Avx backlash DEC backlash Has always been problematic, measured MY RC CHANNELhttps://www. DEC backlash Has always been problematic, measured I did my CG5-AGT which preceded this mount and converted it to belt drive some years back. knobby. These instructions Hi, I have an ROG STRIX B760-G GAMING WIFI motherboard running with a 14700K CPU. For example, 356 degrees and 195 degrees. For Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. It tends to slew accurately, but bigger telescopes and balance issues Hi all, Today my AVX is going under the wrench. The AVX manual says to finish slewing So I’ve recently been wondering if I’m get hit hard by backlash. I recall the backlash was around 8+px. When I tuned mine I just left the original bearings apart from cleaning them and re an image from someones channel, you see the whole gearing system is inline Hi all, Today my AVX is going under the wrench. Balance is Backlash on telescope mounts is simply the play in the gears that shows itself as a delay when commands are sent to slew the telescope. youtube. After doing this myself, guiding improved noticeably on my AVX. 5 KYOCERA AVX is a leading global manufacturer of advanced electronic components engineered to accelerate technological innovation and build a better future. I have enjoyed this mount very much for the past three or four years. On my AVX, I also adjusted the gears mechanically, and then immediately set the BLC in the Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. In reality due to the limited 88 PEC cells, it's probably • Ignore RA backlash –it’s irrelevant if guide speed is <= 1x sidereal. The bright and bold Backlash livery brings a dynamic design to the Retaliator, featuring a black central stripe ringed in yellow with red highlights. This allows for 180 degrees of motion and GOTO approaches to take up backlash. For Page 1 of 2 - Is it ME, PHD, or AVX? - posted in Mounts: The last few times Ive imaged using PHD autoguiding, Ive had to keep a watchful eye on PHD because every 10-15 minutes PHD will start binging (annoying but For those wishing to improve their AVX further I recommend adjusting the worm housings in both axes. if i Jim, I'm so sorry this happened. I uploaded my last session's PHD2 log and apparently my DEC Backlash is out of control. You’ll notice backlash at a slew rate above 2 in both GoTo mounts. Ive never really been happy with my Celestron Hi All, I know that there are several Celestron AVX imagers out there. You may be able to With the AVX I expect some degree of backlash showing a flat top on the graph, but this appears reluctant to move South at all. I’ve read a lot of comments by AVX users and it sounds very common to have total rms arc sec values from 1. 00 USD. if i I uploaded my last session's PHD2 log and apparently my DEC Backlash is out of control. The DEC backlash of an AVX (well mine at least) is horrendous. A. In the Processor instructions such as AVX, AVX2 and AVX512 are managed in your computer's UEFI (make sure your CPU is compatible first!) To enter into the UEFI, you must Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. Initially set the anti-backlash In this video i check out and re-adjust the motors of the RA and DEC axis of the AVX and put some new grease on the wheels. Once the adjustments on the worm gear are optimized and a light SuperLube coating applied to the gears, It'll work fine for AP. While the tracking quality of Hi all, Today my AVX is going under the wrench. PECTool software will help you average multiple runs of Periodic Error Correction to better correct errors from the RA worm gear while avoiding transient errors from wind, environment, or tracking/guiding issues that affect a Azimuth readings would be set directly as the RA Limits. The Dec axis was pretty bad, but the RA was actually pretty close. While viewing an object in the eyepiece, observe the responsiveness of each I check visual with eye piece and there was no backlash visible bigger than 3 sec (AVX) or 1 sec Cem70. The CGEM weighs about 77 pounds which may provide a struggle The AVX does not run the Dec motor on its own while tracking, however note the lack of an upward guide pulse at the start of the upward run. This video is an exa Re-run the backlash test and look at the graph to see how the mount behaved. The other night was my third time and each Never look at the graph and concentrate of the roundness of the stars. DEC backlash Has always been problematic, measured While there was some backlash in the AVX’s declination axis, there was little in R. Cheers, JT the DEC is just as well built as the RA axis on the HEQ5 full bearings everywhere, AVX has sleeve bearings in its DEC axis; HEQ5 uses good sized stepper motors just like the Conversations. It can show up during the PHD2 calibration sequence. if i The avx does have a reputation for having a lot of DEC backlash (my own avx is no exception!). I haven't really adjusted PHD2 settings and am getting an average RMS of around 1. This indicates that it is not a When the backlash tests are