¿ªÔÆÌåÓý>>> there have been instances where pec and predictive result in worse behavior ? Yes, but to be clear, that was for a different manufacturer. Losmandy mounts can run PEC and PPEC (or any other guide algorithm) without problems. ? The best thing to do is head over to the PHD forums and ask the authors of PHD directly if they have any questions on this ?
? ? ? Thanks ? Brian ? portfolio https://www.brianvalentephotography.com/ ? From: [email protected] [mailto:[email protected]] On Behalf Of crocco1250 via Groups.Io ? Brian My memory is not what it used to be but..... You're right about Dec (Dec usually doesn't move anyway) but I distinctly remember (memory corrupted?)? they said there have been instances where pec and predictive result in worse behavior.?? So caveat emptor : let the user beware.? So,? if anyone has questions,? I urge them to read up on predictive.?? Users can decide to enable both or only one. Chuck On Thursday, January 30, 2020 Brian Valente <[email protected]> wrote: Chuck that's not quite correct, in fact PHD recommends in most cases the in-mount PEC is complementary to PHD guiding ? PHD has predictive PEC, which watches the worm period and models periodic error behavior. if you enable mount-based PEC, it will simply model less error (usually the harmonics of the primary are what's left) ? You may have been thinking of DEC backlash compensation? which you don't want enabled in the mount? it does indeed fight with PHD's auto backlash compensation, and PHd's is much better at doing it. regardless, you'd want to pick one or the other there not? ? On Thu, Jan 30, 2020 at 5:44 PM crocco1250 via Groups.Io <crocco1250=[email protected]> wrote:
? -- Brian? ? ? ? Brian Valente portfolio |
