Date:
Tuesday, July 21, 2015
Telescope:
CTIO Blanco 4-m
Submitter:
Eduard Rusu
Submitter Email:
Observer Support:
Leonardo Paredes
Night Assistant:
Alberto Alvarez
Problems:
Lost guiding at 06:50 UT due to clouds - lost frame 872 and put queue on hold. We were a bit fooled by the weather, since the Rasicam display froze.
Shutting the dome at 07:25 UT due to the weather conditions. Called it a night at 08:05 UT.
Program:
Proposal:
2015A-0177
Target of Oportunity:
No
Time Observed:
7.25
Time Engineering:
0.0
Time lost technical:
0.0
Time lost weather:
4.0
Time lost other:
0.0
Description:
Deep u-band imaging of a gravitational lens field
Primary Investigator:
Eduard Rusu
Email:
Institution:
UC Davis
Instrument:
CTIO 4m DECam
Organization:
NOAO
Total Program Time:
11.25
| Total Times | Time Observed | Time Engineering | Time lost technical | Time lost weather | Time lost other | Total Program Time |
|---|---|---|---|---|---|---|
| 2015-07-21 | 7.25 | 0.0 | 0.0 | 4.0 | 0.0 | 11.25 |
Printer-friendly version
Most of the seeing measurements were taken in u-band.
Amount of sky covered by clouds was highly variable for the first part of the night as a system came in from the Pacific. Conditions continued to deteriorate during the third quarter of the night, until we had to close the dome at 07:25 UT.