MDM Observatory 2.4m Telescope Observing Report for 2025 Mar 26

Observer(s): Laura Hunter, Sasha Campana
Institution(s): Dartmouth

Instrument: OSMOS

Worked for 9 hours (all night)
Conditions were Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 1 arcsec, Patchy Clouds, Winds Light & Variable
   Mid: Seeing 1 arcsec, Clear, Winds Light & Variable
   End: Seeing 0.9 arcsec, Clear, Winds Calm

Observing Summary:

Full night of spectra of low surface brightness galaxies with OSMOS.  

Some pointing issues with the telescope that appear worse at lower altitudes (farther from zenith)

The Bench temperature does not appear to be automatically updating, making it hard to know what the camera focus is.  
The temperature updated if restart was run in prospero.

------------------------------

Submitted on 2025 Mar 27 [6:28:51]