I am running kstars/ekos on a RPi3B+ connected to an HEQ5 Pro and an ASI185 colour camera. The field of view of my camera, attached to a celestron C8 with an f6.3 focal reducer, is approx 13'x10'. I am trying to use the ekos align module offline on my laptop and it consistently fails to solve. I get an error message saying that the index files 4200 to 4204 are missing. The files are actually present in the /usr/share/astrometry directory on my laptop (and on the RPi) and can be read with ghex. They are shown as present when I open the directory via the index files option in the align module. My astrometry.cfg file in /etc shows "add_path usr/share/astrometry" and "autoindex". The "autoindex" fails for files 4200 to 4204 but apparently works for any of 4205 to 4219 it may require. It is not clear to me, given the specified field of view of my camera, whether the 4205 files are required. None of 4206 to 4219 should be. All of my index files are owned by root but all users have read access.

The mount control features using the control panel and the track function from the kstars star map seem to work fine.

I would be grateful for any help in resolving my difficulties.

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