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Night Reports 2007
December 2007
Observing: 235.8 hours
Weather Loss: 99.9 hours
Technical Loss: 1.3 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 Dec | 10.9 | 0.0 | 0.0 | Photometric. |
| 30 Dec | 10.9 | 0.0 | 0.0 | Photometric. |
| 29 Dec | 10.6 | 0.0 | 0.3 | Photometric. Az node reboot. |
| 28 Dec | 10.9 | 0.0 | 0.0 | Photometric |
| 27 Dec | 10.9 | 0.0 | 0.0 | Non-photometric. |
| 26 Dec | 10.9 | 0.0 | 0.0 | Non-photometric. |
| 25 Dec | 10.9 | 0.0 | 0.0 | Photometric. |
| 24 Dec | 10.9 | 0.0 | 0.0 | Photometric. |
| 23 Dec | 0.0 | 10.9 | 0.0 | High Humidity |
| 22 Dec | 0.0 | 10.9 | 0.0 | Freezing Fog |
| 21 Dec | 0.0 | 10.9 | 0.0 | Freezing Fog |
| 20 Dec | 9.1 | 1.8 | 0.0 | High humidity at times |
| 19 Dec | 0 | 10.9 | 0.0 | Snow and Ice |
| 18 Dec | 0 | 10.9 | 0.0 | Freezing Fog |
| 17 Dec | 5.1 | 5.8 | 0.0 | Non-photometric; high winds and humidity. |
| 16 Dec | 10.9 | 0.0 | 0.0 | Non-photometric. |
| 15 Dec | 7.9 | 3.0 | 0.0 | Non-photometric; high humidity in middle of night. |
| 14 Dec | 10.9 | 0.0 | 0.0 | Non-photometric. |
| 13 Dec | 10.6 | 0.0 | 0.3 | Non-photometric; alt node reboot. |
| 12 Dec | 1.3 | 9.6 | 0.0 | Cloud, high humidity. |
| 11 Dec | 0 | 10.9 | 0.0 | thick cloud |
| 10 Dec | 0 | 10.9 | 0.0 | thick cloud |
| 9 Dec | 10.8 | 0 | 0.0 | Non-photometric. |
| 8 Dec | 10.7 | 0.0 | 0.1 | Photometric but poor seeing; AMN node reboot. |
| 7 Dec | 10.8 | 0.0 | 0.0 | Photometric. |
| 6 Dec | 10.8 | 0.0 | 0.0 | Photometric. Very windy. |
| 5 Dec | 10.8 | 0.0 | 0.0 | Photometric. |
| 4 Dec | 10.5 | 0.0 | 0.3 | Photometric. Cassegrain node reboot. |
| 3 Dec | 10.8 | 0.0 | 0.0 | Photometric. |
| 2 Dec | 10.5 | 0.0 | 0.3 | Non-photometric. Cassegrain node reboot |
| 1 Dec | 7.4 | 3.4 | 0.0 | High humidity. Non-photometric. |
November 2007
Observing: 117.8 hours
Weather Loss: 172.5 hours
Technical Loss: 4.9 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 30 Nov | 1.9 | 8.9 | 0.0 | High humidity, rain. Non-photometric. |
| 29 Nov | 0 | 10.8 | 0.0 | High humidity |
| 28 Nov | 0 | 10.7 | 0.0 | High humidity |
| 27 Nov | 7.4 | 3.3 | 0.0 | High humidity during middle of night. Non-photometric. |
| 26 Nov | 7.8 | 2.9 | 0.0 | High humidity at start of night. |
| 25 Nov | 0.0 | 10.7 | 0.0 | Humidity, wind & rain. |
| 24 Nov | 0.0 | 10.7 | 0.0 | Humidity, wind & rain. |
| 23 Nov | 0.0 | 10.6 | 0.0 | Humidity, wind & rain. |
| 22 Nov | 0.0 | 0.0 | 0.0 | Scheduled maintenance; humidity, wind & rain preventing on-sky testing. |
| 21 Nov | 0.0 | 0.0 | 0.0 | Scheduled maintenance. |
| 20 Nov | 0.0 | 10.6 | 0.0 | High humidity, wind & rain. |
| 19 Nov | 0.0 | 10.6 | 0.0 | High humidity, wind & rain. |
| 18 Nov | 0.0 | 10.6 | 0.0 | High humidity, wind & rain. |
| 17 Nov | 2.5 | 8.1 | 0.0 | Non-photometric, high humidity, high winds, rain. |