finished, you'll see the results displayed as before, with the addition of entries for the amount of declination backlash and the measurement uncertainty (or a status Hypertuning my Celestron AVX. This question eventually surfaces on just about every mount found in the low to AVX mount dec backlash - posted in Celestron Computerized Telescopes: I am a beginner and have purchased an AVX mount and 8 newtonian for attempting some DSO astrophotography. A question about backlash clearing and mount approach settings. Hello, I finally had the guts to disassemble my avx, clean it, regrease it and replace it's bearings with new better ones. , pointing was excellent, and my results were everything I expected and more. Yaayy! Throw that alt-az NexStar SE mount aside lets get down to some equatorial business. Last night I wanted to Re: AVX Backlash Post by bobharmony » Thu Sep 05, 2019 2:30 am JayTee wrote: ↑ Wed Sep 04, 2019 8:58 pm Just remember, PHD2 specifically warns against using backlash Re: AVX Backlash Post by bobharmony » Thu Sep 05, 2019 2:30 am JayTee wrote: ↑ Wed Sep 04, 2019 8:58 pm Just remember, PHD2 specifically warns against using backlash Hi Sandy. Use the Guiding Assistant • When setting up your equipment for the first time in PHD2, always run the Guiding Assistant The best thing you can do to improve guiding on your AVX is to either guide in one direction or turn off guiding in Dec. - MASSIVE backlash Major issues guiding with PHD2/AVX - posted in Mounts: Ive been successfully guiding with my AVX and asi 120mm for several months until the past 3 sessions. I am using PHD2 to With a scope FL of <~400 or so, backlash is of little consequence on the AVX. This article was written and submitted by Patrick Stevenson. I tend to balance the setup with the imaging camera (Canon DSLR) attached the AVX is not supposed to have non-integer gearbox terms, so in theory even the gearbox terms can be PEC trained out. Here’s how to fix the issue: Start by adequately aligning (or polar aligning) the mount so it will track the stars. Mount Design: Computerized Equatorial Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. One of the settings in the hand Page 1 of 9 - Celestron AVX Rebuild - posted in Mounts: Okay folks, Im going to post this here, because I believe its applicable. I also adjusted the backlash in the drive gears on both axes. to/2qwCmChI noticed a lot of backlash in PHD guiding lately. The Titleist AVX golf ball is fractionally cheaper than the Pro V1 and to my inner snob therefore fractionally worse. Posted February 17, 2018. inte The Advanced VX often suffers from big enough backlash issues that you may even notice during casual visual observing. I only did it for Dec axis and I'm in no position to complain, I got my AVX for jellybeans because a surplus shop thought it was broken. Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. Are these used only for visual astronomy? Should they be set to "0" for astrophotography allowing the guiding I have a Celestron AVX mount and my main imaging scope is a Celestron Nexstar Evolution 6 SCT. And the good thing is that the internal DEC backlash Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. So it appears that the mount Backlash is something that happens only when changing direction, as the gears move opposite what they had been doing, and have to take up tiny amounts of slack between The AVX’s backlash on the right ascension axis is definitely better than that of previous CG-5 models, but it may still appear a little high to some users, particularly those who require high OK I did what everyone told me not to do, and got an AVX mount. Worst Feature: Quality control issues. As part DEC backlash coming and going please help - posted in Mounts: Hi, I image with an 80mm refractor on an AVX, and I recently have been suffering from harsh DEC backlash The AVX only handles the standard dovetail mounting. I was wondering if anyone had any suggestions for improving it. 3 arc seconds and if the arcsecond/pixel The backlash compensation algorithm will generally work well if the backlash is less than a few seconds and the mount doesn't have other significant mechanical problems. Manual guiding showed 30 button presses North So Brian on the PHD2 forum has been reviewing my logs and had this to say after my Backlash experiment: "here's the good news - you crushed it on improving DEC. The guiding Adjusting backlash on an AVX - posted in Mounts: Ive got a new hypertuned AVX, and I plan to tackle two projects with it--adjust the anti-backlash settings and PEC training. The iOptron mounts minimize the first of these by using Hi Patrick, Congrats, and yes, it's time to investigate PEC training and also predictive PEC in PHD2. This AVX has been strategically designed to break down into multiple I uploaded my last session's PHD2 log and apparently my DEC Backlash is out of control. Hi all, Today my AVX is going under the wrench. We demonstrate the significance of our attack by Intel® Advanced Vector Extensions (Intel® AVX) is a set of instructions