Date:
Wednesday, October 29, 2014
Telescope:
CTIO Blanco 4-m
Submitter:
Francisco Castander
Submitter Email:
Observer Support:
Hernan Tirado
Night Assistant:
Alberto Alvarez
Also Present:
Simon Birrer, Francisco Castander, Brian Nord
Problems:
# At 6:00pm (local time) re-start SISPI
# ~08:00pm (local) Observer2 console hung when taking a snapshot of flatcheck output
# 08:25pm (local) Observer2 re-started
# re-started SISPI
# SISPI did not come up properly
# logged out and back in observer1 terminal
# 20:52 (local) SISPI up again
# around 2:00 (local time) there are >10" offsets in dec; so take a centering pointing exposure
Program:
Proposal:
2012B-0001
Target of Oportunity:
No
Time Observed:
6.5
Time Engineering:
0.0
Time lost technical:
0.0
Time lost weather:
1.5
Time lost other:
0.0
Description:
DES
Primary Investigator:
Josh Frieman
Email:
Institution:
Fermilab
Instrument:
CTIO 4m DECam
Organization:
NOAO
Total Program Time:
8
Total Times | Time Observed | Time Engineering | Time lost technical | Time lost weather | Time lost other | Total Program Time |
---|---|---|---|---|---|---|
2014-10-29 | 6.5 | 0.0 | 0.0 | 1.5 | 0.0 | 8 |
*Conditions*
# weather in afternoon: 5:00pm (local): cloudy, mostly thin clouds, wind ~7 mph, 14C, 45% humidity
# weather after dinner: 7:15pm (local): cloudy, mostly thin clouds, wind ~7 mph, 9C, 55% humidity
# 08:51pm local close dome (cloudy outside)
# weather after sunset: 9:00pm (local): cloudy, mostly thin clouds, wind ~5 mph, 10C, 50% humidity
# 22:45 re-open dome
# weather at opening 23:00 (local): clear, wind ~5 mph, 10C, 40% humidity
# weather during night: 02:00 (local): clear, wind ~5 mph, 10C, 40% humidity
# weather at morning twilight: 05:45 (local): clear, wind ~14 mph, 9C, 40% humidity
# weather summary: cloudy then cleared, 10C, low wind except the last two hours
# Seeing conditions: 0.8 (rms 0.1) until 23:30 (local); 1.2 (rms 0.2) until 02:00 (local); increased monotonically to 2.2 at 03:20; stayed at 1.3 (rms 0.2) until twilight
# Wind conditions: low most of night, except last ~2 hour; had to raise windscreens 23:56 (local), lower them at 03:08 and raise them again at 04:10