LTO Report
Kitt Peak Nightly LTO Report For UT: 2018-10-15
Report Time (MST): 04:53
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) | 7.4 | 8.2 | 6.6 | 0.3 |
|---|
| Dewpoint Temperature (°C) | 4.9 | 6.3 | 2.6 | 0.7 |
|---|
| Relative humidity (%) | 85 | 93 | 72 | 4.2 |
|---|
| Wind Speed (mph) | 9.0 | 18.0 | 0.8 | 3.1 |
|---|
| Wind Direction (°) | 290 | 92 | 188 | 0.6 |
|---|
| 4M Dome Temperature (°C) | 0.0 | 0.0 | 0.0 | |
|---|
| 4M Dome Dewpoint (°C) | 0.0 | 0.0 | 0.0 | |
|---|
| 4M Primary Mirror (°C) | 0.0 | 0.0 | 0.0 | |
|---|
| Weather Comments: | Threatening clouds and fog until about 23:00. After the clouds and fog
disappeared high humidity persisted. The humidity was quite unstable bouncing
from 100% to 80%, or a bit lower. But, it was never below the limit long enough
for the domes to dry out. |
|---|
| Recognized Hours: | ( 10.5 ) 18 degree twilight + 0.5 hr. |
Observer Information
| Telescope | Observer | Prop. # | Instrument | Detector | Seeing |
|---|
| 4 Meter | No Observer | 2018A-0922 | N/A | N/A | N/A |
|---|
| WIYN | Smith -1st half- (remote)/ Douglas -2nd half- (remote) | 2018B-0331/2018B-0133 | HYDRA | STA1 | N/A |
|---|
| 2.1 Meter | No Observer | --- | N/A | N/A | N/A |
|---|
| Feed | No Observer | --- | N/A | N/A | N/A |
|---|
| 0.9 Meter | Buckner, Prue, Wronko | 2018B-0919 | HDI | 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 |
|---|
| 10.5 | Shutdown | | | | |
|
| WIYN |
|---|
| 0.0 | Scientific Research | | 10.5 | Weather | 19:00 - 05:30 |
|
| 2Meter |
|---|
| 0.0 | Scientific Research | | | | |
|
| Feed |
|---|
| 0.0 | Scientific Research | | | | |
|
| W0_9m |
|---|
| 0.0 | Scientific Research | | 10.5 | Weather | 19:00 - 05:30 |
Observing Status
| 4 Meter | Mayall shutdown in preparation for DESI. |
|---|
| WIYN | Closed all night to bad weather. |
|---|
| 2.1 Meter | Not Scheduled |
|---|
| Feed | Not Scheduled |
|---|
| 0.9 Meter | Closed all night to bad weather. |
|---|
| Comments | Not much to report - closed all night to bad weather, and dripping domes. |
|---|
| Reported by: | Doug Williams |
|---|
Weather Plots