| 16 Nov | 5.8 | 4.8 | 0.0 | Non-photometric, high humidity. |
| 15 Nov | 10.6 | 0.0 | 0.0 | Non-photometric, a few clouds visible at sunset |
| 14 Nov | 10.5 | 0.0 | 0.0 | Non-photometric, a few clouds visible at sunset |
| 13 Nov | 10.5 | 0.0 | 0.0 | Non-photometric, a few clouds visible at sunset |
| 12 Nov | 10.2 | 0.0 | 0.3 | Cass node reboot. |
| 11 Nov | 0.0 | 10.5 | 0.0 | Overcast. |
| 10 Nov | 0.0 | 10.5 | 0.0 | Overcast & calima. |
| 9 Nov | 0.0 | 10.5 | 0.0 | Overcast & calima. |
| 8 Nov | 0.0 | 10.4 | 0.0 | Overcast. |
| 7 Nov | 0.0 | 10.4 | 0.0 | Cloud/high humidity. |
| 6 Nov | 8.9 | 1.5 | 0.0 | Non-photometric. Cloud/high humidity at start of night. |
| 5 Nov | 7.1 | 0.0 | 3.3 | Non-photometric. Alt node reboot & RCS issue. |
| 4 Nov | 9.8 | 0.6 | 0.0 | Non-photometric. High humidity at start of night. |
| 3 Nov | 5.5 | 4.8 | 0.0 | Photometric. High humidity at start of night. |
| 2 Nov | 10.0 | 0.0 | 0.3 | Photometric. Azimuth node reboot. |
| 1 Nov | 9.3 | 0.0 | 1.0 | Cass rotator problems probably caused by pipes snagging. |
October 2007
Observing: 190.8 hours
Weather Loss: 106.2 hours
Technical Loss: 12.2 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 Oct | 10.3 | 0.0 | 0.0 | Photometric |
| 30 Oct | 0 | 10.3 | 0.0 | High humidity |
| 29 Oct | 8.7 | 1.5 | 0.0 | Non-photometric. Poor seeing. High humidity at times. |
| 28 Oct | 7.1 | 3.1 | 0.0 | Non-photometric; high humidity at start of night. |
| 27 Oct | 0.0 | 10.2 | 0.0 | High humidity/rain |
| 26 Oct | 3.3 | 6.9 | 0.0 | Non-photometric; high humidity/rain |
| 25 Oct | 10.1 | 0.0 | 0.0 | Non-photometric. |
| 24 Oct | 10.1 | 0.0 | 0.0 | Non-photometric. |
| 23 Oct | 10.1 | 0.0 | 0.0 | Non-photometric. |
| 22 Oct | 10.1 | 0.0 | 0.0 | Photometric but poor seeing. |
| 21 Oct | 10.0 | 0.0 | 0.0 | Very poor seeing |
| 20 Oct | 10.0 | 0.0 | 0.0 | Photometric |
| 19 Oct | 10.0 | 0.0 | 0.0 | Non-photometric. |
| 18 Oct | 8.0 | 0.0 | 2.0 | Photometric. Spectroscopic acquistion testing at end of night caused RCS problems. |
| 17 Oct | 0.0 | 4.9 | 5.0 | High humidity. Node 36 error. |
| 16 Oct | 2.4 | 6.5 | 0.0 | High humidity |
| 15 Oct | 9.9 | 0.0 | 0.0 | Photometric? |
| 14 Oct | 8.4 | 0.0 | 1.5 | Photometric. Cass node reboot. Focus problems. |
| 13 Oct | 9.8 | 0.0 | 0.0 | Photometric. |
| 12 Oct | 0.0 | 9.8 | 0.0 | High humidity. |
| 11 Oct | 0.0 | 9.8 | 0.0 | Rain. |
| 10 Oct | 7.8 | 2.0 | 0.0 | Photometric. High humidity at and of night. |
| 9 Oct | 9.7 | 0.0 | 0.0 | Photometric. |
| 8 Oct | 6.0 | 0.0 | 3.7 | Photometric. Autoguider & azimuth axis problems. |
| 7 Oct | 0.0 | 9.7 | 0.0 | Thick Cloud |
| 6 Oct | 9.7 | 0.0 | 0.0 | Non-photometric |
| 5 Oct | 0.0 | 9.6 | 0.0 | High humidity |
| 4 Oct | 0.0 | 9.6 | 0.0 | Thick Cloud |
| 3 Oct | 9.6 | 0.0 | 0.0 | Photometric |
| 2 Oct | 6.7 | 2.8 | 0.0 | High Humidity. Photometric otherwise. |
