IGO Night Logs Cycle 2009B

January 2010 (Total available observing time: 341 hours)

Hours Observed: 252 hours
Weather Loss: 44 hours
Technical Loss: 15 hours

Date

Hours Observed

Hours Lost

Comments

Weather

Technical

Others

Jan 31

0

0

0

11

No observations.

Jan 30

7

4

0

0

Thin and thick clouds.

Jan 29

10

0

0

1

Partially cloudy sky.

Jan 28

10

0

1

0

Thin Clouds. AGF failed twice.

Jan 27

10

1

0

0

Cloudy sky. Observations carried out.

Jan 26

6

5

0

0

Cloudy sky. Observations carried out.

Jan 25

10

0

1

0

Scattered clouds. CCD starting problem. Solved by power recycle. Observed.

Jan 24

11

0

0

0

Clear sky. Observed

Jan 23

10

0

1

0

Clear sky. AGF problem. Oper off and On solved the problem.

Jan 22

10

0

1

0

Clear sky. AGF problem. Oper off and On solved the problem.

Jan 21

10

0

1

0

Clear sky. AGF problem occurred thrice. Oper off and On solved the problem.

Jan 20

11

0

0

0

Clear sky. Observed.

Jan 19

9

2

0

0

Moving clouds. Observed.

Jan 18

11

0

0

0

Clear sky. Observed.

Jan 17

9

0

2

0

Azimuth failed three times.

Jan 16

7

4

0

0

Clouds initially.

Jan 15

10

0

1

0

Automatic oper off. Had to restart.

Jan 14

10

1

0

0

Scattered thin clouds.

Jan 13

11

0

0

0

Scattered thin clouds.

Jan 12

7

0

0

4

Scattered clouds.

Jan 11

2

4

1

4

Cloudy sky. AGF problem in begining. Solved by repeated Oper on and Off.

Jan 10

7

0

0

4

Clear sky. AGF problem in begining. Solved by Oper on and Off.

Jan 09

7

0

0

4

Clear sky. AGF problem in begining. Solved by Oper on and Off.

Jan 08

5

5

1

0

Cloudy sky. Autoguider Focus (AGF) problem. Solved by repeated oper on and off.

Jan 07

9

2

0

0

Thin clouds.

Jan 06

9

0

2

0

Clear sky. AGF problem ocuured. Solved by repeated oper on and off.

Jan 05

9

0

2

0

Clear sky. Science fold mirror rotation error occured many times.

Jan 04

10

0

1

0

Azimuth tracking failed. Error solved.

Jan 03

8

1

0

2

Moving clouds.

Jan 02

2

9

0

0

Cloudy sky. Night used for training staff.

Jan 01

5

6

0

0

Cloudy sky. Night used for training staff.



Decmber 2009 (Total available observing time: 341 hours)

Hours Observed: 151 hours
Weather Loss: 52 hours
Technical Loss: 72 hours

Date

Hours Observed

Hours Lost

Comments

Weather

Technical

Others

Dec 31

0

0

0

11

Cassegrain Motor Changed. Cloudy sky.

Dec 30

0

0

0

11

Cloudy sky. Cassegrain motor problem.

Dec 29

0

6

5

0

Cloudy sky. Cassegrain failed.

Dec 28

0

6

5

0

Cloudy sky. Cassegrain failed. Alt L2 hit.

Dec 27

8

2

1

0

Cloudy sky. AGF, AZM failed. Observed through thin clouds.

Dec 26

0

0

11

0

Cloudy sky. Cassegrain failed.

Dec 25

5

5

1

0

Cloudy sky. Cassegrain failed twice. Observed through thin clouds.

Dec 24

11

0

0

0

Clear Sky. Observed.

Dec 23

11

0

0

0

Clear Sky. Observed.

Dec 22

9

2

0

0

Observed. Thin clouds.

Dec 21

4

7

0

0

Cloudy sky.

Dec 20

4

7

0

0

Cloudy sky.

Dec 19

11

0

0

0

Observed. Thin clouds.

Dec 18

8

3

0

0

Observed. Thin clouds.

Dec 17

5

5

1

0

Cloudy sky. Autoguider focus problem. Had to do oper off and on.

Dec 16

4

4

3

0

Cloudy sky. MCC failed. Full system restart done.

Dec 15

8

3

0

0

Observed. Thin clouds.

Dec 14

10

1

0

0

Observed. Thin clouds.

Dec 13

10

1

0

0

Observed. Thin clouds.

Dec 12

11

0

0

0

Observed. Clear sky.

Dec 11

11

0

0

0

Observed. Clear sky.

Dec 10

11

0

0

0

Observed. Clear sky.

Dec 09

0

0

11

0

Enclosure rotation problem. Could not be solved during night.

