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Celestron Advanced VX Computerized Mount
Purchase options and add-ons
Brand | Celestron International |
Model Name | 91519 |
Optical Tube Length | 11 Millimeters |
Eye Piece Lens Description | Nagler |
Telescope Mount Description | Equatorial Mount |
Product Dimensions | 39.02"D x 25.98"W x 12.01"H |
Focus Type | Manual Focus |
Finderscope | Reflex |
Item Weight | 50 Pounds |
About this item
- Advanced VX Equatorial Head - Tripod - Accessory Tray - 1 x 12 lbs counterweight - NexStar+ Hand Control - DC Power Cable (plugs into cigarette lighter socket) - Original Box
- The most compact and portable of Celestron's German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an improved industrial design
- Holds a maximum instrument capacity of 30 lbs
- Every feature an astroimager wants: PEC, an autoguider port, the ability to image across the meridian, and more
- NEW dual saddle plate is compatible with the narrow dovetail and larger CGE dovetail
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Product information
Product Dimensions | 39.02 x 25.98 x 12.01 inches |
---|---|
Item Weight | 50 pounds |
ASIN | B00AYGIQDS |
Item model number | 91519 |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #287 in Telescope Accessories |
Is Discontinued By Manufacturer | No |
Date First Available | January 22, 2013 |
Manufacturer | Celestron International |
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Product Description
The Advanced VX  (AVX)sets a standard in mid-level telescopes, providing many of the features found on Celestronâs most sophisticated German equatorial mounts at an extremely affordable price. The Advanced VX mount is designed to provide superior performance for smaller telescopes while taking advantage of Celestronâs most advanced technologies: All-Star Polar Alignment, Celestron PWI telescope control software, SkyAlign, and permanently programmable periodic error correction (PPEC). If youâre an experienced imager, youâll love taking this portable mount to a dark sky site and enjoying all the conveniences of a larger observatory mount. Or, if youâre new to imaging, Advanced VX will help you get started with the hobby and keep up with your needs for years to come. Computerized German equatorial mount The Advanced VX is the smallest of Celestronâs German equatorial mounts. The computerized GoTo capability automatically tracks objects as they move across the night sky. The Advanced VX mount includes ports for a hand control, an autoguider, and 2 AUX ports for optional accessories. The NexStar+ hand control gives you instant access to all the functions your mount has to offer. With automatic slewing and menu descriptions, any level of astronomer can master this mount in just a few observing sessions. The Advanced VX also has an impressive tripod for its class with a 2â diameter steel tripod legs providing an extra-wide stance for improved stability. Payload capacity The payload capacity for the Advanced VX is 30 lb. It offers a sturdy platform for any of the Advanced VX optical tubes, even when paired with optional accessories like , StarSense AutoAlign , a Focus Motor , and a finderscope . Celestron's payload capacity does not include the weight of the counterweights. camera Dual saddle plateAs of early 2019, Advanced VX mounts include a dual saddle plate that accommodates both CG-5 and CGE-style dovetail. Switching between the two saddle plates is as simple as moving the hand knobs into a separate set of holes. You can use an Advanced VX mount with virtually any optical tube within its weight limit. Compatible with Vixen format dovetails 100mm or longer, not compatible with Losmandy D format plates (regardless of plate manufacturer).  Software Celestron PWI Telescope Control Software Your Ultimate Astronomy Software Suite All current Celestron computerized telescopes include Celestron PWI (CPWI), the most advanced astronomy software suite provided with any consumer-grade telescope. Celestronâs experts co-developed CPWI with the engineers at PlaneWave Instruments. The result is an all-in-one solution offering you many of the same features used on PlaneWaveâs observatory-class telescopes. Graphical planetarium interface with PointXP advanced mount modelling allows you to add 100+ points to your alignment model for the most accurate pointing and tracking possible Ideal for remote observatory setups: save and re-load your alignment and park your scope Provides a complete ASCOM telescope interface to allow control of the telescope from third party software applications For more information on CPWI and to see the user interface, click here. Starry Night SoftwareIncluded with your purchase is a free download of Celestronâs Starry Night Special Edition Software. This advanced software by Simulation Curriculum offers detailed information about celestial objects and helps you plan your next observing or imaging session. The Special Edition software also allows you to control your telescope via computer.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the ease of setup, sturdiness, performance, size and value of the telescope. For example, they mention it's easy to set up and align, works perfectly with all other equipment and is great value for money. Customers are also happy with accuracy, and weight.
