MOS Mask Milling Machine Issue
Apr 10, 2025
April 9, 2025: The laser for the MOS mask milling machine recently stopped working. Currently all mask milling for LUCI and MODS is halted while the issue is resolved.
Category: Announcements
LUCI1 Filter Wheel#2 (Broadband) Switch Issue
Apr 03, 2025
Apr 2, 2025: Flaky switch on LUCI1 Filter Wheel #2 (broadband filters).
LUCI1’s Filter Wheel #2, where the broadband filters are located, is showing a flaky position sensing switch that affects all higher-numbered filters, which includes all but the zJspec …
LUCI1 Critical MOS error Recovery Status
Mar 09, 2025
Mar 13, 2025: All normal modes with LUCI1 are released for science.
N375 and N30 imaging, as well as G210 and G200 spectroscopic modes have all been released for normal science use.
Mar 9, 2025: LUCI1 All modes **NOT** …
SX ASM Status Update
Feb 14, 2025
Update Feb 24, 2025
On-sky seeing limited checkouts were completed on UTFeb24. The binodal astigmatism was measured and collimation tables updated. The SX ASM is released for all available seeing-limited science modes without restrictions.
Update Feb 14, 2025
ASM …
DX AO in Cold Conditions
Jan 21, 2025
DX ASM in Cold Weather Update – Jan 21, 2025
Work was done in summer shutdown 2024 to attempt to address the issues causing the failures in cold temperatures with the DX ASM. Unfortunately, we have continued to see the …
DX LUCI AO FW issue – Shared Risk Release
Jan 11, 2025
Jan 09, 2025
The DX LUCI WFS experienced an issue with one of the filter wheels. This filter wheel is used for very bright targets only with an R magnitude brighter than 8th magnitude. LUCI full AO and LUCI ESM …
LBTI Instrument Status
Sep 10, 2024
As of Sept. 9, 2024, LBTI’s camera cryostat (NIC) remains off the telescope for ongoing maintenance and upgrade work, with some major uncertainty on the observing modes that will be available for 2024B and 2025A. PIs of accepted 2024B programs …
LBTO Restart 2024
Aug 30, 2024
Summer Shutdown 2024 Wraps up on Aug 30, 2024 with the first on-sky checkout of our instruments taking place Aug 30 weather permitting.
Update Sept 2 2024: On UT Sept 1 the Telescope experienced a water intrusion event. The SX …
LUCI2: Displaced G200 Spectra (LUCI2 G200 available)
Jun 28, 2024
LUCI2 G200 Available – problem understood! (June 28, 2024)
The G200 tilt issue is now understood. The “in position” switches turn on just before the grating wheel engages the detent. With a few dropped steps this can leave the grating …
DX Adsec to be removed
Jun 11, 2024
DX Adsec Removed – June 12, 2024
DX Adsec will be removed before SSD24 to address a potential issues with a board in crate3. The rigid secondary will be installed for the remainder of the semester. The unit has maintenance …