Dec 08

10

0

1

0

Scattered thin clouds. Azimuth failed twice. Observed. The reflectivity has increased by a factor of 2.5.

Dec 07

0

0

0

11

Aluminising of Primary

Dec 06

0

0

0

11

Aluminising of Primary

Dec 05

0

0

0

11

Aluminising of Primary

Dec 04

0

0

0

11

Aluminising of Primary

Dec 03

0

0

11

0

Primary Mirror Support problem.

Dec 02

0

0

11

0

Primary Mirror Support problem.

Dec 01

0

0

11

0

Primary Mirror Support problem.

November 2009 (Total available observing time: 330 hours)

Hours Observed: 174 hours
Weather Loss: 112 hours
Technical Loss: 39 hours

Date

Hours Observed

Hours Lost

Comments

Weather

Technical

Others

Nov 30

0

0

11

0

Primary Mirror Support problem.

Nov 29

11

0

0

0

Clear sky. Observations carried out throughout the night.

Nov 28

6

0

0

5

Partly cloudy sky.

Nov 27

0

0

11

0

Cloudy sky. Problem with polarimetry unit. No observations.

Nov 26

10

1

0

0

Partly cloudy sky. Observations carried out.

Nov 25

11

0

0

0

Partly cloudy sky. Observations carried out throughout the night.

Nov 24

11

0

0

0

Clear sky. Observations carried out throughout the night.

Nov 23

8

0

3

0

Clear sky. Azimuth Limit problem. Solved during the night.

Nov 22

11

0

0

0

Initially partly cloudy. Cleared after some time.

Nov 21

10

0

1

0

Clear sky. Agfocus and Cass Rot problem. Solved by oper on.

Nov 20

11

0

0

0

Clear sky. Aux. Mechanism problem occured. Solved by Oper on.

Nov 19

11

0

0

0

Clear sky. Observations carried out throughout the night.

Nov 18

10

0

1

0

Clear sky. Problems with CCU and AGS.

Nov 17

0

11

0

0

Cloudy sky.

Nov 16

0

11

0

0

Cloudy sky.

Nov 15

0

11

0

0

Cloudy sky. Rain and fog.

Nov 14

0

11

0

0

Cloudy sky.

Nov 13

1

10

0

0

Mostly cluody sky.

Nov 12

0

0

11

0

Cloudy sky. Problem with IFOSC. Not resolved during night.

Nov 11

0

11

0

0

Cloudy sky. Rain. No observations.

Nov 10

0

11

0

0

Cloudy sky. Rain. No observations.

Nov 09

0

11

0

0

Cloudy sky. No observations.

Nov 08

0

11

0

0

Cloudy sky. No observations.

Nov 07

7

4

0

0

Cloudy sky. Observations taken through passing clouds.

Nov 06

6

4

1

0

Cloudy sky. IFU testing done. Hydraulics pump stopped.. Solved by Oper ON .

Nov 05

6

5

0

0

Cloudy sky. IFU testing done.

Nov 04

11

0

0

0

Clear sky. IFU testing done.

Nov 03

11

0

0

0

Clear sky. IFU testing done.

Nov 02

11

0

0

0

Clear sky. IFU testing done.

Nov 01

11

0

0

0

Clear sky. IFU testing done.



October 2009 (Total available observing time: 220 hours)

Hours Observed: 90 hours
Weather Loss: 23 hours
Technical Loss: 107 hours

Date

Hours Observed

Hours Lost

Comments

Weather

Technical

Others

Oct 31

11

0

0

0

Clear sky. IFU testing done.

Oct 30

10

0

1

0

Clear Sky. Observation carried out throughout the night. CCU starting Problem occured at begining of night.

Oct 29

11

0

0

0

Clear Sky. Observation carried out throughout the night.

Oct 28

0

0

11

0

Azimuth temperature sensor problem. Caused chiller pump to stop.

Oct 27

11

0

0

0

Clear Sky. Observation carried out throughout the night.

Oct 26

11

0

0

0

Clear Sky. Observation carried out throughout the night.

Oct 25

11

0

0

0

Clear Sky. Observation carried out throughout the night.

Oct 24

4

0

7

0

Clear Sky. Azimuth Limit L3 problem. Could not be sorted out during night time.

Oct 23

11

0

0

0

Clear Sky. Observation carried out throughout the night.

Oct 22

4

7

0

0

Cloudy sky. Observations taken through passing clouds.

Oct 21

4

7

0

0

Cloudy sky. Observations taken through passing clouds.

Oct 20

2

9

0

0

Cloudy sky. Observations taken through passing clouds.

Oct 19

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 18

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 17

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 16

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 15

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 14

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 13

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.

Oct 12

0

0

11

0

Telescope Pointing and Tracking error. Cloudy Sky.