LTO Report
Kitt Peak Nightly LTO Report For UT: 2024-11-21
Report Time (MST): 05:24
For access to all LTO-Reports go to: http://www-kpno.kpno.noirlab.edu/cgi-bin/ltoreport
4 Meter Weather Averages
From: UT = 01:00 (MST=6:00 PM) To: UT = 13:00 (MST=6:00 AM)
| Elements | Mean | High | Low | AvDev |
|---|
| Air Temperature (°C) | 14.8 | 16.4 | 12.3 | 1.1 |
|---|
| Dewpoint Temperature (°C) | -28.6 | -14.3 | -34.4 | 6.2 |
|---|
| Relative humidity (%) | 4 | 14 | 0 | 3.5 |
|---|
| Wind Speed (mph) | 8.6 | 19.0 | 3.4 | 1.4 |
|---|
| Wind Direction (°) | 44 | 357 | 156 | 1.0 |
|---|
| 4M Dome Temperature (°C) | 13.7 | 15.3 | 12.2 | 0.8 |
|---|
| 4M Dome Dewpoint (°C) | -19.9 | -7.8 | -31.6 | 6.5 |
|---|
| 4M Primary Mirror (°C) | 11.3 | 12.9 | 8.6 | 1.0 |
|---|
| Weather Comments: | Clear skies all night. Winds were about 5mph - 20mph. Humidity was about 1%-15%. |
|---|
| Recognized Hours: | ( 11.25 ) 18 degree twilight + 0.5 hr. |
Observer Information
| Telescope | Observer | Prop. # | Instrument | Detector | Seeing |
|---|
| 4 Meter | LO: Tyas (on site); SOs: Avila (first half, on site), Callow (second half, remote) | --- | DESI | N/A | 1.2 |
|---|
| WIYN | Li (Remote, Hydra); Patel | 2024B-300001 | NEID/HYDRA | N/A | 0.65 |
|---|
| 2.1 Meter | No Observer | --- | N/A | N/A | N/A |
|---|
| Feed | No Observer | --- | N/A | N/A | N/A |
|---|
| 0.9 Meter | No Observer | --- | N/A | N/A | N/A |
|---|
Time Usage During The Night
| Telescope | Hours Used | Night's Activity | | Hours Lost | Time Lost
Due To: | Time of
Night (MST) |
|---|
|
| 4Meter |
|---|
| 5.92 | Scientific Research | | 1.38 | Instrument Problem | 18:00 - 20:00 |
| 3.85 | T and E | | 0.10 | Misc. Problems | 20:00 - 21:00 |
|
| WIYN |
|---|
| 10.91 | Scientific Research | | 0.17 | Tele-Mechanical Problem | 18:00 - 19:00 |
| 0.17 | T and E | | | | |
|
| 2Meter |
|---|
| 11.25 | Shutdown | | 0 | Weather | |
|
| Feed |
|---|
| 0 | Scientific Research | | 0 | Weather | |
|
| W0_9m |
|---|
| 11.25 | Shutdown | | 0 | Weather | |
Observing Status
| 4 Meter | Partial night of DESI survey observing (until moonrise), with remainder dedicated to engineering. Lost first 1.3 hrs to an instrument issue. Seeing ranged 0.9" - 2.3", median of 1.2". |
|---|
| WIYN | Split night between Hydra T & E and NEID Q observing. Lost about 10 min at the start of the night to mirror cover problems (see wiyn night log for details). Seeing ranged 0.48" - 1.12", median of 0.64". |
|---|
| 2.1 Meter | Not Scheduled |
|---|
| Feed | Not Scheduled |
|---|
| 0.9 Meter | WIYN 0.9M shutdown until further notice. |
|---|
| Reported by: | Thaxton Smith |
|---|
Weather Plots
