Search  for anything...
Celestron

Celestron - NexStar 90SLT Computerized Telescope - Compact and Portable - Maksutov-Cassegrain Optical Design - SkyAlign Technology - Computerized Hand Control - 90mm Aperture

    • Based on 3,392 reviews
Condition: New
Checking for product changes
$539.95 Why this price?

Buy Now, Pay Later

As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Jan 26
Order within 11 hours and 6 minutes
Available payment plans shown during checkout

Style: NexStar 90 SLT


Set: Telescope Only


Features

  • Computerized Star Locating Telescope: The Celestron NexStar 90SLT is a computerized telescope that offers a database of more than 40,000 stars, galaxies, nebulae, and more, the telescope locates your object with pinpoint accuracy and tracks it
  • Compact and Protale;This telescope for adults and kids to be used together is ideal for weekend camping trips or excursions to dark sky sites. Its compact form factor makes it easy to transport and assemble just about anywhere
  • Maksutov-Cassegrain Optical: The NexStar 90SLT is the smalles in the SLT family. The 90mm aperture gathers enough light to see our Solar System and beyond. View Saturns rings, Jupiters cloud bands, and the Moon in brilliant detail
  • fast Setup with SkyAlign :Celestrons proprietary SkyAlign procedure has you ready to observe in minutes. Simply center any three bright objects in the eyepiece and the NexStar SLT aligns to the night sky, ready to locate thousands of objects
  • The NexStar 90SLT Computerized Telescope includes a FREE download of one of the top consumer rated astronomy software programs for an interactive sky simulation
  • UNBEATABLE WARRANTY AND CUSTOMER SUPPORT: Buy with confidence from the worlds #1 telescope brand, based in California since 1960. Youll also receive a two-year warranty and unlimited access to technical support from our team of US-based experts.

Description

The Celestron NexStar 90SLT is a computerized telescope that offers a database of more than 40,000 stars, galaxies, nebulae, and more. The telescope locates your object with pinpoint accuracy and tracks it. At the heart of the telescope’s Maksutov-Cassegrain optical design, a 90mm primary mirror gives fully color-corrected views ideal for astronomical use. The 90SLT comes with a fully computerized NexStarPlus hand control. The computerized hand control gives you the ability to automatically slew to any of its 40,000Plus objects, including over 600 galaxies, 300 clusters, and dozens of beautiful binary stars. This telescope for adults and kids to be used together is ideal for weekend camping trips or excursions to dark sky sites. Its compact form factor makes it easy to transport and assemble just about anywhere. With its pre- assembled, adjustable steel tripod, the NexStar 90SLT can be up and ready to use in a matter of minutes. Our SkyAlign alignment technology and the included StarPointer Finderscope with a red LED make aligning a breeze. Simply center any three bright objects in the eyepiece and the NexStar SLT aligns to the night sky, ready to locate thousands of objects. The NexStar 90SLT Computerized GoTo Telescope also includes a free download of our Starry Night Special Edition astronomy software for an interactive sky simulation. This computerized telescope allows you to view the lunar surface, the rings around Saturn, the moons of Jupiter, and a number of the Messier objects, such as the globular cluster in Hercules (M13) or the Great Nebula in Orion (M42). Buy with confidence from the world’s 1 telescope brand, based in California since 1960. You’ll also receive a two-year warranty and unlimited access to technical support from our team of US-based experts.

Brand: Celestron


Model Name: NexStar 90SLT


Optical Tube Length: 21 Inches


Eye Piece Lens Description: Plossl


Objective Lens Diameter: 9E+1 Millimeters


Telescope Mount Description: Altazimuth Mount


Product Dimensions: 16"D x 32"W x 54"H


Focus Type: Manual Focus


Power Source: Battery Powered


Finderscope: Reflex


Product Dimensions: 40 x 19 x 11 inches


Item Weight: 15.18 pounds


Item model number: 22087


Batteries: 8 AA batteries required.