AI-generated from the text of customer reviews
Customers find the telescope easy to set up and align. They say the two-star alignment wasn't difficult if you know your stars or have a star map handy. They also say the calibration process is very easy, and the mount is user friendly. Customers also say that the mount can be set up for shooting from start to finish.
"...It works great and the calibration process is very easy...." Read more
"...The mount itself is much more user friendly...." Read more
"...I tested it out with a 102mm refractor f/7. Instructions are fairly straightforward and set up time was about an hour...." Read more
"...Two-star alignment wasn't difficult if you know your stars or have a star map handy...." Read more
Customers like the sturdiness of the telescope. They say it's a good solid mount, and exhibits great quality. They also say it is stable, forgiving, and impressive with the construction. Customers also mention that it breaks apart for easier transport.
"...The mount has the same sturdy legs, stainless steel 2" diamter legs; from the ground up to the mount not much is pretty much unchanged, I think..." Read more
"...I can say I’ve seen such nonsense otherwise… it seems fairly well built mechanically though…" Read more
"...An 8" SCT or similar might be pushing it. The mount itself is solid construction and in summary an excellent choice for entry level light weight..." Read more
"...software is OK, at first it seemed pretty amazing until I kept having crashing issues...." Read more
Customers like the performance of the telescope. They mention that it works well, it works perfectly with their EdgeHD800, and it works right out of the box. Some say that it comes with great support from Celestron if needed. Overall, customers are satisfied with the performance and functionality of the product.
"This is my first GEM, transitioning from an alt-az mount. It works great and the calibration process is very easy...." Read more
"...with the price compared to other sellers but it came fast and no problems at all...." Read more
"...Light enough to carry in and out of garage. Works with all other equipment flawlessly. Great support from Celestron if needed...." Read more
"My excitement was crushed when I got it together and and the DEC motor wasn’t functioning… Having to return something like this will be a very..." Read more
Customers are satisfied with the size of the telescope mount. They mention that it is a great mount for general astronomy, holds their scope pretty well, and has room to grow.
"...I was impressed when I put it up - rock solid, big... Then I attached my DieHard 750 battery potentially voiding the warranty but oh well it's what..." Read more
"...Second one came in perfect. Everything works. Holds my scope pretty well and has room to grow...." Read more
"...In this regard the mount is flawless. It is a sturdily built mount, heavy, but still portable...but you will break a sweat...." Read more
"...of those things that you get way lot for your money ,this is an awesome mount , works flawlessly and is sturdy , i have a Celestron NexStar..." Read more
Customers appreciate the value of the telescope. They say it is a great performance for the price.
"I think overall this is very good value...." Read more
"...I have not tried it yet but this looks like a great mount for a fabulous price so I can put up with some trouble, five stars...." Read more
"...it is so much better in every way over the Alt Az mount that the price is justified...." Read more
"...Great product at a great price." Read more
Customers are satisfied with the accuracy of the telescope. They mention that it tracks very accurately, is impressed with the goto accuracy over large swathes of sky, and tracks well enough for the planets. The calibration went flawlessly and autoguiding kicked in at completion. The tracking was excellent at least visually, and it tracks steadily without any problems.
"...Calibration went flawlessly and autoguiding kicked in at completion. At this point, the effect of the wind on the seeing and OTA became obvious...." Read more
"...Tracking was excellent at least visually...." Read more
"...Honestly, with the weight I'm putting on the mount it tracks steadily without any problems...." Read more
"This mount is hyper accurate despite what some say . I was a machinist for 20 years the better you align the better it will work. Period...." Read more
Customers like the weight of the telescope. They mention it's light enough to carry in and out of the garage, not too bulky, and easy to use. The equatorial mount is sturdily built, heavy, but still portable. It's an excellent choice for entry-level light weight imaging and visual go-to. The construction and portability make it easy to set up and align.
"...itself is solid construction and in summary an excellent choice for entry level light weight imaging and visual go to." Read more
"...Period. It’s great though easy to use easy to setup. Light enough to carry in and out of garage. Works with all other equipment flawlessly...." Read more
"...In this regard the mount is flawless. It is a sturdily built mount, heavy, but still portable...but you will break a sweat...." Read more
"...If you need an equatorial mount that is not too bulky, easy to use. Don't look elsewhere...." Read more
Customers find the noise level of the telescope mount to be quieter than the older mount.
