h1>Night Reports 2012

May 2012

Date	Hours Used			Comment
	Observing	Weather	Technical
15 May	6.9	0.5	0.0	Thick cloud.
14 May	5.1	2.3	0.0	Cloud and calima
13 May	7.5	0.0	0.0	Calima at start of night, cleared up before observing started.
12 May	7.5	0.0	0.0	Non-photometric.
11 May	3.2	4.3	0.0	Non-photometric. Periods of thick cloud.
10 May	0.0	7.6	0.0	Thick cloud and rain.
9 May	1.6	6.0	0.0	Non-photometric. Period of high humidity.
8 May	7.6	0.0	0.0	Non-photometric.
7 May	0.0	7.7	0.0	Thick cloud/rain.
6 May	7.7	0.0	0.0	Non-photometric.
5 May	7.8	0.0	0.0	Non-photometric.
4 May	7.8	0.0	0.0	Non-photometric.
3 May	1.0	6.9	0.0	High Humidity.
2 May	7.4	0.0	0.5	Non-photometric. AMN node reboot.
1 May	5.5	1.9	0.5	Photometric. High humidity at end. AMN node reboot.

April 2012

Date	Hours Used			Comment
	Observing	Weather	Technical
30 Apr	0.0	7.9	0.0	Thick cloud.
29 Apr	8.0	0.0	0.0	Non-photometric.
28 Apr	8.0	0.0	0.0	Non-photometric.
27 Apr	8.0	0.0	0.0	Scheduled maintenance.
26 Apr	0.0	0.0	0.0	Scheduled maintenance.
25 Apr	0.0	0.0	0.0	Scheduled maintenance.
24 Apr	0.0	0.0	0.0	Scheduled maintenance.
23 Apr	0.0	0.0	0.0	Scheduled maintenance.
22 Apr	8.1	0.0	0.0	Photometric.
21 Apr	8.1	0.0	0.0	Photometric.
20 Apr	8.2	0.0	0.0	Photometric.
19 Apr	0.0	8.2	0.0	Risk of calima.
18 Apr	0.0	8.2	0.0	Calima.
17 Apr	8.3	0.0	0.0	Non-photometric.
16 Apr	8.4	0.0	0.0	Photometric.
15 Apr	8.4	0.0	0.0	Photometric.
14 Apr	8.5	0.0	0.0	Photometric.
13 Apr	8.5	0.0	0.0	Photometric.
12 Apr	8.6	0.0	0.0	Non-photometric.
11 Apr	0.0	8.6	0.0	High humidity, freezing risk.
10 Apr	3.9	4.7	0.0	Non-photometric. High humidity/freezing later.
9 Apr	3.4	5.2	0.0	Photometric, cloud patches.
8 Apr	0.0	0.0	8.6	Weather station fault
7 Apr	0.0	8.7	0.0	High humidity
6 Apr	7.7	1.0	0.0	Photometric but cloud before dawn
5 Apr	0.0	8.8	0.0	Risk of ice
4 Apr	0.0	8.8	0.0	Risk of ice
3 Apr	0.0	0.0	0.0	Scheduled maintenance
2 Apr	0.0	0.0	0.0	Scheduled maintenance
1 Apr	0.4	8.4	0.0	High humidity.

March 2012

Date	Hours Used			Comment
	Observing	Weather	Technical
31 Mar	8.5	0.0	0.4	Non-photometric?. AMN node reboot.
30 Mar	3.5	5.4	0.0	Photometric? High humidity.
29 Mar	9.0	0.0	0.0	Photometric.
28 Mar	9.0	0.0	0.0	Photometric.
27 Mar	9.1	0.0	0.0	Non-photometric.
26 Mar	9.1	0.0	0.0	Non-photometric.
25 Mar	9.1	0.0	0.0	Non-photometric.
24 Mar	9.2	0.0	0.0	Photometric.
23 Mar	9.2	0.0	0.0	Photometric.
22 Mar	3.4	5.8	0.0	Non-photometric, periods of thick cloud.
21 Mar	9.2	0.0	0.0	Photometric.
20 Mar	9.3	0.0	0.0	Photometric.
19 Mar	0.0	9.3	0.0	Calima.
18 Mar	9.3	0.0	0.0	Photometric.
17 Mar	9.2	0.0	0.2	Photometric; cassegrain node reboot.
16 Mar	2.7	6.7	0.0	Non-photometric; thick cloud & high humidity at times.
15 Mar	4.1	5.3	0.0	Non-photometric; thick cloud.
14 Mar	9.4	0.0	0.0	Photometric.
13 Mar	9.4	0.0	0.0	Photometric.
12 Mar	9.5	0.0	0.0	Non-photometric.
11 Mar	7.9	1.6	0.0	Non-photometric. High Cloud.
10 Mar	7.6	1.9	0.0	Non-photometric. High Cloud.
9 Mar	0.0	9.6	0.0	Calima.
8 Mar	9.6	0.0	0.0	Photometric.
7 Mar	9.6	0.0	0.0	Photometric.
6 Mar	9.7	0.0	0.0	Non-photometric.
5 Mar	9.7	0.0	0.0	Non-photometric.
4 Mar	9.7	0.0	0.0	Photometric.
3 Mar	9.8	0.0	0.0	Non-photometric.
2 Mar	9.8	0.0	0.0	Photometric.
1 Mar	9.8	0.0	0.0	Non-photometric.