| 1 Oct | 0.0 | 9.5 | 0.0 | High Humidity |
September 2007
Observing: 135.7 hours
Weather Loss: 30.1 hours
Technical Loss: 0.3 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 30 Sep | 9.5 | 0.0 | 0.0 | Photometric |
| 29 Sep | 9.5 | 0.0 | 0.0 | Photometric |
| 28 Sep | 9.4 | 0.0 | 0.0 | &Photometric |
| 27 Sep | 9.4 | 0.0 | 0.0 | Photometric |
| 26 Sep | 7.0 | 2.4 | 0.0 | Non-photometric. High humidity. |
| 25 Sep | 9.3 | 0.0 | 0.0 | Non-photometric. |
| 24 Sep | 9.3 | 0.0 | 0.0 | Non-photometric. |
| 23 Sep | 0.0 | 9.3 | 0.0 | Thick cloud |
| 22 Sep | 0.0 | 9.2 | 0.0 | Thick cloud |
| 21 Sep | 0.0 | 9.2 | 0.0 | Thick cloud |
| 20 Sep | 9.2 | 0.0 | 0.0 | Photometric? |
| 19 Sep | 9.1 | 0.0 | 0.0 | Photometric |
| 18 Sep | 9.1 | 0.0 | 0.0 | Photometric |
| 17 Sep | 9.1 | 0.0 | 0.0 | Photometric |
| 16 Sep | 9.1 | 0.0 | 0.0 | Non-photometric |
| 15 Sep | 9.0 | 0.0 | 0.0 | Non-photometric |
| 14 Sep | 8.7 | 0.0 | 0.3 | Non-photometric. Unresponsive node; autorecovered. |
| 13 Sep | 9.0 | 0.0 | 0.0 | Photometric |
| 12 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 11 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 10 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 9 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 8 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 7 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 6 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 5 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 4 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 3 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 2 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
| 1 Sep | 0.0 | 0.0 | 0.0 | Scheduled maintenance |
August 2007
Observing: 224.3 hours
Weather Loss: 20.5 hours
Technical Loss: 4.7 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 Aug | 8.5 | 0.0 | 0.0 | Non-photometric. Last night of observing before scheduled maintenance. |
| 30 Aug | 8.3 | 0.0 | 0.2 | Non-photometric. Azimuth node dropout; autorecovered. |
| 29 Aug | 8.5 | 0.0 | 0.0 | Non-photometric. |
| 28 Aug | 4.6 | 0.0 | 3.8 | Non-photometric. Cassegrain rotator fault. |
| 27 Aug | 8.4 | 0.0 | 0.0 | Photometric |
| 26 Aug | 8.4 | 0.0 | 0.0 | Photometric |
| 25 Aug | 8.3 | 0.0 | 0.0 | Photometric |
| 24 Aug | 8.3 | 0.0 | 0.0 | Photometric |
| 23 Aug | 8.3 | 0.0 | 0.0 | Photometric |
| 22 Aug | 8.0 | 0.0 | 0.2 | TCS unresponsive, autorecovered. Non-photometric (calima?) |
| 21 Aug | 8.2 | 0.0 | 0.0 | Photometric |
| 20 Aug | 8.2 | 0.0 | 0.0 | Photometric |
| 19 Aug | 8.1 | 0.0 | 0.0 | Photometric |
| 18 Aug | 8.1 | 0.0 | 0.0 | Photometric but very poor seeing |
| 17 Aug | 8.1 | 0.0 | 0.0 | Photometric |
| 16 Aug | 8.0 | 0.0 | 0.0 | Photometric |
| 15 Aug | 8.0 | 0.0 | 0.0 | Light calima, otherwise photometric |
| 14 Aug | 8.0 | 0.0 | 0.0 | Photometric |
