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Found 5 results

  1. Hi all, After updating my legacy HC to the 99.22 (I had to, because of the GPS rollover issue) and the MC to the 5.23 firmwares (siply because it was there, and I've got greedy), both acquired via Teamcelestron, my CPC was operating normally until, all of the sudden, its altitude motor stopped working. I've uploaded a video at youtube showing what happens: https://youtu.be/p2cHJkPt9Vc As you can see, I don't get any error message in my HC but, if I try to move the scope in altitude, nothing happens (no movement, no motor noises, nothing). When I release the clutch and move the scope manually in altitude, it does move but has a weird noise by the same place where previously it used to make a snap one, which I already reported to celestron tech support once, and even made a video that I also uploaded to youtube: https://youtu.be/KCc69eUSbeY I've already seeked help from Celestron Tech support (and the folks at Cloudy Nights) but any help from you would be very much appreciated. Best regards, NV
  2. I have discovered that the Nexstar+ handset of my CPC800 has a Camera sub-menu, apparently for controlling a camera. This is not documented in the CPC800 manuals and I could not find any instructions online. All I found on the Celestron website was a picture of a C8 SE with a camera attached and a cable leading from the camera to the aux port. Has anyone used this feature, or have some instructions? Is it really useful for anything?
  3. Good afternoon all and hello from cloudy maidenhead! Recently getting back into astronomy from a few years break and have just bought a Celestron cpc 800 which i love! (i used to have a 8" Dob but it was too cumbersome to take to darker skies) Anyway as my title suggests i started\cleaning the front correction glass when i noticed the center with the collimating screws was able to rotate!? As i tried to tighten it, it kept on rotating (oh no!) This left me no choice but to remove the front glass to get inside to tighten it. I marked very carefully the exact orientation of the glass as ive heard this is matched to the main mirror and screws etc... When i removed the front end as feared the the secondary mirror was rotating also and i have no idea what position it started in! Will this just be a simple issue of re-collimating the scope or does the main and secondary mirrors need to be aligned some how? On a second note as i had the correction glass out i decided to clean both sides of it... I cleaned it very carefully and happy with the results but the glass didn't look coated in any way, just perfect clear glass. does this sound normal? Thanks for your help in advance guys Stu
  4. Hi. I own a Celestron CPC 800. I used to be quiet knowledgeable on it. I moved over 3 years ago and got my scope out for the first time in nearly 4 years. OMG I have forgotten practically everything. Last year i bought a starsense autoalign as i used to have trouble setting it. I tried for 3 hours to get this thing to align my scope last night. I watched as my optical tube do 2 somersaults. Neither of my hand sets asked for the time and location. We have really dark skies here. I tried to align with the scope with 2 and 3 points for alignment and this star sense. I thought as i had not used my scope for years and first turned it on this would have reset itself. I take it this is not so. Can any one please give me some simple advice ... besides giving up lol. Karen
  5. Hello everyone, I was able to get out again recently and run a few sessions with students. The images below are labelled, and are from our less-than-perfect suburban site on campus using both a Celestron CPC 800 (8" SCT) at f6 and various Borg refractors (in this case, primarily a 77mm Borg EDii) at f4 with a SX Trius 694 monochrome CCD camera. All shot with an alt-az mount using SLL software for capture/stacking. No post processing other than the usual on-the-fly adjustments. I'm using the Trius 694 in 2x2 bin mode, mainly because SLL doesn't seem to want to work with it using any other binning mode. Luckily, it seems to work fine in 2x2 and I'm generally happy with the results, though I find with the fork mounted CPC that the need to use a diagonal makes spacing of the reducer/camera tricky, and I'm not getting as well corrected or reduced a field as I'd like (I'm using an Antares 0.5x reducer, but I'm only getting f6 out of it and still see artifacts at the edges). Any suggestions are welcome! Cheers, Greg A
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