Product Highlights
- High quality 127 mm Maksutov-Cassegrain
- Fully computerized Altazimuth mount
- StarPointer finderscope to help with alignment and accurately locating objects
- Quick-release fork arm mount, optical tube and accessory tray for quick no tool set up
- Sturdy stainless steel tripod and accessory tray included
- Good for terrestrial and celestial observing
- “TheSkyX – First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images
Computerized Mount Features
Designed to be an affordable entry level to mid-level computerized GoTo telescope, the NexStar SLT refractors, reflectors, and Maks are available in the most popular sizes and are loaded with valuable design features. With preassembled, adjustable stainless steel tripods and quick release fork arms and tubes, NexStar SLT telescopes can be set up in a matter of minutes – with no tools required! You can see details of the lunar surface, Venus and its phases, polar caps on Mars, Jupiter and its four moons, Saturn with its rings plainly visible and much more! Most NexStar SLTs can also be used as a land-based spotting telescope.
Intelligent Design
Powered by 8 AA (user supplied) batteries or an optional AC adapter (#18778), these NexStar GoTos love to travel. The internal battery compartment provides power to the high precision servo motors for rigid low-vibration performance while eliminating cord wrap issues associated with external battery packs.
With the NexStar’s ergonomically designed hand control, the user is free to remove the hand control from its holder for remote use or leave it cradled for hands-free operation. With a touch of a button, you can select the object catalog, change the slew speed, view fascinating information about an object or simply know if a desired object is visible in the sky.
Celestron’s Revolutionary SkyAlign
Using Celestron’s patented SkyAlign (patent pending), simply input the date, time and location into the hand control then slew the telescope to any three bright celestial objects in the sky. You do not need to know the names of the stars – you can even pick the Moon or bright planets!
Specifications
| Optical Design | Maksutov-Cassegrain |
|---|
| Aperture (mm) | 127 mm (5 in) |
|---|
| Focal Length (mm) | 1500 mm (59 in) |
|---|
| Focal Ratio | 12 |
|---|
| Eyepiece 1 (mm) | 25 mm (0.98 in) |
|---|
| Magnification 1 | 60 x |
|---|
| Eyepiece 2 (mm) | 9 mm (0.35 in) |
|---|
| Magnification 2 | 167 x |
|---|
| Finderscope | StarPointer |
|---|
| Star Diagonal | 1.25 |
|---|
| Mount | Motorized Altazimuth |
|---|
| Accessory Tray | No Tool, Quick release |
|---|
| Tripod | Steel |
|---|
| Weight (lbs) | 18 lbs (8.16 kg) |
|---|
| Highest Useful Magnification | 300 x |
|---|
| Lowest Useful Magnification | 18 x |
|---|
| Limiting Stellar Magnitude | 13 |
|---|
| Resolution (Rayleigh) | 1.1 arc seconds |
|---|
| Resolution (Dawes) | 0.91 arc seconds |
|---|
| Light Gathering Power (Compared to human eye) | 329 x |
|---|
| Angular Field of View (deg) | .83 ° |
|---|
| Linear Field of View (@1000 yds) | 44 ft (13 m) |
|---|
| Optical Coatings | Fully-Coated |
|---|
| Slew Speeds | Nine slew speeds: 3°/sec, 2°/sec, 1°/sec, 64x, 32x, 16x, 8x, 4x, 2x |
|---|
| Tracking Rates | Sidereal, Solar and Lunar |
|---|
| Tracking Modes | Alt-Az, EQ North and EQ South |
|---|
| Alignment Procedures | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
|---|
| Computer Hand Control | Fully Computerized / Flash Upgradeable |
|---|
| Database | 4,000 Object Database |
|---|
| GPS | Optional SkySync GPS Accessory (93969) |
|---|
| Based on Astronomy magazine’s telescope
"report cards", scopes of this size and type generally perform as follows . .
. |
| Terrestrial
Observation:
Observing terrestrial objects (nature studies,
birding, etc.) is usually possible only with refractor and catadioptric
telescopes, and convenient only when the scope is on an altazimuth mount or
photo tripod. Most reflectors cannot be used for terrestrial observing. Scopes
with apertures under 5" to 6" are generally most useful for terrestrial
observing due to atmospheric conditions (heat waves and mirage, dust, haze,
etc.) that degrade the image quality in larger scopes. | Yes |
| Lunar
Observation:
Visual observation of the Moon is possible with
any telescope. Larger aperture scopes will provide more detail than smaller
scopes, thereby getting a higher score in this category, but may require an
eyepiece filter to cut down the greater glare from the Moon's sunlit surface so
small details can be seen more easily. Lunar observing is more rewarding when
the Moon is waxing or waning as the changing sun angle casts constantly
varying shadows to reveal craters and surface features by the hundreds.
| Great |
| Planetary
Observation:
| Good |
| Binary and Star Cluster Observation:
| Good |
| Galaxy and Nebula Observation:
| Fair |
| Photography:
| Yes |
| Terrestrial
Photography:
Photographing terrestrial objects (wildlife,
scenery, etc.) is usually possible only with refractor and catadioptric
telescopes, and convenient only when the scope is on an altazimuth mount or
photo tripod. Most reflectors cannot be used for terrestrial photography. Scopes
with focal ratios of f/10 and faster and apertures under 5" to 6" are generally
the most useful for terrestrial photography due to atmospheric conditions (heat
waves and mirage, dust, haze, etc.) that degrade the image quality in larger
scopes. | Yes |
| Lunar
Photography:
Photography of the Moon is possible with
virtually any telescope, using a 35mm camera, DSLR, or CCD-based webcam
(planetary imager). While an equatorial mount with a motor drive is not strictly
essential, as the exposure times will be very short, such a mount would be
helpful to improve image sharpness, particularly with webcam-type cameras that
take a series of exposures over time and stack them together. Reflectors may
require a Barlow lens to let the camera reach focus. | Yes |
| Planetary
Photography:
| Yes |
| Star Cluster / Nebula / Galaxy Photography:
| No |
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