LTO Report
Kitt Peak Nightly LTO Report For UT: 2021-10-23
Report Time (MST): 05:56
For access to all LTO-Reports go to: http://www-kpno.kpno.noao.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) | 11.9 | 13.7 | 10.3 | 0.8 |
|---|
| Dewpoint Temperature (°C) | -2.6 | 0.1 | -11.1 | 1.8 |
|---|
| Relative humidity (%) | 37 | 46 | 20 | 4.9 |
|---|
| Wind Speed (mph) | 22.1 | 36.1 | 6.8 | 5.2 |
|---|
| Wind Direction (°) | 175 | 156 | 253 | 0.5 |
|---|
| 4M Dome Temperature (°C) | 11.9 | 14.7 | 10.2 | 0.9 |
|---|
| 4M Dome Dewpoint (°C) | -1.3 | 0.6 | -9.0 | 1.3 |
|---|
| 4M Primary Mirror (°C) | 12.9 | 13.4 | 12.4 | 0.3 |
|---|
| Weather Comments: | Clear until 4am when a some light cirrus started moving in. A 15 to 30 mph wind out of the SSW. Humidity in the 30 to 40 percent range. |
|---|
| Recognized Hours: | ( 10.75 ) 18 degree twilight + 0.5 hr. |
Observer Information
| Telescope | Observer | Prop. # | Instrument | Detector | Seeing |
|---|
| 4 Meter | Elliot, Soares-Santos(1st half), Tan(second half) all remote | --- | DESI | N/A | 2.0 |
|---|
| WIYN | Higuera(WIYN house), Logsdon(1st hour - remote) | 2021B-0000 | NEID | N/A | 2.0 |
|---|
| 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 |
|---|
| 9.0 | Scientific Research | | 0.5 | Weather | 04:30 - 05:00 |
| | | | 1.25 | Instrument Problem | 19:30 - 21:00 |
|
| WIYN |
|---|
| 10.75 | Scientific Research | | | | |
|
| 2Meter |
|---|
| 10.75 | Shutdown | | | | |
|
| Feed |
|---|
| 0.0 | Scientific Research | | | | |
|
| W0_9m |
|---|
| 10.75 | Shutdown | | | | |
Observing Status
| 4 Meter | Very poor seeing in the 2 to 3 arc sec range limited useful observing during the first half of the night. Conditions improved enough by 00:25 to allow desi survey work to proceed smoothly until clouds started to interfer at 04:30. Lost 1/2 hour to clouds. Seeing improved to .9 arc sec by 3am. Lost 1.2 hours at the start of the night to a problem with the focus script |
|---|
| WIYN | Full night of NEID-Q observing. Seeing ranged from 1.15 to 2.69 |
|---|
| 2.1 Meter | Not Scheduled |
|---|
| Feed | Not Scheduled |
|---|
| 0.9 Meter | WIYN 0.9M shutdown until further notice. |
|---|
| Comments | Seeing very poor the first half of the night. Slowly improved to sub arc second by 3am. |
|---|
Weather Plots
