ENR CTIO Blanco 4-m 2014-01-21

Date:

Tuesday, January 21, 2014

Telescope:

CTIO Blanco 4-m

Submitter:

Peter Nugent

Submitter Email:

penugent@lbl.gov

Observer Support:

Humberto Orrego

Night Assistant:

Alberto Alvarez

Also Present:

Claudio Bruderer, Ricardo Munoz (second half)

Problems:

None.

Comments:

*Observing Team*

_DES Observers:_ Claudio Bruderer, Peter Nugent

_Telops:_ Alberto Alvarez

_Remote Support:_ Humberto Orrego

*Observing Plan*

# standard bias and dome flat sequence

# evening standard stars

# run ObsTac queue

# Standards carried out in banded cirrus

# handover to 2nd half

*Conditions*

# weather in afternoon: 4pm (local): clear skies above, some clouds on horizon

# weather after dinner: 7pm (local): A bit hazy, small clouds on horizon.

# weather at 10 deg twilight: 21:30 (local): little hazy, clouds gone, light wind

# weather summary: 2am (local): Heavy cirrus moved in at 03:00 UT

# Seeing conditions: Median: 0.95 RMS: 0.10

# Wind conditions: none at start of the night and low the whole night

*Accomplishments*

# Afternoon: zeros done 276555-276565 and 276641-276649, (ugrizY) dome flats done 276566-276640, checked all ok, but u was even lower than expected

# Winner of post sunset leisure activity: Roma (1-0 over Juventus)

# Evening: Standards 276656-276670

# Survey Exposures 276673-276782

# Middle of night (end of half night): Standards 276783-276787

*Problems tagged as Synopsis_Problem*

None.

*Minor Problems and Relevant Information*

# Some Some issues with the ICS, Klaus and Alistair gave th go-ahead to proceed.

# Occlusion alarms: 2 alarms during the night.

*Notes for Data Management*

None

*********************

No problems in second half of the night.

Conditions:

General Conditions

Comment:

None.

1st Quarter

Clouds:

Thin Clouds

Wind:

Low

Seeing Value:

0.95

Seeing Variability:

Seeing Source:

The Telescope I used

Sky :

2nd Quarter

Clouds:

Cirrus

Wind:

Low

Seeing Value:

1.00

Seeing Variability:

Seeing Source:

The Telescope I used

Sky:

3rd Quarter

Clouds:

Cirrus

Wind:

Low

Seeing Value:

0.70

Seeing Variability:

0.2

Seeing Source:

CTIO Seeing monitor

Sky:

4th Quarter

Clouds:

Cirrus

Wind:

Low

Seeing Value:

0.80

Seeing Variability:

0.4

Seeing Source:

CTIO Seeing monitor

Sky:

Delete
Edit

Program:

Proposal:

2012B-0001

Target of Oportunity:

Time Observed:

3.75

Time Engineering:

0.0

Time lost technical:

0.0

Time lost weather:

0.0

Time lost other:

0.0

Description:

DES

Primary Investigator:

Josh Frieman

Email:

frieman@fnal.gov [1]

Institution:

Fermilab

Instrument:

CTIO 4m DECam

Organization:

N/A

Total Program Time:

3.75

Delete [2]
Edit [3]

Proposal:

2013B-0614

Target of Oportunity:

Time Observed:

3.75

Time Engineering:

0.0

Time lost technical:

0.0

Time lost weather:

0.0

Time lost other:

0.0

Description:

SMASH

Primary Investigator:

Munoz

Email:

rmunoz@das.uchile.cl [4]

Institution:

Universidad de Chile

Instrument:

CTIO 4m DECam

Organization:

Chile

Total Program Time:

3.75

Delete [5]
Edit [6]

Add [7]

Total Times	Time Observed	Time Engineering	Time lost technical	Time lost weather	Time lost other	Total Program Time
2014-01-21	7.5	0.0	0.0	0.0	0.0	7.5