Ajohn

Painless remote control options 1 2 3

By Ajohn, February 3, 2015 in DIY Astronomer

Cleaning optics in telescopes

By Ajohn, December 28, 2015 in DIY Astronomer

Anyone have view on the Velleman K8200 3D 1 2

By Ajohn, March 31, 2016 in DIY Astronomer

• 3d printers

3D Printer CAD software

By Ajohn, January 31, 2016 in DIY Astronomer

• cad software
• cost
• (and 1 more)

  Tagged with:

  • cad software
  • cost
  • what it can do

The mathematics behind designing polar alignment reticules

By Ajohn, January 18, 2016 in DIY Astronomer

A video on making worm wheels

By Ajohn, January 21, 2016 in DIY Astronomer

Skywatcher initial scope positioning before alignment

By Ajohn, January 4, 2016 in Discussions - Mounts

Vixen GPDX upgrade confusion

By Ajohn, December 30, 2015 in Discussions - Mounts

Fancy a change from a dob ?

By Ajohn, May 4, 2015 in DIY Astronomer

Anyone interested in cassegrain types

By Ajohn, March 30, 2015 in DIY Astronomer

Skywatcher mirrror thickness ??

By Ajohn, March 17, 2015 in DIY Astronomer

Skywatcher dovetails and their tube rings

By Ajohn, March 6, 2015 in DIY Astronomer

Broken corrector plates on Celestron C9's ??? 1 2

By Ajohn, December 24, 2012 in Discussions - Scopes / Whole setups

SW Synscan handset firmware upgrade

By Ajohn, January 1, 2013 in Discussions - Mounts

Starwatcher Altz Mounts Synscan and SupaTrack

By Ajohn, December 10, 2012 in Discussions - Mounts

Skywatcher synscan Alt Ax mount

By Ajohn, December 2, 2012 in Discussions - Mounts

Anyone have or had a good look at an 8ins cape newise with carbon tube 1 2

By Ajohn, June 21, 2008 in Discussions - Scopes / Whole setups

Color cameras?

By Ajohn, July 10, 2008 in Imaging - Discussion

Linux image processing - might interest windows users too

By Ajohn, July 9, 2008 in Imaging - Discussion

SAC10 camera

By Ajohn, July 2, 2008 in Discussions - Cameras

Hi from Ajohn

By Ajohn, April 9, 2008 in Welcome