Posted Jun 03, 2023
During the afternoon of May 25th, the SX M2 adaptive secondary (ASM) was removed and the rigid secondary installed in its place. The coating on the SX ASM had been degrading, and it is being sent to Italy for recoating. …
Posted Mar 04, 2023
Update Jan 10 2024: The issue was resolved during SSD23 and the AGw patrol field is back to the nominal area described in the LUCI pages (here). The problem was traced to the camera cable, where a couple of wires …
Posted Feb 10, 2023
Resolved with PEPSI SSD2023 upgrade and work.
Update 2023-02-10
The blue CD is degrading its operational performance: now it cannot be re-positioned from UMAC at all. It can no longer move down to CD1. It only can traverse between CD2 …
Posted Dec 20, 2022
There is an intermittent issue affecting the lower right quadrant (Q2) of MODS1B, where the counts in even and odd channels differ by hundreds of ADU (>~450 ADU). Because of the readout strategy employed: the detector is read out by …
Posted Oct 14, 2022
There appears to be a temporary change in the persistence behavior of the LUCI detectors. After an observation of Saturn, from data collected on 20220906 (simple sum of the dithered Saturn data), persistence is still visible a month later (20221013):
Posted Sep 19, 2022
LBC’s: Released for Science
TMS: Released in shared risk
LUCI’s: Released for Science
SX AO: Diffraction limited and ESM in all modes are released in shared risk.
MODS: Released for Science
PEPSI PFU: …