| 13 Aug | 7.5 | 0.0 | 0.5 | Photometric. Cass node dropout |
| 12 Aug | 7.9 | 0.0 | 0.0 | Non-photometric |
| 11 Aug | 0.0 | 7.9 | 0.0 | Calima & high winds. |
| 10 Aug | 2.0 | 5.9 | 0.0 | Photometric, high winds |
| 9 Aug | 7.8 | 0.0 | 0.0 | Photometric |
| 8 Aug | 7.8 | 0.0 | 0.0 | Photometric |
| 7 Aug | 7.8 | 0.0 | 0.0 | Photometric |
| 6 Aug | 3.4 | 4.3 | 0.0 | High wind, humidity |
| 5 Aug | 7.7 | 0.0 | 0.0 | Photometric |
| 4 Aug | 7.7 | 0.0 | 0.0 | Non-photometric (calima) |
| 3 Aug | 5.2 | 2.4 | 0.0 | High Wind. |
| 2 Aug | 7.6 | 0.0 | 0.0 | Non-photometric |
| 1 Aug | 7.6 | 0.0 | 0.0 | Non-photometric |
July 2007
Observing: 126.8 hours
Weather Loss: 72.7 hours
Technical Loss: 23.4 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 Jul | 7.5 | 0.0 | 0.0 | Non-photometric |
| 30 Jul | 7.5 | 0.0 | 0.0 | Non-photometric |
| 29 Jul | 0.0 | 7.5 | 0.0 | Heavy Calima (dust) |
| 28 Jul | 0.0 | 7.5 | 0.0 | Heavy Calima (dust) |
| 27 Jul | 0.0 | 7.5 | 0.0 | Heavy Calima (dust) |
| 26 Jul | 0.0 | 0.0 | 7.4 | PLC Main Incomer Fault. |
| 25 Jul | 7.4 | 0.0 | 0.0 | Photometric. |
| 24 Jul | 7.4 | 0.0 | 0.0 | Photometric. |
| 23 Jul | 0.0 | 0.0 | 7.3 | Oil Chiller fault |
| 22 Jul | 7.3 | 0.0 | 0.0 | Non-photometric? |
| 21 Jul | 6.9 | 0.0 | 0.4 | Cass Node Reboot. Non-photometric. |
| 20 Jul | 0.0 | 7.3 | 0.0 | Heavy Calima (dust) |
| 19 Jul | 0.0 | 7.2 | 0.0 | Heavy Calima (dust) |
| 18 Jul | 0.0 | 7.2 | 0.0 | Heavy Calima (dust) |
| 17 Jul | 0.0 | 7.2 | 0.0 | Heavy Calima (dust) |
| 16 Jul | 0.0 | 7.2 | 0.0 | Heavy Calima (dust) |
| 15 Jul | 0.0 | 7.1 | 0.0 | Heavy Calima (dust) |
| 14 Jul | 6.1 | 0.0 | 1.0 | AMN, TCC reboots. |
| 13 Jul | 7.1 | 0.0 | 0.0 | Photometric. |
| 12 Jul | 7.1 | 0.0 | 0.0 | Photometric? |
| 11 Jul | 6.8 | 0.0 | 0.3 | TCS reboot. |
| 10 Jul | 0.0 | 7.0 | 0.0 | Heavy Calima (dust) |
| 9 Jul | 0.0 | 0.0 | 7.0 | Devicenet Node 36 Error. |
| 8 Jul | 7.0 | 0.0 | 0.0 | Poor seeing. |
| 7 Jul | 7.0 | 0.0 | 0.0 | Photometric. |
| 6 Jul | 7.0 | 0.0 | 0.0 | Photometric. |
| 5 Jul | 7.0 | 0.0 | 0.0 | Poor seeing at start of night. |
| 4 Jul | 7.0 | 0.0 | 0.0 | Poor seeing. |
| 3 Jul | 6.9 | 0.0 | 0.0 | Photometric. |
| 2 Jul | 6.9 | 0.0 | 0.0 | Photometric. |
| 1 Jul | 6.9 | 0.0 | 0.0 | Photometric. |
June 2007
Observing: 125.2 hours
Weather Loss: 29.7 hours
Technical Loss: 53.1 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 30 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 29 Jun | 6.6 | 0.0 | 0.3 | Photometric. TCS failure, autorecovered. |
| 28 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 27 Jun | 0.0 | 0.0 | 6.9 | GPS timesever failed - taken down to sea level for repair. |
| 26 Jun | 0.0 | 0.0 | 6.9 | IT rack offline. |
| 25 Jun | 5.7 | 0.0 | 1.2 | Science fold problems. Photometric. |
| 24 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 23 Jun | 6.9 | 0.0 | 0.0 | Poor seeing, otherwise ok. |
