On Tue, 19 Nov 2019 22:40:59 +0000, Martin Brown
wrote:

snip

For food for thought.

You might want to ask the question on sci.astro.amateur too and take a
look at the unconventional use of webcams for astronomy on the QCUIAG
site (true DIY stuff using and adapting cheap webcams)

http://www.qcuiag.org.uk/

There is a lot of interesting low light stuff there.

I like this:

http://www.pmdo.com/images/wsccamera.jpg

I do miss making up electronics projects. Some of that has been taken
away via microcontrollers etc (and I'm better with a soldering iron
than I am an IDE). ;-(

Cheers, T i m