ENR CTIO Blanco 4-m 2014-12-20

*Observing Team*

 

_DES Observers:_ Ross Cawthon (RM), Anthony Kremin (Obs1), Rutuparna Das (Obs2)

_Telops:_  Alberto Alvarez, Manuel Hernandez

_Remote Support:_ 

 

*Observing Plan*

 

# standard bias and dome flat sequence

# new nightly sequence of dark images

# evening standard stars (not completed due to clouds)

# run ObsTac queue

# morning standard stars and bias

 

*Conditions*

 

#09:32pm (Eve. -10): Partially cloudy sky - about 3/8 covered.  Wind speed averages > 7 mph.

#10:42pm:  Wind picked up and averages > 11 mph. Windscreen is going up.

#10:50pm:  Wind picked up even more and averages > 15 mph.  Louvers are being closed.

#12:30am:  Wind down to ~11mph.  Louvers opened.  Windscreen up.

#3:45am:  Wind picked up and averages > 15 mph.  Louvers closed.

 

# Clouds continued to fluctuate throughout the night.  They started off mostly at high airmass, but sometimes covered larger parts of the sky.

 

# Seeing conditions: Median: 1.58  RMS: .27 (from QR stats page)  Seeing was extremely high (~2) for the first ~45mins of observing, but then came down to ~1.2, and hovered around there for the rest of the night (numbers from DIMM measurements).

 

*Accomplishments*

 

# Afternoon: zeros, dome flat sequence (YziVRrgu), new nightly sequence of darks.

# Evening: Standards **NOT COMPLETED** due to clouds

# Overall: SN - X1, X2, S1, C1, X3, C3 (389789 - 389846, 389849 - 389866), Wide Survey (389847 - 389848, 389867 - 389913)

# Morning: Standards (SDSSJ1227-0000, SDSSJ0933-0005) and biases

 

*Problems tagged as Synopsis_Problem*

 

*Minor Problems and Relevant Information*

 

# RASICAM not running tonight.

 

*Notes for Data Management*

 

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