| 22 Jun | 0.0 | 6.9 | 0.0 | Humidity / high winds |
| 21 Jun | 6.6 | 0.0 | 0.3 | TCS failure. Autorecovered. |
| 20 Jun | 6.9 | 0.0 | 0.0 | |
| 19 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 18 Jun | 0.3 | 0.0 | 6.6 | Science Fold Rotation Fault |
| 17 Jun | 0.0 | 0.0 | 6.9 | Enclosure UPS fault |
| 16 Jun | 0.0 | 0.0 | 6.9 | Enclosure UPS fault following mountainwide power problems. |
| 15 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 14 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 13 Jun | 6.7 | 0.0 | 0.2 | Photometric. TCS reboot. |
| 12 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 11 Jun | 1.0 | 0.9 | 5.0 | Photometric. TCS failure. High humidity at end of night. |
| 10 Jun | 4.2 | 0.0 | 2.7 | Mains power failure. |
| 9 Jun | 6.9 | 0.0 | 0.0 | Photometric. |
| 8 Jun | 3.8 | 0.9 | 2.2 | TCS node fault autorecovered. Problems focussing. Humidity spike. |
| 7 Jun | 0.0 | 7.0 | 0.0 | Cloud, Humidity. |
| 6 Jun | 0.0 | 7.0 | 0.0 | Humidity, rain. |
| 5 Jun | 7.0 | 0.0 | 0.0 | Non-photometric |
| 4 Jun | 0.0 | 0.0 | 7.0 | Focus problem (science fold?) |
| 3 Jun | 0.0 | 7.0 | 0.0 | Thick cirrus & high winds. |
| 2 Jun | 7.0 | 0.0 | 0.0 | Non-photometric. |
| 1 Jun | 7.0 | 0.0 | 0.0 | Photometric. |
May 2007
Observing: 125.7 hours
Weather Loss: 49.5 hours
Technical Loss: 54.9 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 May | 6.8 | 0.0 | 0.3 | Photometric. Alt node comms fault. Autorecovered. |
| 30 May | 7.1 | 0.0 | 0.0 | Photometric. |
| 29 May | 6.8 | 0.0 | 0.3 | Photometric. Alt node comms fault. Autorecovered. |
| 28 May | 3.3 | 0.0 | 3.8 | Photometric. AMN node communication fault. Autorecovered. |
| 27 May | 5.9 | 0.0 | 1.2 | Non-photometric. Science fold problem. |
| 26 May | 4.2 | 3.0 | 0.0 | High humidity at start of night. |
| 25 May | 0.0 | 7.2 | 0.0 | High humidity, rain. |
| 24 May | 0.4 | 1.0 | 5.8 | High humidity at start of night. Pneumatic fault. |
| 23 May | 0.0 | 7.2 | 0.0 | Freezing Fog. |
| 22 May | 0.0 | 7.3 | 0.0 | Freezing Fog. |
| 21 May | 0.0 | 7.3 | 0.0 | Freezing Fog. |
| 20 May | 0.0 | 7.3 | 0.0 | High humidity all night |
| 19 May | 7.3 | 0.0 | 0.0 | Photometric. |
| 18 May | 0.0 | 0.0 | 7.4 | Enclosure UPS Fault following mountainwide power supply problems |
| 17 May | 7.4 | 0.0 | 0.0 | Non-photometric. RATCam and SupIRCam. |
| 16 May | 7.4 | 0.0 | 0.0 | Non-photometric. RATCam only. |
| 15 May | 7.4 | 0.0 | 0.0 | Photometric. RATCam only. |
| 14 May | 6.3 | 0.0 | 1.2 | Further science fold work. Non-photometric. RATCam only. |
| 13 May | 6.5 | 0.0 | 1.0 | Devicenet Error. Non-photometric. RATCam only. |
| 12 May | 6.5 | 0.0 | 1.0 | Fold Mirror motor replaced. Non-photometric. RATCam only. |
| 11 May | 0.0 | 0.0 | 7.6 | Science Fold mirror motor failure. |