for doing Single Instruction Multiple Data (SIMD) operations on Intel® architecture CPUs. So Brian on the PHD2 forum has been reviewing my logs and had this to say after my Backlash experiment: "here's the good news - you crushed it on improving DEC. 3" which is below my imaging Azm Backlash corresponds to the left/right buttons, while Alt Backlash corresponds to the up/down button. In t Since my AVX ‘Stelladrive’ tune up in 2021 I have had constant problems trying to attain acceptable DEC guiding. These approaches can be as much as 6 degrees beyond horizontal in each direction east or AVX: finish slewing UP and RIGHT? - posted in Celestron Computerized Telescopes: I have a few newb questions about this. This can happen during the calibration Kyocera AVX Components Corporation (KAVX) is sending notices of a data breach exposing personal information of 39,111 individuals following a ransomware attack. I suppose the avx will be similar-ish I have a lot of backlash on mine on both axes. I In this video, we'll show you how to setup and use the Celestron 8se telescope! This telescope is great for beginner astronomers, and we'll show you how to g I uploaded my last session's PHD2 log and apparently my DEC Backlash is out of control. Conversations. About the images you posted, my The Celestron AVX mount is the latest addition to a long line of Vixen GP mount clones. The UI • Don’t use backlash settings in the mount (aka backlash compensation / anti-backlash / TVC) • If using EQMOD EQASCOM, follow instructions here: Based on this, we present a novel AVX timing side-channel attack that can defeat address space layout randomization. Check gear and belt tension mount (CEM70) was perfect. You’ll find the CGEM 2 is much more substantial than the AVX. Continuing the discussion from SGP Imaging Run Complete (But Not): You can read about it in detail in the PHD2 help file. 1 Graphics Card with 3GB RAM (4GB strongly I uploaded my last session's PHD2 log and apparently my DEC Backlash is out of control. Cheers, JT ️ Best Feature: For astrophotography. You should The new grease also helped. With its reliable connectivity, autoguiding, and PEC option, it allows for hope it helpful I have had my AVX for a few months now and it is great. But if I had paid full price I would not think well of the performance of Hi Folks,The Celestron Advanced VX + polar axis finder is available at Amazon: https://amzn. I need to apply an AVX offset or some other compensation in the BIOS to The advantage of the AVX backlash compensation is that it is many times faster than PHD2 because PHD2 cannot command it faster than the (very slow) guide speed. I had read the blurb about it being long and low spinning, so when I set out to hit chips and putts I Come join the friendliest, most engaging and inclusive astronomy forum geared for beginners and advanced telescope users, astrophotography devotees, plus check out our AVX Declination guiding problems - recommendations? - posted in Beginning Deep Sky Imaging: Ive noticed that my Declination guiding on my Celestron AVX is very irregular. com/channel/UCrV8hjKL5sVdWeHRi8ZllOwINSTAGRMDORKYAND40PIXINSIGHT MUST HAVE SCRIPTSEZ PROCESSING SUITEhttps://darkarchon. I've adjusted the motor gears but it Page 1 of 2 - DEC backlash values obtained using PHD2 with AVX mount - posted in Mounts: Im still very new to autoguiding but getting the hang of it. In a nutshell, run the Guiding Assistant (Tools => I uploaded my last session's PHD2 log and apparently my DEC Backlash is out of control. RA backlash doesn’t matter for guiding so that is ignored. Everything works fine except for guiding. During this part of calibration, PHD2 is making an attempt to clear only declination backlash. I My avx is awesome, I've also torn it apart and replaced the ra bearing, tweaked every gear mesh probably 50 times, and still have a tad bit of Dec backlash. - you can do this even if something went wrong with the test. Members; 4,078 8,043 PHD2 Guide rate/speed pulse setting - posted in Equipment (No astrophotography): With the AVX, I experience an issue where if I send an RA slew command AVX guiding issues: Dec Backlash - posted in Celestron Computerized Telescopes: My AVX has been my workhorse mount thus far and may even go to star parties with me, but Page 1 of 2 - PHD and Celestron AVX problems - posted in Beginning Deep Sky Imaging: So I took the plunge and decided to start autoguiding. For that matter, you can use the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Hi Louise, yes - I always try and balance the scope but probably do need to check those backlash settings Maybe PEC isn't really necessary when guiding but I'm curious about AVX anti backlash adjusting - posted in Mounts: Hello everybody, i have a AVX mount and have just gotten into PHD2 guiding. DEC backlash Has always been problematic, measured Hi Patrick, Congrats, and yes, it's time to investigate PEC training and also predictive PEC in PHD2. With an expansive global footprint comprised of several Hi all, Today my AVX is going under the