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Telescopes > Celestron > StarSense Explorer > Celestron Dobson telescope N 254/1200 StarSense Explorer DOB
Product no.: 75391

Dobson telescope N 254/1200 StarSense Explorer DOB

$ 1,580.00 incl. VAT, plus shipping costs
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  • Portable for mobile use

Product description

More about the series StarSense Explorer...

The StarSense Explorer telescope uses your smartphone to analyze the night sky and calculate its position in real time. StarSense Explorer is ideal for beginners thanks to the app’s user-friendly interface and detailed tutorials. It’s like having your own personal tour guide of the night sky.

Leave complicated star charts, imprecise planetarium apps, and computerized mounts behind. With StarSense Explorer, locating objects has never been easier, faster, or more accurate. Within minutes of setting up the telescope, you’ll be navigating the sky with confidence. Simply place your phone in the unique StarSense dock and launch the StarSense Explorer app. After aligning your phone to the telescope’s optics (a quick, 2-minute procedure), StarSense Explorer generates a list of celestial objects currently visible. Make your selection and arrows appear onscreen, guiding you as you to move the telescope. When the object is ready to view, the bullseye turns green.

StarSense Explorer uses patent-pending technology and your smartphone to determine exactly where the telescope is pointed in the night sky. A Lost in Space Algorithm (LISA), like the ones satellites use in orbit to correctly reorient themselves, helps the app match star patterns it detects overhead to its internal database.

Even if you live in a light polluted city location, StarSense Explorer is advanced enough to be able to pick out Jupiter, Saturn, Venus, the Orion Nebula, double stars, and a few more of the most famous celestial objects.

The minimum SmartPhone requirements and a list of already tested models is available here: https://starsenseexplorer.simcur.com/

N 254/1200 telescope - this Newtonian telescope has a large aperture for detailed deep sky observing, collecting almost three times as much light as a 114mm telescope. While only the cores of many galaxies can be seen in smaller telescopes, this telescope will also show spiral structure. Fascinating globular clusters can also be observed through this giant, some filling the entire field of view with numerous individually resolved stars.

Nothing stands in the way of your lifelong enjoyment of the night sky with a telescope of this size.

This aperture represents the practicable upper limit for portable enclosed OTA Newtonians. Larger aperture instruments are only easy transportable if of truss-tube design. However, an enclosed OTA has certain advantages - it holds collimation better, the optics are better protected, there is no stray light problem and, of course, they are quicker to set up.

The Dobsonian advantage - simple and rapid assembly
What is the advantage of this design? A Dobsonian telescope consists of only two parts, which you can put together in no time. It is also much less expensive than a comparable sized telescope on an equatorial mount. Its main use is for enjoying visual observing. Discover the night sky - it is unbelievable what you can see using your own eyes.

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each telescope.

Specifications

Optics


Type
Reflector
Type of build
Newton
Aperture (mm)
254
Focal length (mm)
1200
Aperture ratio (f/)
4,7
Resolving capacity
0,54
Limit value (mag)
13,8
Light gathering capacity
1320
Max. useful magnification
508
Tube weight (kg)
13,2
tube diameter (mm)
292
Tube length (mm)
1118
Tube material
Steel
Coating
Starbright XLT
Tube construction
Full tube

Reflector


Main mirror´s construction
parabolic
secondary mirror design
Plan
Secondary mirror diameter (mm)
64
Secondary mirror obstruction
25
Ventilation for central mirror
no
Adjustable
yes
protective layer
Quartz
aluminising
Aluminium

Focuser


Type of build
Crayford
Connection ( to eyepiece)
2
Ring clamp
yes

Mount


Type of build
Dobson
Mounting type
Dobson
Motors
no
Weight (kg)
11,6
GoTo control
PushTo

GoTo control


GPS
yes
WIFI
no
Alignment method
StarSense Explorer

Tripod


Type
Rockerbox
Accessory plate
yes
Material
Aluminium

Included accessories


1.25'' eyepieces
25mm
Finder scope
Red dot finder
Carrying handle
yes
Eyepiece adaptor
1,25" - 2"
Collimation aid
Collimation cap

General


Series
StarSense Explorer
Total weight (kg)
24,9

Area of application


Astrophotography
no
Moon & Planets
yes
Nature Observation
no
Nebulae & galaxies
yes
Sun
no (Only with appropriate Sun filter)

Recommended for


Beginners
yes
Advanced
no
Observatories
no

Recommended accessories

Telescope accessories > Transport & storage (5)

Omegon aluminium case, large

$ 89.00*
Telescope accessories > Other (9)
fan

Celestron Three-Fan Cooling System for Convex-Back Dobsonians

$ 21.90*
Eyepieces (4)
Eyepiece

Omegon LE Series Eyepiece, 12.5mm, 1.25''

$ 149.00*
Eyepieces (4)
Eyepiece

Omegon Ultra Wide Angle eyepiece 9mm 1,25"

$ 69.00*
Eyepieces (5)

Omegon Eyepiece case (not only) for Dobsonian telescopes

$ 349.00*
Eyepieces > Other (5)
Reticle eyepieces

Omegon Reticle eyepieces Illuminated crosshair eyepiece, 12.5mm

$ 89.00*
Filters > Moon filters & Polarizing filters (4)
Filters

Omegon Filters Variable grey filter 1.25"

$ 34.90*
Filters > Nebulae filters (8)
Filters

Omegon Filters Nebula/ city light filter 1.25 ''

$ 39.90*
Filters > Other (2)
Filters

Omegon Filters Color filter set 1,25'' (6 pieces)

$ 69.00*
Astrophotography > Camera mounts (4)

Omegon Easypic Universal Smartphone Adapter

$ 129.00*
Astrophotography > Other (1)
Adaptors

Baader Adaptors Plug-in connection 2 " A/T-2a for putting into all 2 " Okularauszüge

$ 43.90*
Mountings & accessories > Equatorial wedges (4)
Polar wedge

Omegon Polar wedge EQ-Platform 40°

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Observatories (1)

Omegon Tent observatory

$ 189.00*
Media (2)

John Wiley & Sons Astronomy For Dummies

$ 24.90*
Outdoor > Lamps (3)
Astronomy torch

Explore Scientific Astronomy torch Astro R-Lite

$ 14.90*
Globes & Maps (1)
Continental map

Oculum Verlag Sky Quality Map Europe

$ 18.90*
Maintenance & Cleaning > Lens cleaners (3)

Omegon 7-in-1 lens cleaning set

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Maintenance & Cleaning > Other (2)

Omegon microfibre cleaning cloth 20cm x 20cm

$ 4.90*

*All prices include VAT plus shipping costs.

Celestron Dobson telescope N 254/1200 StarSense Explorer DOB
StarSense Explorer
Celestron Dobson telescope N 254/1200 StarSense Explorer DOB
Carrying handle
Celestron Dobson telescope N 254/1200 StarSense Explorer DOB
Included accessories

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