| 10 May | 0.0 | 0.0 | 7.6 | Science Fold mirror motor failure. |
| 9 May | 0.0 | 0.0 | 7.6 | Science Fold mirror motor failure. |
| 8 May | 0.0 | 7.6 | 0.0 | Thick cloud |
| 7 May | 5.4 | 0.0 | 2.3 | Non-photometric. Science fold mirror failure |
| 6 May | 7.7 | 0.0 | 0.0 | Photometric. |
| 5 May | 7.7 | 0.0 | 0.0 | Non-photometric. |
| 4 May | 7.8 | 0.0 | 0.0 | Photometric. |
| 3 May | 0.0 | 0.0 | 7.8 | Enclosure fault. |
| 2 May | 7.8 | 0.0 | 0.0 | Pointing tests. |
| 1 May | 6.0 | 1.6 | 0.3 | High humidity at start of night. 2 x TCS reboots. |
April 2007
Observing: 187.2 hours
Weather Loss: 56.6 hours
Technical Loss: 7.3 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 30 Apr | 7.9 | 0.0 | 0.0 | Photometric. |
| 29 Apr | 7.9 | 0.0 | 0.0 | Photometric. |
| 28 Apr | 6.6 | 0.0 | 1.4 | Photometric. RCS fault. |
| 27 Apr | 4.9 | 0.0 | 3.1 | Photometric. Node reboot, autoguider mirror deployment fault. |
| 26 Apr | 8.0 | 0.0 | 0.0 | Non-photometric. SupIRCam offline due to control computer lockup. |
| 25 Apr | 8.1 | 0.0 | 0.0 | Non-photometric. |
| 24 Apr | 8.1 | 0.0 | 0.0 | Non-photometric. |
| 23 Apr | 8.1 | 0.0 | 0.0 | Non-photometric. |
| 22 Apr | 8.2 | 0.0 | 0.0 | Photometric. |
| 21 Apr | 8.2 | 0.0 | 0.0 | Photometric. |
| 20 Apr | 8.2 | 0.0 | 0.0 | Non-photometric. |
| 19 Apr | 8.3 | 0.0 | 0.0 | Non-photometric. |
| 18 Apr | 0.0 | 8.3 | 0.0 | Cloud. |
| 17 Apr | 6.0 | 0.0 | 2.3 | Non-photometric, Focus problems following TCS reboot. |
| 16 Apr | 0.0 | 8.4 | 0.0 | High humidity. |
| 15 Apr | 6.0 | 2.4 | 0.0 | Non-photometric, high humidity at end of night (again!) |
| 14 Apr | 5.9 | 2.5 | 0.0 | Non-photometric, high humidity at end of night. |
| 13 Apr | 8.5 | 0.0 | 0.0 | Non-photometric. |
| 12 Apr | 8.5 | 0.0 | 0.0 | Non-photometric. |
| 11 Apr | 8.5 | 0.0 | 0.0 | Non-photometric. |
| 10 Apr | 0.0 | 8.6 | 0.0 | Humidity, Ice. |
| 9 Apr | 0.0 | 8.6 | 0.0 | Humidity, Ice. |
| 8 Apr | 0.0 | 8.6 | 0.0 | Humidity, Ice. |
| 7 Apr | 0.0 | 8.7 | 0.0 | Cloud, humidity, rain. |
| 6 Apr | 8.2 | 0.5 | 0.0 | Non-photometric. Humidity spike. |
| 5 Apr | 8.3 | 0.0 | 0.5 | Process OMC unresponsive, autorecovered. |
| 4 Apr | 8.8 | 0.0 | 0.0 | Photometric. |
| 3 Apr | 8.8 | 0.0 | 0.0 | Non-photometric. 5 Hours commissioning and testing; 3.8 hours science observations |
| 2 Apr | 8.8 | 0.0 | 0.0 | 3h SupIRCam testing at start of night. Then non-photometric 'til dawn. |
| 1 Apr | 8.9 | 0.0 | 0.0 | Non-photometric |
March 2007
Observing: 71.6 hours
Weather Loss: 147.1 hours
Technical Loss: 64.0 hours
Scheduled Maintenance: 0.0 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 Mar | 8.9 | 0.0 | 0.0 | Photometric |
| 30 Mar | 8.9 | 0.0 | 0.0 | Non-photometric |
| 29 Mar | 9.0 | 0.0 | 0.0 | Photometric |
| 28 Mar | 5.0 | 2.2 | 1.8 | High humidity at start of night. Alt axis & oil chiller faults at end of night. |
| 27 Mar | 0.0 | 9.0 | 0.0 | Snow/Ice |