wrench. Hi Patrick, Sounds like you have a well performing AVX. Page 5 of 9 - Hyperish Tuning My AVX Mount - posted in Mounts: When you do configure anti-backlash on the mount for visual use, its not so much North is positive (+) while Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. Has anyone changed the default guide rates for DEC and RA? Since I have been guiding (about a year), I So Brian on the PHD2 forum has been reviewing my logs and had this to say after my Backlash experiment: "here's the good news - you crushed it on improving DEC. DEC backlash Has always been problematic, measured . We’d need to The Celestron AVX mount is an excellent and affordable choice for beginner astrophotographers. If you apply that recommendation, the backlash compensation settings will be handled for you automatically. I would appreciate any advice as to whether the issues I Yeah, would be nice to have an Astrobaby-style guide. The two work together really well. I'm seeing YouTube videos on opening the gearbox to make some adjustments. As it turns out, maybe the AVX is a good training and learning for AP equa I know this is out of your price range, but I just took delivery of an iOptron CEM 70. If not, I have to buy backlash issue with the celestron AVX, I managed to minimize it by opening and tightening the gears and adding high grade greasemore. Like you, my AVX is relegated to only visual use. After polar Avalon Instruments mounts are backlash free, what the PHD2 software calibration notice as a "backlash" it is the belts elasticity behaviour, that comes with the Belt Drive System. The AVX has been returned from Celestron Repair, the techs adjusted the clutches, loosened the DEC drag a noticeable amount and adjusted DEC and RA gear Note the "if". That's just the nature of the beast. There has been numerus copies of the Vixen design form Celestron, Meade, Orion and other It is best to wait for a minimum of one worm cycle to ensure all backlash is out of the system before doing anything further in PECTool. Well said yobbo! Let me ask this; in the summer heat things expand, correct? If that is true then a tighter fit in the summer "should" mean a looser fit in the winter? I'm also At the maximum setting of 99, it does not fully compensate for the DEC backlash, but it reduces it to about a second. That will keep the gears all meshed The TVC preset is a minimal setting of 5. DEC backlash Has always been problematic, measured Hi all, Today my AVX is going under the wrench. I hope this will help fight my backlash issues. 6 knobby. 👌 Ideal For: Visual, Astrophotography, Beginners. Video is of an Advanced VX mount that was purchased in February 2015 Whats up everyone! I've been told on the PHD2 forums that I have really bad backlash with my AVX mount. All groups and messages AVX guiding calibration issues - posted in Mounts: Hello everyone, I recently made the upgrade from a Star Adventurer to an AVX in order to upgrade my scope in the future. Seeing alone can and does give the stars of a wobble of 0. To be safe, wait at least 10 minutes at this The AVX servos have a lot of internal "slop" in the reduction gears which contributes to the enormous dec axis backlash as well as (speculation!) RA wobbles. When I tore down my AVX to re-grease it and get rid of the PHD2 and anti-backlash - posted in Beginning Deep Sky Imaging: In all my analysis of my guiding trials, it sure seems like backlash compensation would help DEC stability. I'm not especially handy, so I wouldn't attempt even the regreasing and adjustment myself. One of the bearings I've changed is the radial bearing; i NCG Review. Handling it in RA is easy: Just keep the mount balanced a bit east heavy. With autoguiding I can get down to Guiding Celestron AVX - posted in Mounts: I use software called KStars running on a Raspberry PI 4 (8G, 64bit, 4 cores). $6. I have an AVX mount. To account for GOTO approach and anti-backlash for a 180-degree If the measured amount is 3 seconds or less, the Guiding Assistant will recommend trying backlash compensation. not great, but my guiding results weren't bad either (around 1-2" in terrible los angeles skies on a AVX Dec backlash after opening up - posted in Mounts: I just opened up my AVX to regrease and to put the warms closer to get rid of backlash. I got a Meade LPI-GC a friend Another question relates to the backlash settings in the mount (AVX). PHD2 will not spin the motors faster so it will just suffer from any delay due to backlash, and AVX mounts have big backlash. Also, built in backlash compensation reduces any play that may exist between the gears for even higher accuracy. DEC backlash Has always been problematic, measured OK, I would definitely configure your mount with some backlash compensation. All groups and messages My AVX seems to have a bad case of DEC backlash. In stock DirectX 11. "Our Stage 2 service provides: The AVX has backlash from 2 sources: play in the axes, and backlash in the gear train between the motor and the worm.
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