"...I find this mount to be quieter than the older mount, as well...." Read more
"...The mount is relatively quiet and breaks apart for easier transport...." Read more
"...own the CGEM-DX for use with my 11" OTA, but the AVX is lighter, quieter, and SO much easier to align than its bigger brother...." Read more
"This is a great GoTo mount. Hefty and not that loud. Very happy with the purchase." Read more
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UPDATE 2/10/17: I have added the QHY Polemaster, and am getting good 90 sec sub frames. If you look at my mount image, you can see I have combined my 80mm ED triplet along with a red dot finder and the Orion SSAG on an aluminum mounting plate. Love this package.
I was initially a bit concerned the box said "2 of 2" and contacted Bob at SkiesUnlimited to make sure there really wasn't a missing "1 of 2", but he assured me box 2 included just the mount and everything mount-related.
I unpacked it all and examined each component. The hand controller was roughly-packaged and looked, well, "used". The display was scuffed and it had a crack in it. I contacted Bob again to see what my options were and he suggested first trying to see if Celestron would ship me a free replacement under warranty. Sounded reasonable enough, but Celestron informed me it was the dealer's issue to resolve. At this point, SKiesUnlimited happily shipped me a new hand controller.
in the meantime, I assembled everything, adding my William Optics GT81 to the saddle. Preliminary, indoor tests showed the mount booting properly, then moving to approximately the right areas of the sky for alignment stars. Now to wait for usable skies!
The day after the replacement hand controller arrived, the skies were clear. It was a little on the windy side, but the total weight of the mount assured me it shouldn't be easily blown-over on my back patio.
I carried everything out (tripod with equatorial head, OTA, counterweight) and completed final assembly under the stars. This also meant I could point the mount roughly north, too.
With the equatorial head adjusted for latitude and the RA & Dec alignment marks registered properly, the OTA was indeed pointing at roughly the celestial pole. I then moved the mount itself just a little until Polaris appeared offset by the right amount and approximate direction from the true pole in the ample FOV. The mount's fine-adjustment in azimuth was a cinch for fine-tuning.
Then it was time for the 2-star alignment. It picked Vega and Altair andI centered each in turn, not really requiring much of a tweak for Vega and even less for Altair.
Time to test the basic goto functionality. M57 was my first target - put it right in the field of view, not far from the middle. I swapped out the eyepiece for my ZWO ASI174MM camera and refocused. M57 was still on the chip, so I centered it more finely. I tried a couple more goto targets - M27 - right on the chip. NGC7331 - right on the chip. M15 - right on the chip. I was quite honestly very impressed with the goto accuracy over such large swathes of sky and with minimal setup.
Content with rough gotos, I proceeded to see how responsive the mount was to autoguiding.
I plugged in the autoguider cable between my cam (the ASI174MM) and the AVX mount. This, unfortunately, caused the mount to "reboot", losing the alignment information. Grrrrr.
So I quickly repeated the alignment (Vega and Altair, again), then fired up PHD2.
I moved a couple degrees away from Altair and started the PHD2 calibration on a sixth or seventh magnitude star. Calibration went flawlessly and autoguiding kicked in at completion. At this point, the effect of the wind on the seeing and OTA became obvious. Autoguiding was "chasing the seeing" and quite honestly, it was probably the kind of evening where attempting to autoguide does more harm than good.
So I turned off autoguiding and once more used the goto functionality to bring M57 onto the chip. And there it was, just a tiny smoke-ring in the middle of the field, surrounded by dozens of pinprick stars. Exposures of 5, 10 and 15 seconds all resulted in pin-point stars. The sky conditions (too bright) weren't allowing for much longer than that. I ended up taking 60 exposures of 5 seconds and stacking them, discarding only 3 (1 due to a satellite and 2 due to heavy wind gusts).
Back to NGC7331 for a similar experience. This time, I was pointed almost at the zenith and the OTA was much more exposed to the wind. But still, only a very small number of frames were unusable due to smearing or trailing of stars.
As the wind increased, my final test for the evening was M33, which totally filled the chip. The goto was on the mark and I elected to try some 15-second exposures on this target. I checked the focus and framing, set FireCapture to start capturing and walked away for a few minutes. When I returned, I had 68 15-second frames, maybe 60 of which were as sharp as I could have hoped-for.
When a couple really significant wind gusts DID visibly rock the scope, I decided to call it a night.
I look forward to much more imaging with this mount, ideally with a more sensitive sensor (my Atik One CCD is my next candidate).