Sky-Watcher Star Discovery 150 Newtonian telescope Newtonians opinie


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Sky-Watcher Star Discovery 150 Newtonian telescope
 
 
Availability: In stock, can be sent within 24 hours

 

 
€470

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Astronomical observations have never been so easy and accessible to everyone as now, thanks to the new Sky-Watcher Star Discovery telescope line! Star Discovery telescopes are intended for beginners who are lost in a variety of telescope models looking for their dream equipment:
• lighter than others
• the fastest one to submit
• the simplest to use
• more modern than others
• reliable first astronomical observations in science

Such are the Star Discovery telescopes. Their stable, azimuthal mounting on a steel, sliding stand is concealed by the modern GO-TO SynScan system. Using the remote control included in the kit, it allows tracking and tracking of more than 42,000 objects in the sky! What's more, the dual axle encoder system allows the telescope to be moved manually without losing the telescope's orientation to the stars.

The mounting head has a basket for 8 batteries / rechargeable batteries, thanks to which the telescope can operate wirelessly. This opens up great opportunities for observation away from buildings, for example during a car trip under dark, starry sky outside the city. It is also an ideal proposition for the organizers of sky shows, popularizer of astronomy, teachers.

Nothing prevents you from going on a night escapade with the new Star Discovery telescope. Express assembly / disassembly of the optical tube and folding the tripod is done by means of single knobs and lasts 3 minutes. Tripod tripods, including the tube, fit into any car and are easy to move and put together by 1 person

The adjustable clutch of the elevation axis enables smooth and light control of the telescope, even at the zenith. The right quality of the finder-scope or red-dot (depending on the model) allows you to quickly see which part of the sky is the found object. Impress your friends with the sky by showing them in the Star Discovery telescope!

The installation of Star Discovery telescopes is not just astronomical equipment. Simply remove the telescope and mount the DSLR with the lens to enter the world of astrophotography, time-lapse photography and videofilmowania. This assembly offers the functionality of Virtuoso mounting - it allows you to trigger the shutter of digital cameras (via a suitable cable available outside the set), is battery-powered and has a similar accessory mounting system on the L-adapter (dovetail).

The Star Discovery series includes several types of optical instruments:
• achromatic refractor 102/500 mm
• Maksutov-Cassegrain 127/1500 mm
• Newton's 130/650 mm parabolic reflector
• Newton's 150/750 mm parabolic reflector

Newton's optical system (mirror)

Due to the high brightness of the telescope, we particularly recommend observation of nebular objects. This model will also be useful when observing planetary objects as well as craters of the Moon. The main advantage of this telescope is a large 150 mm parabolic mirror, which is the most important element of the telescope, which determines what and how we can observe. This telescope collects about 320 times more light than people eye in the night, providing the opportunity to observe objects up to almost 12-13 magnitude (with bare eye visible up to 6 stellar magnitude). The size of the mirror is also related to the optical resolution, which in this telescope allows the separation of stars that are distant from each other not less than 0.9 ". In addition, in the telescope we find a Barlow lens, which in connection to the 1.25 "diameter eyepiece will give us a two-fold increase in magnification, but at the expense of the field of view and the brightness of the image. Telescope equipment should be supplemented with additional glasses. One eyepiece with a shorter focal length of approx. 5-6 mm, for observing planets and one wide two-inch aperture of approx. 30 mm with a large field of view allowing the review of the sky.

Eyeglass extractor

The telescope is equipped with a spectacle lens that allows the use of 1.25 "glasses. Two aspherical eyepieces with a field of view of 62 ° are included in the set.

Astrophotography

The Star Discovery 150 Newton telescope is the first telescope that can be successfully used in astrophotography, thanks to the simple azimuthal assembly with a computerized drive in both axes, which has a load capacity sufficient to lift the Newton's optical tube with Light f / 5 and the body of a digital SLR. The T-2 thread has a T-2 thread to connect the optional T-ring and the SLR body.

Observation possibilities

Solar system
objects on the surface of the moon with dimensions larger than 1-2 km; sunspots and their structure, photosphere granulation visible; all planets of the Solar System; Mercury's and Venus's phases; Mars shield, polar caps in periods of opposition; several zones of Jupiter belts and Galilean moons; the rings of Saturn with Cassini's intersection, the belt in the atmosphere, and several smaller moons of the planet; Uranus and Neptune visible as stars of a clearly blue color; the asteroid movement against the stars; observations of many weaker comets, visible structure of brighter comets

star
about 2.7 million stars across the sky, double and multiple stars separated from each other angularly at more than 0.9 ", the color of many stars

Nebular objects
all Messier directory objects; hundreds of globular clusters, partly broken down into individual stars in many cases; hundreds of open clusters with many visible differences in construction; tens of tens of nebulae, with the first details, rich details of bright nebulae; tens of galaxies with slightly visible details of the structures, shape and angular position of the disks; visible structure and construction of many planetary nebulae; visible supernova remnants

Ground observations

A telescope with this type of optics is not well suited to terrestrial observations. To reverse the image, use the so-called a straightening lens that turns the image into a natural (straight). Along with the straightening lens and assembly on which it was placed, it can be used as a simple ground observation device.