| 26 Mar | 0.0 | 9.0 | 0.0 | Snow/Ice |
| 25 Mar | 0.0 | 9.1 | 0.0 | Snow/Ice |
| 24 Mar | 0.0 | 9.1 | 0.0 | Snow/Ice |
| 23 Mar | 0.0 | 9.1 | 0.0 | Snow/Ice |
| 22 Mar | 0.0 | 9.2 | 0.0 | Snow/Ice |
| 21 Mar | 0.0 | 9.2 | 0.0 | Snow/Ice |
| 20 Mar | 0.0 | 9.2 | 0.0 | Snow/Ice |
| 19 Mar | 0.0 | 9.3 | 0.0 | Snow/Ice |
| 18 Mar | 0.0 | 9.3 | 0.0 | Snow/Ice |
| 17 Mar | 0.0 | 9.3 | 0.0 | Snow/Ice |
| 16 Mar | 0.0 | 9.4 | 0.0 | Snow/Ice |
| 15 Mar | 0.0 | 9.4 | 0.0 | Snow/Ice |
| 14 Mar | 0.0 | 9.4 | 0.0 | Snow/Ice |
| 13 Mar | 0.0 | 9.4 | 0.0 | Snow/Ice |
| 12 Mar | 3.0 | 6.5 | 0.0 | Cassegrain fixed. High humidity/Ice for most of night! |
| 11 Mar | 0.0 | 0.0 | 9.5 | Engineer on site. Testing of new card underway. |
| 10 Mar | 0.0 | 0.0 | 9.5 | Engineer on site. |
| 9 Mar | 0.0 | 0.0 | 9.6 | Cassegrain rotator problem. Traced to amplifier card. New card procured. Engineer flying to site today. |
| 8 Mar | 0.0 | 0.0 | 9.6 | Cassegrain rotator problem. |
| 7 Mar | 0.0 | 0.0 | 9.6 | Cassegrain rotator problem. |
| 6 Mar | 0.0 | 0.0 | 9.7 | Cassegrain rotator problem. |
| 5 Mar | 0.0 | 0.0 | 4.7 | 5 hours scheduled maintenance/SupIRCam fitting at start of night. Cassegrain rotator problem for rest of night. |
| 4 Mar | 7.5 | 0.0 | 0.0 | Non-photometric. SupIRCam fitting at start of night. |
| 3 Mar | 9.7 | 0.0 | 0.0 | Photometric. Some spectrograph commissioning. |
| 2 Mar | 9.8 | 0.0 | 0.0 | Photometric. Some spectrograph commissioning. |
| 1 Mar | 9.8 | 0.0 | 0.0 | Spectrograph commissioning until midnight. Photometric. |
February 2007
Observing: 195.2 hours
Weather Loss: 77.7 hours
Technical Loss: 8.5 hours
Scheduled Maintenance: 2.6 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 28 February | 7.2 | 0.0 | 0.0 | Photometric. Spectrograph fitting at start of night. |
| 27 February | 9.8 | 0.0 | 0.0 | Photometric |
| 26 February | 9.9 | 0.0 | 0.0 | Photometric |
| 25 February | 2.6 | 0.0 | 7.3 | Incoming mains power fluctuations. Photometric. |
| 24 February | 9.9 | 0.0 | 0.0 | Photometric. |
| 23 February | 10.0 | 0.0 | 0.0 | Photometric. |
| 22 February | 10.0 | 0.0 | 0.0 | Photometric. |
| 21 February | 10.0 | 0.0 | 0.0 | Photometric. |
| 20 February | 5.5 | 4.5 | 0.0 | Photometric, high winds |
| 19 February | 1.8 | 8.2 | 0.0 | Non-photometric, high humidty, high winds |
| 18 February | 10.0 | 0.0 | 0.0 | Non-photometric |
| 17 February | 10.1 | 0.0 | 0.0 | Non-photometric |
| 16 February | 10.1 | 0.0 | 0.0 | Non-photometric |
| 15 February | 1.1 | 9.0 | 0.0 | Very poor seeing, high winds |
| 14 February | 9.7 | 0.0 | 0.4 | Non-photometric. Cas axis unresponsive, autorecovered ok. |
| 13 February | 8.7 | 1.5 | 0.0 | Very poor seeing at start of night, then non-photometric |
| 12 February | 10.2 | 0.0 | 0.0 | Non-photometric. |
| 11 February | 9.9 | 0.0 | 0.3 | Alt axis unresponisve, autorecovered ok. Non-photometric. |
