Search found 5 matches

by JLP
Thu Nov 30, 2017 10:41 pm
Forum: Polar Alignment
Topic: Advice on Guidescope upgrade
Replies: 9
Views: 4284

Re: Advice on Guidescope upgrade

I could be wrong with the way i set things up I am still on a steep learning curve. The reason I set up this way is because of the flexure in the mount. If I were to set up the DSLR parallel with the scope and slew round having got PA the whole PA will be out because of the shift in weight even if b...
by JLP
Thu Nov 30, 2017 3:04 pm
Forum: Polar Alignment
Topic: Advice on Guidescope upgrade
Replies: 9
Views: 4284

Re: Advice on Guidescope upgrade

When I am imaging my guide camera is still pointing towards Polaris now that I am using SharpCap. Maybe I am doing something wrong perhaps a picture will help. My imaging camera the DSLR is pointing to M33 in the picture.
PB300031.jpg
PB300031.jpg (988.44 KiB) Viewed 4255 times
by JLP
Wed Nov 29, 2017 10:01 pm
Forum: Polar Alignment
Topic: Advice on Guidescope upgrade
Replies: 9
Views: 4284

Re: Advice on Guidescope upgrade

Thanks again. By log I mean a trend graph of dec and alt verses time much as PHD does. I have noticed that on my cheap mount the alignment does drift and I think that is primary because I am operating at the limits of the mount. I am sure the wedge flexes depending on the position of the ra axis Its...
by JLP
Wed Nov 29, 2017 11:24 am
Forum: Polar Alignment
Topic: Advice on Guidescope upgrade
Replies: 9
Views: 4284

Re: Advice on Guidescope upgrade

Thank for the helpful reply Robin.

I assume the 2 x digital gain does not affect the angle of view.

Is there a way to log or trend the PA once you have finished making adjustments?

John
by JLP
Tue Nov 28, 2017 9:40 pm
Forum: Polar Alignment
Topic: Advice on Guidescope upgrade
Replies: 9
Views: 4284

Advice on Guidescope upgrade

Just been using Sharpcap for setting up polar alignment (PA), what a gem SC is thanks Robin, it’s a game changer for me. I am in my second year of trying astrophotography imaging using a DSLR and lenses up to 500mm on a Star Adventurer (SA). It’s not the best mount for this stuff I know but it is ch...