Quote:
Originally Posted by astro744
Note you can track with Alt-Az but you need to move both axis at the same time and at different rates. Stepper motors could do it with some sort of microprocessor. Note Alt-Az tracking causes field rotation that needs to be compensated if photographing.
A Poncet platform is an equatorial platform with tracking typically about 45 minutes before having to be reset. It is custom made to your latitude but adjustable versions are available. See http://www.equatorialplatforms.com/ |
Ridiculously expensive product, I could buy an EQ8 mount & pier for similar money, converting the Dob completely.