LTO Report
Kitt Peak Nightly LTO Report For UT: 2016-09-27
Report Time (MST): 04:59
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) | 11.1 | 14.6 | 7.6 | 0.9 |
|---|
| Dewpoint Temperature (°C) | 6.7 | 7.8 | 4.2 | 0.5 |
|---|
| Relative humidity (%) | 75 | 100 | 50 | 7.0 |
|---|
| Wind Speed (mph) | 38.3 | 52.8 | 5.8 | 5.7 |
|---|
| Wind Direction (°) | 115 | 95 | 192 | 0.5 |
|---|
| 4M Dome Temperature (°C) | 11.5 | 12.7 | 10.4 | 0.4 |
|---|
| 4M Dome Dewpoint (°C) | 6.8 | 7.8 | 6.0 | 0.4 |
|---|
| 4M Primary Mirror (°C) | 11.9 | 12.3 | 10.9 | 0.3 |
|---|
| Weather Comments: | High humidity and strong winds out of the east all night. Scattered clouds during the first
part of the night. Thicker clouds moved in around 2200. Thicker clouds dissipated by
midnight. Scattered clouds after that until thicker clouds moved in again around 0230. |
|---|
| Recognized Hours: | ( 9.75 ) 18 degree twilight + 0.5 hr. |
Observer Information
| Telescope | Observer | Prop. # | Instrument | Detector | Seeing |
|---|
| 4 Meter | Probst, Duan, Buckley-Geer, Fagrelius, Turin | 2016B-2008 | Visitor | N/A | N/A |
|---|
| WIYN | Deliyannis -remote- | 2016B-0632 | HYDRA | STA1 | 1.4 |
|---|
| 2.1 Meter | Szafruga | 2015B-3001 | Visitor | N/A | N/A |
|---|
| Feed | No Observer | --- | N/A | N/A | N/A |
|---|
| 0.9 Meter | Jewitt, Milewski, Graykowski | 2016B-0070 | HDI | N/A | 1.7 |
|---|
Time Usage During The Night
| Telescope | Hours Used | Night's Activity | | Hours Lost | Time Lost
Due To: | Time of
Night (MST) |
|---|
|
| 4Meter |
|---|
| 9.75 | T and E | | | | |
|
| WIYN |
|---|
| 3.75 | Scientific Research | | 6.0 | Weather | 22:00 - 05:00 |
|
| 2Meter |
|---|
| 3.75 | Scientific Research | | 6.0 | Weather | 22:00 - 05:00 |
|
| Feed |
|---|
| 0.0 | Scientific Research | | | | |
|
| W0_9m |
|---|
| 3.75 | Scientific Research | | 6.0 | Weather | 20:00 - 05:00 |
Observing Status
| 4 Meter | ProtoDESI testing and engineering. |
|---|
| WIYN | Lost 6 hours to the weather. Seeing estimated with the FOPs between 1.4 arcseconds and 1.8 arcseconds. |
|---|
| 2.1 Meter | Lost 6 hours to the clouds. |
|---|
| Feed | Not Scheduled |
|---|
| 0.9 Meter | Lost 6 hours to the weather. Seeing ranged from 1.5 arcseconds to 2.5 arcseconds. |
|---|
| Comments | Went on a rock run around 0430. We did not see any big rocks on the road. |
|---|
Weather Plots
