Date:
Saturday, April 26, 2025
Telescope:
CTIO Blanco 4-m
Submitter:
Ana Sofia Uzsoy, Swayamtrupta Panda
Submitter Email:
Observer Support:
Manuel Hernandez
Night Assistant:
Rodrigo Hernandez
Also Present:
Arjun Dey, Dustin Lang, Guillermo Damke, Alfredo Zenteno
Problems:
None.
Program:
Proposal:
2023B-184194
Target of Oportunity:
No
Time Observed:
11.25
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:
Institution:
Noirlab
Instrument:
CTIO 4m DECam
Organization:
NOAO
Total Program Time:
11.25
| Total Times | Time Observed | Time Engineering | Time lost technical | Time lost weather | Time lost other | Total Program Time |
|---|---|---|---|---|---|---|
| 2025-04-26 | 11.25 | 0.0 | 0.0 | 0.0 | 0.0 | 11.25 |
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18:19 Sunset
18:54 Evening -10
19:03 LTT3218 in three MB (M464, M490, M517) and g-band
19:07 Pyxis in M464
19:13 Evening -14
19:24 COSMOS g-band pointing check
19:28 COSMOS deep (three MB - M464, M490, M517)
20:51 Seeing down to 1.08”
21:30 First quarter conditions updated. Clear, low wind, seeing ~1.2”
22:41 switch to COSMOS wide (M517)
00:30 Second quarter conditions updated. Clear, low wind, seeing ~1.1”
00:41 Midpoint
03:01 Queue running smoothly. Mild modulations in seeing (between 1.05” - 1.15”)
03:30 Third quarter conditions updated. Clear, mild wind, seeing ~1.15”
05:50 Morning -18
05:50 NGC7492 in M464
06:04 NGC7492 in M490
06:06 Last quarter conditions updated. Clear, low wind, seeing ~1.1”
06:07 Morning -14, end of observing
06:27 Morning -10
06:54 Moonrise
07:03 Sunrise