| 10 February | 10.3 | 0.0 | 0.0 | Photometric |
| 9 February | 9.8 | 0.0 | 0.5 | Alt axis unresponsive, autorecovered ok. Photometric |
| 8 February | 10.3 | 0.0 | 0.0 | Photometric |
| 7 February | 10.4 | 0.0 | 0.0 | Non-photometric |
| 6 February | 7.9 | 2.5 | 0.0 | High winds, non-photometric |
| 5 February | 0.0 | 10.4 | 0.0 | Rain & Thick Cloud |
| 4 February | 0.0 | 10.4 | 0.0 | Thick Cloud |
| 3 February | 0.0 | 10.4 | 0.0 | Ice |
| 2 February | 0.0 | 10.4 | 0.0 | Ice |
| 1 February | 0.0 | 10.4 | 0.0 | Ice |
January 2007
Observing: 189.3 hours
Weather Loss: 131.1 hours
Technical Loss: 27.1 hours
| Date | Hours Used | Comment | ||
|---|---|---|---|---|
| Observing | Weather | Technical | ||
| 31 January | 0.0 | 10.5 | 0.0 | Ice |
| 30 January | 0.0 | 10.5 | 0.0 | Ice |
| 29 January | 0.0 | 10.5 | 0.0 | Ice |
| 28 January | 0.0 | 10.6 | 0.0 | Snow & Ice |
| 27 January | 0.0 | 10.6 | 0.0 | Freezing Fog |
| 26 January | 0.0 | 10.6 | 0.0 | Freezing Fog |
| 25 January | 0.0 | 10.6 | 0.0 | Cloud, High humidity |
| 24 January | 1.6 | 9.0 | 0.0 | Non-photometric, then cloud and rain. |
| 23 January | 10.6 | 0.0 | 0.0 | Non-photometric (includes 5.8 hours of on-sky testing). |
| 22 January | 9.9 | 0.0 | 0.7 | Non-photometric. Science fold error + azimuth node dropout & autorecovery. |
| 21 January | 9.8 | 0.0 | 0.8 | Photometric, poor seeing. 0.8h maintenance work at sunset. |
| 20 January | 10.0 | 0.0 | 0.7 | Photometric but very poor seeing. Heartbeats lost, autorecovered ok. |
| 19 January | 10.3 | 0.0 | 0.4 | Non-photometric. Azm node lost, autorecovered. |
| 18 January | 0.0 | 10.7 | 0.0 | Thick Cloud. |
| 17 January | 9.8 | 0.0 | 0.9 | Non-photometric. Alt encoder errors. |
| 16 January | 10.7 | 0.0 | 0.0 | Non-photometric |
| 15 January | 0.0 | 0.0 | 10.7 | Enclosure Fault. |
| 14 January | 10.4 | 0.0 | 0.3 | Photometric. Cass unresponsive, autorecovered ok. |
| 13 January | 10.7 | 0.0 | 0.0 | Non-photometric. |
| 12 January | 0.0 | 10.8 | 0.0 | Thick cloud, high winds |
| 11 January | 0.0 | 10.8 | 0.0 | Ridge cloud, high winds, humidity |
| 10 January | 8.7 | 0.0 | 2.2 | Photometric. Chiller fault. |
| 9 January | 10.5 | 0.0 | 0.4 | Cass unresponsive, autorecovered ok. Non photometric |
| 8 January | 7.9 | 3.0 | 0.0 | Thick cloud at times. Non photometric |
| 7 January | 8.5 | 2.4 | 0.0 | Thick cloud at start of night, then non-photometric |
| 6 January | 10.9 | 0.0 | 0.0 | Non-photometric |
| 5 January | 10.9 | 0.0 | 0.0 | Non-photometric |
| 4 January | 10.9 | 0.0 | 0.0 | Non-photometric (includes 4.6 hours of on-sky testing). |
| 3 January | 10.9 | 0.0 | 0.0 | Non-photometric (includes 4.4 hours of on-sky testing). |
| 2 January | 0.0 | 0.0 | 10.9 | On-mount power circuit breaker tripped during startup. |
| 1 January | 10.9 | 0.0 | 0.0 | Photometric. |
