search

desihub / nightwatch

DESI Nightwatch: online data quality assurance
BSD 3-Clause "New" or "Revised" License
2 stars 2 forks source link

SP7 trace warnings present in science exposures #435

Closed sybenzvi closed 2 weeks ago

sybenzvi commented 4 weeks ago

@djschlegel noticed that all science exposures have a large and growing DY in SP7 (wavelength). Calibration exposures are not affected. It looks like the drift started 20240822, see the QA history plots.

Screenshot 2024-10-24 at 6 16 36 PM

sybenzvi commented 2 weeks ago

The offset is fixed as of 20241101.