• Cg5 Periodic Error

    Celestron Advanced VX gearbox adjustmentCelestron Telescopes – Andrews … – Celestron NexStar computerised “Go-To” telescopes ***NEW*** NEXSTAR “EVOLUTION” TELESCOPE PACKAGES. Please check with us the day prior if you ……

    Meade LX200 ACF 14″ UHTC Advanced … – Meade LX200 ACF 14″ UHTC Research Grade – Advanced Coma-Free & UHTC Optics – Fully Computerised…

    Mount [Archive] – IceInSpace – Australian Amateur Astronomy … – On a CG5 can we see the periodic error? Can we compensate for it. 3. What is a realistic maximum exposure time I should expect with quality star roundness (if that is even the right measure)? Any thought are welcome! Ed. Alchemy. 19-07-2008, 07:35 AM.

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    Uncle Rod’s Astro Blog Just a quiet little spot where Rod Mollise can share his adventures and misadventures with you……

    Celestron CG5 gear teeth count? Hi, i have Celestron cg-5 computerized mount, want to make some periodic error corrections. Need technical data. So my question is- For Celestron cg5 what is: worm gear’s period (s)? total gear teeth? …

    What about PEC (periodic error correction) and my CGE? …

    Meade LX90 ACF 10″ UHTC Advanced Coma-Free Optics – UHTC Coatings – Fully Computerised…

    Periodic error correction (PEC) can reduce the fundamental term only – because the 8/3 term is non-integral (2.6667) and not in phase with the fundamental. So for this mount, a good PEC training should reduce the PE to about 22″ or so – as the 8/3 motor term is 20″.

    Celestron C8 Edge-HD VX GOTO Questions & Answers Please fill in the form below to ask a question….

    Never saw that before on my cg5. I also noticed when I tore down that the knob locking the mount to the tripod (underneath the tripod head) was not secure after polar aligning. … tracking error vs periodic error? Might have been a bad idea. Oy..such a bad idea! …

    Meade LXD-55 SN8, Celestron CG-5 with GotoNova GOTO kit. Phenix Optics 127mm F1200 refractor, Orion Starshoot DSI BC&F 25 x 100 Binocular Canon 300D,

    Typical CG-5 Periodic Error Values? – posted in Mounts: What sorts of periodic error values do people normally get on CG-5s? The french site on mounts shows nearly a +/- 40 arc seconds. We think we measured something around +/- 20, though we didnt measure for as a long period and might have …

    SKU: CE-12026: Manufacturer: Celestron: Telescope Series: Celestron Advanced VX: Optical Design: Schmidt-Cassegrain: Mount Type: Equatorial – GoTo ……

    The data was gathered using PHD software by Stark Labs version 1.13.5 for Mac. It shows the periodic error of just under 20 arc-seconds. The important thing to take away from this is that the waveform is anything BUT periodic. There is NO Periodic Error Correction …