How to stow the dome (home the dome)

Sunday, February 4, 2024

Problem(s) Encountered:

When we homed the dome, it reported the error that error Where m_dec not homed and we cannot see the telescope from...

Guider issues (electronic noise)

Monday, January 15, 2024

Problem(s) Encountered:

I noticed one odd problem with the guiding -- basically, it was throwing a spurious correction of an arcsec or two...

Dec motion failure

Wednesday, November 8, 2023

Problem(s) Encountered:

Tracking stopped at 1:10am.  I discovered this at 2:50am after waking from a nap.  Determined that it was due to the...

VNC connection failure

Thursday, November 2, 2023

Problem(s) Encountered:

VNC screen stalled around 3:40am.  Since that,  x11vnc -nomodtweak -display :0” is not working anymore.Unfortunately,...

Guide probe failure (no x-axis motion)

Monday, October 9, 2023

Problem(s) Encountered:

...the guide probe is stuck in X.  I do need to guide, unlike Doug, so I tried to fix it, going as far as re-initializing...

Telescope response failure

Saturday, October 7, 2023

Problem(s) Encountered:

I tried 'telescope stop' and 'telescope start' command a few time. However, TCS was not working.The 2.4m observer,...

Dewar warmed up (DON'T JUST REFILL!!!!) and Owl connectivity failure

Sunday, September 24, 2023

Problem(s) Encountered:

...about 22:30, we realized the detector had warmed up.  Went downstairs to do a nitrogen fill.  Don't know the cause,...

OWL command issuance issue

Friday, September 15, 2023

Problem(s) Encountered:

OWL issue:Can not input text in exposure time and file  boxes since midnight.I rebooted mdmarc2 computer once, however...

IRAF keystrokes and a remote hang

Thursday, August 24, 2023

Problem(s) Encountered:

We are observing remotely. When using imexam in IRAF, sometimes when we enter a letter (ie. normally r) the computer...

Generac generator alarm

Saturday, June 24, 2023

Problem(s) Encountered:

I heard a high-pitched alarm sound coming from the 1.3m generator.  I looked at the control panel (door on NE side)...


1.3m Trouble Reports & Solutions

Recent trouble reports for the McGraw-Hill 1.3m telescope.  Note that you may find it worthwhile to peruse the 2.4m reports as well in case your problem is instrument-related.

Scroll down for a link to the complete archives.

To open a simple and searchable database containing all archived trouble report solutions, click on the following links.  While there are individual links for each telescope, it is worthwhile to search both databases in the event that you experience trouble:

Hiltner 2.4m Trouble Report Database (2024Feb16)

McGraw-Hill 1.3m Trouble Report Database (2024Feb16)

Click Here for the Full Archive