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Celestron Advanced VX 8 Inch Newtonian Telescope

Item# CELE588
 
4.0

(1 Rating)

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$1,099.00

List Price: $1797.95
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  • All new Advanced VX Mount
  • 8" f/5 reflector telescope
  • Features All-Star Polar Alignment for fast polar alignment
  • Flash upgradeable NexStar Hand Controller
  • High performance features in a travel friendly size
Details & Dimensions
Guarantee & Returns

Description

Large aperture at an affordable price, our Advanced VX 8” Newtonian provides 78% more light-gathering abilities compared to the 6” model.  The parabolic primary mirror minimizes spherical aberration to produce a sharper image near the edge of the field of view. This scope is great for intermediate visual observers and beginning astroimagers looking for a large aperture with lots of light-gathering power. As you grow in your hobby, you can continue to enjoy all the high-level features of the Advanced VX.

 

About the Mount

 

The new Advanced VX mount was specifically designed to provide optimum imaging performance for smaller telescopes. Now your smaller telescope can take advantage of All-Star Polar Alignment and autoguider support. You’ll be able to track through long exposures using permanently programmable periodic error correction. Image across the meridian without doing a meridian flip, so you can seamlessly image the best part of night sky. Advanced VX features significantly larger base castings than our previous design, improving stability under heavier loads. Improved motors offer more torque and can handle slight load imbalances with ease.

 

  • 8” (200mm) f/5 optical design gives excellent wide field views
  • Parabolic primary mirror minimizes spherical aberration to produce a better image
  • Integer gear ratios and permanently programmable Periodic Error Correction eliminates recurring track errors from the worm gear.
  • New motors offer improved tracking performance & provide more power to overcome load imbalances
  • Updated industrial design offers more rigidity, less flexure and improved aesthetics
  • New design allows viewing or imaging across the meridian without interference from the motors housings
  • Improved latitude range.  Can be used between 7 – 77 degrees latitude.
  • Improved electronics contain increased memory for future expansion
  • NexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish)

 

 

About Celestron Reflector Telescopes


A Newtonian reflector uses a single concave mirror as its primary. Light enters the tube traveling to the mirror at the back end. Light is then "bent" forward in the tube to a single point, its focal plane. A flat mirror called a "diagonal" intercepts the light and points it out the side of the tube at right angles to the tube through the eyepiece. The eyepiece is placed there for easy viewing. Newtonian Reflector telescopes replace heavy lenses with mirrors to collect and focus the light, providing much more light gathering power for the money.


You can have focal lengths up to 1000 mm and still enjoy a telescope that is relatively compact and portable. Newtonian Reflector telescopes do require more care and maintenance because the primary mirror is exposed to air and dust. However, this small drawback does not hamper this type of telescope's popularity with those who want an economical telescope that can still resolve faint, distant objects. Newtonian reflectors produce a "right-side-up image" but the image will appear rotated based on the location of the eyepiece holder in relation to the ground. Newtonian reflectors are best for astronomical use where right-side-up does not matter.

 

Newtonian Advantages

 

  • Lowest cost per inch of aperture compared to Refractors and Catadioptrics since mirrors can be produced at less cost than lenses in medium to large apertures
  • Reasonably compact and portable up to focal lengths of 1000 mm
  • Excellent for faint deep sky objects such as remote galaxies, nebulae and star clusters due to the generally fast focal ratios (f/4 to f/8)
  • Adequate for lunar and planetary work
  • Good for deep sky astrophotography (but not as convenient and more difficult to use than Catadioptrics)
  • Free of color aberration due to the use of a primary mirror


Newtonian Disadvantages

 

  • Generally not suited for terrestrial applications
  • Slight light loss due to secondary (diagonal) obstruction when compared with Refractors

 

 

 

Celestron All-Star Polar Alignment Technology


All-Star Polar Alignment Technology
German Equatorial Mounts (GEM) have long since been recognized as the mount of choice for astrophotography. Needing to track in only one axis for long exposures; adjustable counterweights and tube position for perfect balance, the GEM has few short comings when it comes to imaging. In order to do long-exposure astro-imaging, an equatorially aligned telescope is needed to allow your telescope to properly track the motion of the sky. However accurate tracking still depends on an accurate polar alignment. Even with a visible star very near the North Celestial Pole (NCP), the true celestial pole can be a very elusive place to find without assistance.

 

Now select Celestron mounts can utilize a new innovative Polar alignment procedure called All-Star™. All-Star allows users to choose any bright star, while the software calculates and assists with polar alignment.

 

Here's how it works.

Once your telescope is aligned with two bright star, All-Star allows you to choose any bright star listed in the NexStar hand control to assist in accurately aligning your telescope's mount with the North Celestial Pole. Using the telescope's Sync function, the mount is able to point and center a bright star with a high degree of accuracy. Once centered, the mount will point the telescope to the exact position that the star should be if the mount were precisely polar aligned. By simply adjusting the mounts altitude and azimuth controls to re-center the star in the center of the eyepiece, you are actually moving the mounts polar axis to the exact position of the North Celestial Pole.

