Date:
Wednesday, December 10, 2014
Telescope:
CTIO Blanco 4-m
Submitter:
Michael Schubnell
Submitter Email:
Observer Support:
Hernan Tirado
Night Assistant:
Alberto Alvarez
Also Present:
Ricardo Ogando, Ross Cawthorn, Michael Schubnell,
Problems:
None.
Comments:
*Observing Team*
_DES Observers:_ Ricardo Ogando (RM), Ross Cawthon (Obs1), Michael Schubnell (Obs2)
_Telops:_ Alberto Alvarez, Hernan Tirado, Leonardo Paredes
_Remote Support:_ David James (via Skype)
*Observing Plan*
# standard bias and dome flat sequence
# evening standard stars
# run ObsTac queue
# morning standard stars
*Conditions*
# Weather at 9 pm: Clear overheal, significant clouds at low elevation
# 10:30pm winds average > 10 mph and we are putting up wind screen
# 11:30pm winds average below 5mph and we remove wind screen
# 04:00am winds average > 10 mph and we are putting up wind screen
# Seeing started out at 1.1 during first quarter of the night and improved to 1.0 during the second quarter. At around 12:30am seeing brifly deteriorated to about 2. Seeing improved again at 1am
# Seeing according to QR ranged between 0.8-1.2", averaging around 1.0"
esp
# very cloudy at low elevation early on but improving throughout the night.
*Accomplishments*
# Afternoon: zeros, dome flat sequence (ugrVRizY).
# Evening: Standards (SDSSJ2140-0000, SDSSJ0320-0000) during non-photometric conditions
# Overall: Supernova exposures SN-E1 (386229 - 386234), SN-E2 (386235-386240), survey (386241 - 386463).
# Morning: Standards (SDSSJ1227-0000, SDSSJ1227-0000, SDSSJ1227-0000 ) and biases
*Problems tagged as Synopsis_Problem*
#
*Minor Problems and Relevant Information*
# RASICAM not running tonight.
*Notes for Data Management*
#
Program:
Proposal:
2012B-0001
Target of Oportunity:
No
Time Observed:
7.5
Time Engineering:
0.0
Time lost technical:
0.0
Time lost weather:
0.0
Time lost other:
0.0
Description:
Dark Energy Survey
Primary Investigator:
Josh Frieman
Email:
Institution:
Fermilab
Instrument:
CTIO 4m DECam
Organization:
NOAO
Total Program Time:
7.5
Total Times | Time Observed | Time Engineering | Time lost technical | Time lost weather | Time lost other | Total Program Time |
---|---|---|---|---|---|---|
2014-12-10 | 7.5 | 0.0 | 0.0 | 0.0 | 0.0 | 7.5 |