CTIO site closed since
15 Jul 2020: The LCO website has a new style. The website now includes a search box.
7 May 2020: The BANZAI imaging pipeline has been updated. Data products now include a new ERR extension, which contains an array of uncertainties associated with each pixel in the image.
20 Mar 2020: In response to Governor Newsom's order for all California residents to "stay at home" except for activity needed to maintain essential services, all LCO employees are required to work from home.
16 Mar 2020: In response to the COVID-19 pandemic, LCO employees have been asked to practice social distancing, and those who are able to work from home are doing so.
5 Aug 2020: A power supply alert necessitated closure of the clamshell. Observations with the 2m and 0.4m telescopes were discontinued.
15-21 Jul 2020: The 0m4b telescope was taken offline so that it could be re-collimated.
15-24 Apr 2020: The focus mechanism on the 0m4a telescope is broken. The telescope is unavailable for science observations.
1-13 Mar 2020: Images from the fa19 Sinistro camera appear hazy in some filters. The camera was unavailable while the problem was under investigation.
28 Feb 2020: The fa19 Sinistro on the Dome B 1-meter telescope is available for science observations.
12 Feb 2020: The fa19 Sinistro camera was installed on the 1-meter telescope in Dome B. Commissioning is in progress.
20-21 Jan 2020: The Auxiliary Mechanisms Node failed to boot-up. The 2m telescope was unavailable for science observations.
16 Jan 2020: The kb28 camera is available for science observations.
8 Jan 2020: Following months of investigation/experimentation on-site, the fa11 Sinistro has been removed from the Dome B telescope. The fa11 camera will be shipped back to HQ for thorough testing.
7 Jan 2020: The kb28 camera replaced kb97 on the 0m4a telescope.
29 Jul - 5 Aug 2020: The acquisition and guide camera stopped working. NRES observations were not possible.
22-26 Apr 2020: The telescope was out-of-service because of a problem with the guide motor.
8 Aug 2020: A hose from the dry air tank has failed. The NRES unit has no pressure control, and is not available for science observations.
31 May - 2 Jun 2020: The Mount Interface Computer (MIC) on the Dome C telescope was offline. The telescope was not operational.
27 May 2020: The Dome A telescope is available for science observations again.
20 May 2020: The fa16 Sinistro is cold again. Calibration and checkout are in progress.
14 May 2020: The NRES unit is available for science observations. The light is fed from the Dome B telescope.
6 May 2020: Operations at Sutherland resume! The Dome A 1-meter telescope is still not available for science observations.
26 Mar 2020: The SAAO has decided to suspend operations at Sutherland due to the COVID-19 pandemic.
17 Feb 2020: The fa16 Sinistro camera on the Dome A telescope has warmed up. This camera is not available for science observations.
29 Apr 2020: The 0m4a telescope (with kb81 camera) is no longer stuck. Testing is in progress.
15 Apr 2020: The 0m4b telescope (with kb98 camera) is available for science observations.
14 Apr 2020: Operations at Teide Observatory have resumed.
29 Mar 2020: The IAC has decided to shut down Teide Observatory.
2 Jan 2020: The 0m4a telescope is stuck on the roll axis. Science observations are not possible.
17 Mar 2020: The National OIR Lab has decided to suspend operations at CTIO due to the COVID-19 pandemic. Science observations are not possible until the site is re-opened.
18-19 Feb 2020: The 1m telescope in Dome A was stuck on the roll axis.
7 Jan 2020: The compressor on the fa15 Sinistro camera (Dome A telescope) was replaced. The camera is being tested in preparation for science observations.
4 Aug 2020: Roll axis errors on the Dome A telescope have worsened. This telescope is no longer available for science observations.
5-12 Jun 2020: The Dome A 1m telescope was triggering a roll axis overspeed interlock.
26 May - 8 Jun 2020: Intermittent "overspeed" errors on the pitch axis of the 0m4a telescope.
22 May - 2 Jun 2020: The air compressor in Dome A has failed. The Dome A telescope is not available for science observations.
19-23 May 2020: The 0m4a telescope was stuck on the pitch axis.
17 Apr 2020: The 1m telescope in Dome A (fa05 Sinistro camera) is available for science observations.
16 Apr 2020: The 0m4a telescope (kb88 camera) is available for science observations.
14 Apr 2020: Operations at McDonald Observatory have resumed.
25 Mar 2020: Operations at McDonald Observatory are suspended due to the COVID-19 pandemic.
24 Mar 2020: The upper shutter on Dome B doesn't open all the way. This telescope is unavailable for science observations.
13 Mar 2020: McDonald Observatory is closed to visitors. The site trip to service the ELP-NRES unit is postponed.
16 Feb - 5 Mar, 9 Mar 2020: The upper shutter on Dome B intermittently does not open all the way. The problem is being investigated.
28 Jan 2020: The NRES back-end camera warmed-up. The NRES instrument is offline while the cryostat is examined.
29-31 Jul 2020: The azimuth motor on FTN's secondary mirror overheated, and the telescope was offline.
25-27 Jul 2020: Haleakala Observatory was closed because of Hurricane Douglass.
17-20 Jul 2020: The 0m4c telescope was disabled for a fault on the roll axis.
12-28 May 2020: The roll drive motor was removed from the 0m4c telescope.
27-28 Feb 2020: Communications to Haleakala Observatory were severed. The problem was with Hawaiian Telecom and not under LCO's control.
24 Feb 2020: Power to Haleakala Observatory was restored. Science observations have resumed.
10 Feb 2020: Because of a powerful storm, there is no power at Haleakala Observatory. No observations are possible.
24-30 Jan 2020: A fan on the 2m telescope's hydraulic system malfunctioned. The 2m telescope had to be taken offline because the oil wouldn't cool and remained offline until the fan was replaced.