 

FAQ

 

Can I use Polaris to polar align my telescope?
Since Polaris is very close to the NCP and not very bright, it is actually not a recommended star for the "All-Star" method. The advantages of being able to use stars other than Polaris are two fold:

Polaris is not always visible. So not only can you use a variety of other stars but they are also brighter and more prominent.
The star you choose will be farther away from the NCP thus allowing for greater accuracy when centering the star in your eyepiece.

 

Which stars are best to use for polar aligning?
For best results choose a bright alignment star that is near the Meridian, preferably close to the celestial equator. Try to avoid stars that are close to the west/east horizon or directly overhead because they can be more difficult to center using the mount's altitude and azimuth controls. Also stars too near the celestial pole are less accurate than those further away.

 

Will I lose my alignment after I polar align?
No, the mount will retain its alignment but some amount of accuracy may be compromised depending on how much the mount has been moved during polar alignment. Although the telscopes tracking may be very good, pointing accuracy may need to be improved, especially if you are trying to located small objects on a ccd chip.

 

What are the steps to polar align my telescope using "All-Star" polar alignment?

 

  • Align the telescope with the sky using the "Two-Star Alignment" method.
  • Select a suitable bright star from the Hand Control's database and slew the telescope to the star.
  • Press the Align button and select Polar Align => Align Mount from the list.
  • The telescope will then re-slew to the alignment star and ask you to center it in the eyepiece in order to "Sync" on the star.
  • The telescope will slew to the position that the star should be if it were accurately polar aligned.
  • Use the mounts altitude and azimuth adjustments to place the star in the center of the eyepiece and press the Align button.
  • Update the telescope's star alignment if necessary.

Supplier Sku:
32062
Shipping Restrictions:
Only ships in contiguous USA.

Dimensions & Specifications

Weight

71 lbs.

Recommended Usage

Astrophotography , Viewing Galaxies/Star Clusters , Viewing Nebulae , Viewing the Moon , Viewing the Planets

Warranty

2-Year

Features

Equatorial Mount , GoTo

Brand

Celestron

Finderscope

9x50

GPS

No

GoTo

Yes

Good for Astrophotography

Yes

Telescopes Series

Celestron Advanced VX Telescopes

Optical Design

Reflector

Aperture

200mm

Focal Length

1000mm

Focal Ratio

f/5.0

Mount Design

Equatorial Mount

Eyepiece 1

20mm (50x)

Highest Useful Magnification

472x

User Level

For the Enthusiast

Object Database

40000

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Customer Reviews

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by PowerReviews
Celestron Advanced VX 8 Inch Newtonian Telescope
 
4.0

(based on 1 review)

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Reviewed by 1 customer

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(3 of 3 customers found this review helpful)

 
4.0

Good scope, great mount, some issues...

By Jimmy

from JACKSONVILLE,FL

About Me Casual/ Recreational

Verified Buyer

Pros

  • Accurate
  • Strong Construction

Cons

  • Heavy

Best Uses

  • Astronomy

Comments about Celestron Advanced VX 8 Inch Newtonian Telescope:

Over all the scope is great buy for the price.

Pros: Large aperture for light gathering. The primary mirror has a center spot already placed. All metal tube with good finish. Unit comes with two 11 pound weights.The focuser is acceptable and works fine with little vibration after adjustment. The AVX mount is rock solid and well built, moves the scope with no problems!

Cons: None with the mount... The scope however does have some issues but can be addressed to turn a mediocre scope into a great scope. Ok here we go: The collimation set screws are hidden behind a plate that is held in place with three screws. The collimation screws them selves are totally wrong... The screws that actually collimate the primary are beveled recess Phillips heads screws. The locking screws are hex head and small fine thread about a 3/8 inch in length. The cover plate actually covers these over (the set screws) so no access to them without removing the plate. I plan on after the warranty is expired drilling holes in this cover plate for set screw access and replacing the hex set screws and the collimation screws with proper screws/knobs! Basically your buying a great mount for 800 and a tube with a primary 8 inch mirror that needs some modifications/improvements... I plan on changing out the focuser, replacing the collimation screws, modifying the cover plate on the back for access to the set screws.

First light with scope: Used my own EP's (5mm X-Cel LX) did not use 20mm that came with scope. The evening had a half moon, some clouds. Chose Jupiter as the target. Could clearly see the 2 equatorial bands and when it cleared to those momentary great seeing portions could see some swirling within the 2 center equatorial bands. Over all could see 6 to 8 of the bands. I made out the great red spot (more like ruddy brown.) Also saw that evening a moon transit Jupiter, the shadow was very clearly defined within the scope.

  • Was this a gift?:
  • No

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