March 2010

Date	Hours Used			Comment
	Observing	Weather	Technical
18 Mar	0.0	0.0	0.0	Scheduled Maintenance.
17 Mar	0.0	0.0	0.0	Scheduled Maintenance.
16 Mar	0.0	0.0	0.0	Scheduled Maintenance.
15 Mar	0.0	0.0	0.0	Scheduled Maintenance.
14 Mar	0.0	0.0	9.4	Altitude computer fault.
13 Mar	0.0	0.0	9.4	Altitude computer fault.
12 Mar	9.4	0.0	0.0	Non-photometric.
11 Mar	0.0	0.0	9.5	Altitude control computer fault
10 Mar	0.0	0.0	9.5	Altitude control computer fault
9 Mar	0.0	0.0	9.6	Altitude control computer fault
8 Mar	8.1	0.8	0.7	Non-photometric. Brief rain. RCS fault.
7 Mar	0.0	9.6	0.0	High humidity, wind.
6 Mar	0.0	9.7	0.0	High humidity, wind.
5 Mar	0.0	9.7	0.0	High humidity, wimd.
4 Mar	0.0	9.7	0.0	High humidity & winds.
3 Mar	9.8	0.0	0.0	Non-Photometric.
2 Mar	0.0	9.8	0.0	High humidity & winds.
1 Mar	0.0	9.8	0.0	High humidity & winds.

February 2010

Observing: 105.4 hours
Weather Loss: 165.2 hours
Technical Loss: 13.2 hours
Scheduled Maintenance: 0.0 hours

Date	Hours Used			Comment
	Observing	Weather	Technical
28 Feb	0.0	9.8	0.0	High humidity & ice.
27 Feb	0.0	9.8	0.0	High winds, humidity & ice risk.
26 Feb	0.0	9.9	0.0	High winds & humidity.
25 Feb	4.9	5.0	0.0	Non-photometric. Poor seeing. High winds.
24 Feb	4.9	2.4	2.6	Non-photometric. AMN failure - manual reboot required. High humidity.
23 Feb	9.0	1.0	0.0	Non-photometric. High humidity.
22 Feb	0.0	10.0	0.0	High winds & humidity.
21 Feb	0.0	10.0	0.0	High winds & humidity.
20 Feb	0.0	10.0	0.0	High winds & humidity.
19 Feb	0.0	10.0	0.0	High winds & hunidity; snow and ice.
18 Feb	0.0	10.1	0.0	High winds & hunidity; snow and ice.
17 Feb	0.0	10.1	0.0	High winds, snow and ice.
16 Feb	0.0	10.1	0.0	High humidity & rain.
15 Feb	0.0	10.1	0.0	High humidity, rain & ice.
14 Feb	0.0	10.1	0.0	High humidity, rain & ice.
13 Feb	0.0	7.1	3.1	Non-photometric. Science fold mirror software problem. High humidity.
12 Feb	5.2	0.0	5.0	Non-photometric. Robotic control system problem.
11 Feb	8.1	0.0	2.1	Non-photometric; very cloudy most of the time. Software deployment problem at start of night.
10 Feb	10.2	0.0	0.0	Non-photometric. Patchy cloud after ~3hUT.
9 Feb	10.3	0.0	0.0	Non-photometric. SupIRCam control computer locked up (all other instruments okay).
8 Feb	10.3	0.0	0.0	Non-photometric.
7 Feb	1.4	8.9	0.0	Thick cloud at start of night. Non-photometric. High humidity.
6 Feb	10.3	0.0	0.0	Non-photometric.
5 Feb	10.4	0.0	0.0	Non-photometric.
4 Feb	10.0	0.0	0.4	Non-photometric. AMN node reboot.
3 Feb	10.4	0.0	0.0	Photometric.
2 Feb	0.0	10.4	0.0	High winds
1 Feb	0.0	10.4	0.0	High winds / high humidity.

January 2010

Observing: 196.9 hours
Weather Loss: 133.9 hours
Technical Loss: 0.6 hours
Scheduled Maintenance: 0.0 hours

Date	Hours Used			Comment
	Observing	Weather	Technical
31 Jan	0.0	10.5	0.0	High humidity.
30 Jan	0.0	10.5	0.0	High humidity.
29 Jan	0.0	10.5	0.0	High humidity.
28 Jan	0.0	10.6	0.0	Thick clould, high humidity.
27 Jan	9.0	1.6	0.0	Non-photometric. High humidity.
26 Jan	2.8	7.8	0.0	Photometric. High humidity.
25 Jan	10.6	0.0	0.0	Photometric.
24 Jan	10.6	0.0	0.0	Photometric.
23 Jan	10.6	0.0	0.0	Photometric.
22 Jan	4.4	6.2	0.0	Non-photometric. High humidity.
21 Jan	10.6	0.0	0.0	Non-photometric; windy.
20 Jan	10.7	0.0	0.0	Non-photometric.
19 Jan	10.7	0.0	0.0	Photometric.
18 Jan	10.7	0.0	0.0	Non-photometric.
17 Jan	10.7	0.0	0.0	Photometric; poor seeing.
16 Jan	8.1	2.4	0.2	Photometric; high winds, altitude node reboot.
15 Jan	10.7	0.0	0.0	Non-photometric.
14 Jan	10.3	0.0	0.4	Non-photometric; cassegrain node reboot.
13 Jan	10.7	0.0	0.0	Non-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	0.0	10.8	0.0	High humidity.
8 Jan	0.0	10.8	0.0	High humidity.
7 Jan	9.5	1.3	0.0	Non-phtometric. High humidity.
6 Jan	0.0	10.8	0.0	High humidity.
5 Jan	0.0	10.8	0.0	High humidity.
4 Jan	6.8	4.0	0.0	Photometric. High humidity.
3 Jan	2.0	8.8	0.0	Non-photometric. High humidity.
2 Jan	1.5	9.3	0.0	Non-photometric. High humidity.
1 Jan	3.7	7.2	0.0	Photometric. High winds.

© ARI 2010