Comment on the Weather

Go ahead…  make my day.  Tell me how good or bad your weather is.  Lemme tell ya’, this PNW weather is dragging me down. I’ll start,  It’s Nov 28.  The last chance I had  to do some astrophotography (actually just good enough to do some mount testing) was on the 13th, the time before that … Read more

Astronomy Fashion – Staying Warm

I’m going to touch on this subject with a few things I’ve found to keep me warm.  Well, more accurately, things that help lower the volume of my teeth chattering.  Please chime in with any things you’ve found that help you stay comfortable through cold winter nights. First, some guidelines: Don’t wear cotton next to … Read more

Batteries

Going remote with your Astrophotography Rig? You’ll need power….  Quite a bit of it.  Most people won’t want to have a generator ruining the peaceful solitude of the night, so battery power is the usual solution. So how much power do you need, what kind of batteries will do, how to connect to them, how … Read more

PE Measurement

Oh geeze….   PE.   Now this is a horrid subject.  Here’s an introductory guide. This discussion will refer to errors in the drive systems of  German Equatorial Mounts (GEMs) and particularly to those that are driven by a worm gear arrangement.  The basics and principles will of course also apply to other drive systems, … Read more

SBIG Self Guide Cable (Optocoupler)

I worry a lot. It seems there are a lot of folks that have trouble with hooking up their guider correctly, things not working right, and even damage to the mount and/or camera….  So I worry.   After I got my Losmandy mount with the Gemini controller I reviewed the manual carefully and read lots of … Read more