10
19:02 LTT3218 in three MB (M464, M490, M517) and g-band
19:08 Pyxis in M490
19:11 Evening -14
19:24 COSMOS g-band pointing check
19:30 Evening -18
19:30 COSMOS deep (three MB - M464, M490, M517)
20:12 pointing check (switched the IBIS_ETC to photometric)
21:12 pointing check
21:30 First quarter conditions updated. Clear, low wind, seeing ~1.15”
22:48 switch to COSMOS wide (M490)
00:30 Second quarter conditions updated. Clear, low wind, seeing ~1.1”
00:40 Midpoint
01:23 Seeing went up to 1.32”.
02:39 Queue running smoothly. Seeing down to 1.06”.
03:12 Wind Speed at 27 km/h
03:30 Third quarter conditions updated. Clear, mild wind, seeing ~1.15”
05:19 pointing check
05:48 NGC7492 in M517
05:51 Morning -18
05:48 NGC7492 in M490
06:08 Morning -14
06:12 LTT6248 in M464
06:14 LTT6248 in gr
06:16 LTT6248 in M517, observing finished.
06:28 Morning -10
06:30 Last quarter conditions updated. Clear, low wind, seeing ~1.1”
07:04 Sunrise

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.15
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
  • Delete
  • Edit
Program: 
Proposal: 
2023B-184194
Target of Oportunity: 
No
Time Observed: 
11.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Efficiently Mapping the z>2 Universe with Medium-Band Filters
Primary Investigator: 
Dey-Schlegel
Email: 
arjun.dey@noirlab.edu [1]
Institution: 
NOIRLab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-04-28 11.5 0.0 0.0 0.0 0.0 11.5
Source URL (modified on 04/29/2025 - 07:18): http://www.ctio.noao.edu/noao/node/22731

Links
[1] mailto:arjun.dey@noirlab.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44368/delete?destination=print/content/enr-ctio-blanco-4-m-2025-04-28
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44368/edit?destination=print/content/enr-ctio-blanco-4-m-2025-04-28
[4] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/22731?destination=print/content/enr-ctio-blanco-4-m-2025-04-28