Is Discontinued By Manufacturer: No


Date First Available: November 1, 2003


Manufacturer: Celestron


Language: English


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jan 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • First Light on Celstron NexStar 127SLT MAK
Style: NexStar 127 SLT Set: Telescope Only
In my opinion, this is an excellent beginner/intermediate or advanced grab and go scope providing crisp images, ease of use and many desirable software capabilities. I recommend it. My training is in the physical sciences but not specializing in Astronomy or Astrophysics. I have always had interest in the stars from childhood and from having been a navigator in a destroyer during my naval service where I used them to navigate by. Several years ago when I retired I purchased two 1960s vintage equatorial mount 60mm refractors at garage sales and I have been using them while I did some research and reading to decide on the best next telescope to purchase. I decided on a Maksutov-Cassegrain due its reputation for crisp, clear images and on Celestron NexStar for its quality reputation and the features of its GoTo/tracking software program. The deciding factor was that it was on sale at a large discount. I did consider Meade and Orion scopes before deciding on this particular Mak. This year (2013) I took some of my tax refund dollars and purchased the Celestron NexStar 127 SLT Mak and also purchased some of what I consider to be essential accessories. The purchase price of the tube and mount are only part of the price for a complete capable system. Beyond the sock items provided in the initial package, you will need lenses, filters, adapters, etc to fully exploit the capabilities of the mount, software and optics. In other words, to see the most, coolest stuff. By the time I have purchased all of the essential accessories to do this, they will cost almost as much as the telescope itself. I have used the telescope every clear night for the last several weeks and I am very pleased. The NexStar program and alignment are easy to use and provide a better that ballpark result when going to an object. I did purchase the GPS unit, the Celestron accessory kit with additional lenses and filters, the house current and car battery power adapter chords, the USB interface cord, and the light pollution and oxygen filters. I live in the Phoenix suburb of Glendale so light pollution is a factor. The filters help. So far everything works beautifully. My only two complaints are not vital but more nuisance -that the GPS can take some time to synch -- be patient, I was not and had some self inflicted difficulties the first time I used the Mak. -the tripod can be a little wobbly. I will eventually get a heavier tripod, the GPS is what it is. I will try adding some five or ten pound weights to the tripod to see if that stabilizes it sufficiently. I am not done with accessories. Next on my list is a hard case for the tube and a canvass bag for the tripod and accessories so I can safely carry the system to the dark sky sites and star parties. I do want to try some web cam photography of solar system objects so a webcam purchase is in the future. Further down the road, I will get a digital camera adapter, a collimation lens and some higher quality viewing lenses and perhaps a dielectric diagonal. Though I want to eventually get a large GoTo Dobsonian and I always lust after a nice, large Apochromatic telescope with a solid EQ mount for astrophotography,for now I am very happy with my NexStar 127 SLT Mak. I will update as I do new things with the Mak or as I learn new things that may be of interest to buyers. May your skies be clear and dark. Iñigo de Oña Nome de plume ... show more
Reviewed in the United States on May 21, 2013 by Iñigo de Oña
    • Great scope once you get the setup down
Style: Nexstar 130SLT Set: Telescope Only
Review Image by Robert Johnson Robert Johnson
Review Image by Robert Johnson Robert Johnson
Review Image by Robert Johnson Robert Johnson
Review Image by Robert Johnson Robert Johnson
My wife bought this scope for me for Christmas. I had no experience with astronomy prior to that. It's a little finicky to set up but once you do it correctly, it'll work well. The image may not be exactly in the center but it should be close. The eyepieces that come with it are just okay. They're a step below kelner eyepieces (which is below Plossls). For eyepieces, use a low power eyepiece (25mm) to scan for objects. With eyepieces, the lower the number the higher the magnification. If you buy eyepieces, stick to good quality eyepieces in the 5mm to 35mm range. More magnification (<5mm) doesn't really help as the scope is limited by the atmosphere. Lower magnification eyepiece (>35mm) will result in an exit pupil that is too large (makes it difficult to see without a moving black blob appearing in the eyepiece). Celestron X-Cel eyepieces would work well for this scope and aren't too expensive. I like the Baader Hyperion as well. It gives a wide angle view and a large eyeglass with good eye relief to look