OFFERED TELESCOPIC LETS START OBSERVATIONS ON THE FIRST WEATHER - INCLUDES ALL NECESSARY ACCESSORIES


Usage

Moon
the planet
clusters
nebulae
PC control

Technical parameters

• Optical system: Newton's mirror telescope
• Lens diameter: 150 mm
• Focal length of the lens: 750 mm
• Lighted: 1/5
• Theoretical range: 13.6 magnitude
• Maximum useful magnification: 300x
• Dimensions of the optical tube [cm]: 18 x 18 x 65
• Tripod: steel
• Installation: azimuth with GOTO, SynScan AZ
• Finder: 5x24
• Eyeglass extractor: 1.25 "
• Weight: 4 kg net (6 kg gross) - a tube with an optic
8 kg net (10 kg gross) - tripod with a GOTO head

Elements of the set

• telescope
• folding steel stand
• Star Discovery GT
• aspherical eyepiece 62 ° 1.25 "10 mm
• aspherical eyepiece 62 ° 1,25 "23 mm
• hybrid optical and projection finder 5x24
• SynScan AZ V4 remote control
• RJ-RS232 cable
• table-spacer

Warranty

3 years warranty for mechanics, 2 years for electronics




















READ : A SHORT OPTICAL CLEANER GUIDE
[PDF]


READ TO: HOW TO CONNECT COMPACT WITH TELESCOPIC
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READ TO: HOW TO JOIN THE DIGITAL MALE WITH A TELESCOPIC
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>> FREQUENTLY ASKED QUESTIONS <<

Question : Will the beginner handle the submission and operation of this telescope?

Answer: For each telescope we provide a comprehensive instruction in Polish, from which the user will learn how to assemble a telescope and how to use it during observation. Customers usually do not have any problems with submitting the telescope if they only read the instructions.
A separate issue is searching for objects in the sky during the first observations. That is why we recommend educational items in the Publications section (especially maps and astronomical guides) and Stellarium: an excellent, free "planetarium" program in Polish, ideal for studying the sky and planning observations.


ENJD- AND DOWNLOAD THE STELLARIUM PROGRAM FOR FREE

Question : Can a digital SLR be connected to this telescope? What accessories are needed for this?

Answer: Of course, YES, you can connect a DSLR to that and any other telescope. What you need for this is: a projection connector and a T2 ring that is specific to your DSLR (there are 5 standards for DSLRs: Canon EOS, Nikon, Olympus E, Petax K and Sony Alfa / Minolta AF). These connectors are available in our online store in the astronomical accessories department.

Question : Can a compact camera be connected to this telescope? What accessories are needed for this?

Answer: Of course you can. A suitable shelf for compact cameras can be found in the section of astronomical accessories in our online store ( universal adapter for compact digital cameras ).

Question : Can the HYBREY camera (large compact camera and SLR camera) be connected to this telescope? What accessories are needed for this?

Answer: You can make such attempts, but this is not recommended. So-called hybrids do not work well in astrophotography, because they do not have the ability to remove the lens like a SLR camera, but they have large sizes and large lenses, which makes the shelf systems ineligible, and the vignetting is large, because you can not bring the lens closer to the last optical surface of the telescope's eyepiece. We recommend buying a SLR or cheap compact.

Question : What else is worth buying for this telescope?

Answer: The presented telescope is a complete set ready to conduct astronomical observations on the first clear night. As an addition, we recommend educational publications in the first place, which will make using both the telescope and the observations themselves more conscious and simpler. In addition, it is worth considering the purchase of contrastive planetary filters and foils for the solar filter (available in the astronomical accessories department).

Question : Can this telescope be used as a spotting scope / telescope for nature?

Answer: NO. This mirror telescope (Newton) is not suitable for observing terrestrial objects, because it gives an inverted image up - down ("green down") and there are no optically good ways to "restore" it. However, this does not interfere with astronomical observations, because for the Earth's observer the concept of top and bottom makes sense on Earth, in space it does not exist.
In contrast, Newton's telescopes are quite well suited to the photography of ground-based objects and aircraft observations at cruising altitudes.

Question : Can I observe both planets and nebulae through this telescope? Is this a telescope only to the city or just to the countryside?

Answer: All offered telescopes allow you to observe planets of the solar system (all) and nebulae, or more precisely galaxies, star clusters, emission nebulae etc. A separate issue is the clarity of planet surface details and the number and brightness of nebular objects. The smaller telescope has its own sky, large - its own, but we can always count on great observations of the surface structure of the Moon, Mercury and Venus, Mars shield, Jupiter belts and Jupiter's Galilean four moons, Saturn's ring and Uranus and Neptune shields. The nebular nebulae, such as the Andromeda M31 Great Nebula, the Orion Nebula M42, or the globular cluster in M13, always delight, even a small telescope will reveal several dozen of the most beautiful nebulae. In the end, the telescope after equipping it with a solar filter can be used to observe spots on the Sun's target.
There is no division into telescopes to the city and, on the other hand , recommendations are more: if the telescope is used mainly in the city, in the conditions of pollution with urban light and high instability of the atmosphere (buildings emit heat at night, warming up the air and the image begin to "float" like in hot days over a hot road!), then the achromatic refractor (lens telescope) or Maksutov (meniscus - mirror) is recommended. Our goal will be mainly planets and compact objects. In turn, in the black, rural sky, it is worth to use the Newton's (mirror) telescope with the largest possible mirror for us, because we can count on a more stable and more transparent atmosphere and great opportunities to observe nebulae.

Question : Does this telescope have a tripod / assembly included?

Answer: Of course YES, each telescope has an assembly, unless it is described as OTA ( Optical Tube Assembly ).

Question : You write that the telescope is assembled, does it mean that you are coming and you will assemble the telescope for me?

Answer: Mounting does not mean mounting , but the telescope tube mounting system. It must be understood that we never conduct observations "by the hand" with the astronomical telescope - we must mount the telescope on the system enabling its precise positioning in any region of the sky.
In the case of azimuthal assembly , the tube is moved in two axes - azimuth ("left - right") and height ("top - bottom"). Please do not worry - it's not difficult, although the names at the beginning may seem exotic. In addition, the assembly is equipped with stepper motors to move the telescope and the GOTO object search system, which greatly simplifies working under the starry sky the very first night.


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