February 2012

Date	Hours Used			Comment
	Observing	Weather	Technical
29 Feb	7.4	2.4	0.0	Non-photometric. High humidity.
28 Feb	0.0	9.8	0.0	Risk of ice.
27 Feb	0.0	9.8	0.0	Ice.
26 Feb	0.0	9.9	0.0	Freezing Fog.
25 Feb	7.9	2.0	0.0	Non-photometric. High humidity
24 Feb	6.4	3.5	0.0	Non-photometric. Bad weather.
23 Feb	10.0	0.0	0.0	Photometric.
22 Feb	10.0	0.0	0.0	Photometric.
21 Feb	10.0	0.0	0.0	Photometric.
20 Feb	10.0	0.0	0.0	Photometric.
19 Feb	0.0	10.0	0.0	Ice on enclosure.
18 Feb	0.0	10.1	0.0	Ice on enclosure.
17 Feb	0.0	10.1	0.0	Ice on enclosure.
16 Feb	0.0	10.1	0.0	Ice on enclosure.
15 Feb	0.0	10.1	0.0	Ice on enclosure.
14 Feb	0.0	10.1	0.0	Ice on enclosure.
13 Feb	0.0	10.2	0.0	Ice on enclosure.
12 Feb	0.0	10.2	0.0	Risk of ice.
11 Feb	0.0	10.2	0.0	Risk of ice.
10 Feb	0.0	10.2	0.0	Ice on enclosure.
9 Feb	7.5	2.8	0.0	Photometric with poor seeing initially. Weathered with high humidity and freezing temperatures later.
8 Feb	8.0	2.3	0.0	Non-photometric. Poor seeing. Periods of high humidity due to localised cloud.
7 Feb	10.3	0.0	0.0	Non-photometric.
6 Feb	10.3	0.0	0.0	Non-photometric. Poor seeing.
5 Feb	10.4	0.0	0.0	Non-photometric; poor seeing.
4 Feb	0.0	10.4	0.0	Non-photometric; poor seeing. Some twilight observations but closed before dark time, due to calima.
3 Feb	8.1	2.3	0.0	Non-photometric; high humidity and wetness.
2 Feb	9.4	1..0	0.0	Photometric. High humidity for a short while in the evening.
1 Feb	10.4	0.0	0.0	Photometric. RATCam operational from ~23h UT.

January 2012

Date	Hours Used			Comment
	Observing	Weather	Technical
31 Jan	10.5	0.0	0.0	Photometric. RATCam offline.
30 Jan	8.0	2.5	0.0	Non-photometric, cloud and rain at first. RATCam offline.
29 Jan	2.8	7.7	0.0	Non-photometric, thick cloud at times. RATCam offline.
28 Jan	10.6	0.0	0.0	Non-photometric. RATCam offline from 2315UT.
27 Jan	10.6	0.0	0.0	Non-photometric
26 Jan	10.6	0.0	0.0	Photometric?
25 Jan	0.0	10.6	0.0	Freezing fog.
24 Jan	0.0	10.6	0.0	Freezing fog.
23 Jan	6.1	4.5	0.0	Photometric? High humidity at times.
22 Jan	10.6	0.0	0.0	Photometric.
21 Jan	0.0	0.0	0.0	Scheduled Maintenance (IO).
20 Jan	5.0	5.7	0.0	Non-photometric. High humidity at times.
19 Jan	5.5	5.2	0.0	Photometric. High humidity and low temperature.
18 Jan	10.7	0.0	0.0	Photometric.
17 Jan	10.7	0.0	0.0	Photometric.
16 Jan	5.7	0.0	5.0	Photometric. Weather station fault.
15 Jan	10.7	0.0	0.0	Photometric.
14 Jan	10.7	0.0	0.0	Non-photometric.
13 Jan	10.7	0.0	0.0	Photometric.
12 Jan	10.7	0.0	0.0	Non-photometric.
11 Jan	10.7	0.0	0.0	Non-photometric.
10 Jan	10.8	0.0	0.0	Photometric.
9 Jan	10.8	0.0	0.0	Photometric.
8 Jan	10.4	0.0	0.4	Photometric; OMC node reboot
7 Jan	3.4	0.0	7.4	Photometric; power supply faults on mountain top.
6 Jan	0.0	10.8	0.0	Thick cloud.
5 Jan	10.8	0.0	0.0	Photometric.
4 Jan	10.8	0.0	0.0	Non-photometric.
3 Jan	4.2	6.6	0.0	Non-photometric. Thick cloud after midnight.
2 Jan	10.8	0.0	0.0	Non-Photometric.
1 Jan	10.9	0.0	0.0	Photometric.