through (great for eyeglass wearers). A x2 Barlow lens is a good option to pick up as well. Combined with your eyepieces, it doubles your available magnifications (9mm becomes a 4.5mm, 25mm becomes a 12.5mm). I have the Orion shorty x2 barlow. Don't bother with the eyepiece kits. The optics are too close together in strength so you'll probably only use 3 of the 5. The color filters are pretty useless except for a moon filter. All you really need are 3 eyepieces a low power (no greater than 35mm), a medium power (14-18mm) and a high power (no less than 5mm). You'll need a collimator. With Newtonians, you'll need to align the mirrors. It's best if you check it each night before you use it. Moving the telescope can knock it out of wack. A collimator helps you line everything back up. I have the Orion laser collimator. Here are some setup tips for setting up the scope for Goto use: 1. If you picked a city instead of entering a latitude longitude, and you don't actually live in the middle of the city (you just picked the closest one), do a factory reset of the computer and choose latitude-longitude instead. It's much more accurate. You can find the latitude longitude with a smart-phone app (e.g. Compass for Android) or by googling your address. You'll need the lat long in degrees, minutes, seconds (not the digital version like -117.0101). It should look like W 117 15' 12' Sometimes a city selection is too broad. I am about 20-30 miles outside the city I chose and it makes a big difference when the scope is skewing. 2. Make sure you're using the correct time/date settings including daylight savings time vs standard time. Use your cellphone time. 3. Instead of using 3-star align, use Auto-Two-Star align. It'll require you to know the names of the stars but it's much better. I use Google Skymap to find one of the stars in the list if I don't know the name or the ones I do know are obscured. If you use the 3-star align, chose bright stars that are on opposite sides of the sky and not in a line (a triangle pattern is preferred). For example, if you just used the stars in Orion, that's probably too small of an area of the sky. Choose one star in Orion (e.g. Betelgeuse), one in Gemini (e.g. Castor) and one in Cassiopeia. 4. When centering a star during alignment, defocus the star so it looks like a ball rather than a point of light. It'll be much easier to get in in the center. 5. When centering on the final star try to move the scope in the same direction as it was moving when it skewed to the star you chose. So for example, if it was moving down and to the left when it stopped, position the scope so that when you get it in the center of the view that you are moving it down and to the left when you stop. UPDATE 5/19/2016: I recently purchased a ZWO ASI185MC camera that I'm using with the 130SLT. The camera will easily come to focus when used in the 2" adapter. It will come to focus in the 1.25" adapter as well but it's a little closer to max in-focus. I'm getting pretty good images with it doing short exposure (<15seconds) and stacking. You'll want to use a Bahtinov Mask to focus. I purchased an Orion Accufocus which greatly helps with focusing the image without everything shaking. Check my reviews for the correct items. I also have it working with a computer (computer drives the scope). You need to install ASCOM drivers (6.2) and ASCOM drivers for the Celestron product line. Just search for "ASCOM drivers" on google. It's not necessary but it's nice for an all-in-one software package (Astrolive USB). I added some pictures I took of M51, M57, Jupiter and the moon. These were taken from my front yard about 5 miles from the city. The deep space objects won't appear that clear when viewing through the eyepiece (cameras pick up more light than our night vision does). Update 6/28/2016: One thing to really improve your goto results is to use "Precise Goto". It's undocumented in the manual. It's accessed differently than a regular goto. Press the "Menu" button. Then use the up/down arrows (6 &9 key) to find "Precise Goto". Then select "Database". Finally, choose from the object list type using the up/down arrows (e.g. Messier, NGC, Named Objects). So for instance, if I choose "Messier" and then enter the number for the Messier Object (1-110). It will calculate and give you a list of 5 bright stars with #1 being closest to the object. Select 1. The scope will slew to where it thinks it is. Center the bright star with the red dot finder and look through your eyepiece to see if it's centered there as well. Once it's centered in the eyepiece, hit <Enter>. The scope will slew to the object and there's a good chance it will be centered in your eyepiece. I use this feature with my camera and it almost always gets it close to the field of view. You should easily find the object in the field of view of a 25mm eyepiece (though it may be faint and fuzzy). ... show more
Reviewed in the United States on February 12, 2015 by Robert Johnson Robert Johnson

Can't find a product?

Find it on Amazon first, then paste the link below.