BRESSER Messier AR-90/900 EXOS-2 GoTo Telescope
90 mm f/10 refractor telescope with mount and tripod
- Achromatic refractor with equatorial GoTo mount
- D: 90 mm; F: 900 mm; F/D: F/10
- EXOS-2 GoTo mount with solid stainless steel tripod and max. load of 13 kg
- Engine-driven GoTo mount + Startracker handbox
- Included: Telescope with Mount + Accessories
- Aperture Solar-filter and smartphone adapter for celestial navigation included
- Modern goto-system with big matrix-display
- Precision mount with ball bearings in all axis and polar finder scope with optional illumination
- With integrated camera holder
Product number:
4790909
With BRESSER, you can enjoy a smooth introduction to the vast world of astronomy. Our detailed information ("Telescope Guide") provides valuable tips for beginners—but even experienced astronomers can use the information we provide (e.g., tables for the geographical latitude of all major world cities) as a reference.
Here is the table of contents of the comprehensive BRESSER Telescope Guide:
- 2. The View into the Starry Sky
- 2.1 Observing with the Naked Eye
- 2.1.1 Observing Constellations with the Naked Eye
- 2.2 Observing with Binoculars
- 2.2.1 Observing Planets and Moons with Binoculars
- 2.2.2 Observing Deep Sky Objects with Binoculars
- 2.2.3 Every Beginning is Easy
- 2.3 Observing with a Telescope
- 2.4 The Moon
- 2.4.1 The Moon Phases
- 2.4.2 The Far Side of the Moon
- 2.4.3 The Moon Map
- 2.4.4 Maria (Seas)
- 2.4.5 Mare
- 2.4.6 Craters
- 2.4.7 The Ray Craters
- 2.5 Observing the Solar System with a Telescope
- 2.5.1 Where are the Planets?
- 2.5.2 Planet Observation
- 2.5.3 The Position of the Planets Relative to the Sun
- 2.5.4 The Planets Introduce Themselves
- 2.5.5 Deep Sky Observation with a Telescope
- 2.6 Practical Observation Tips and Tricks
- 2.6.2 Tips for Optimal Observation Conditions
- 2.7 The Most Beautiful Objects Throughout the Year
- 4. Telescopes
- 4.1 The Telescope as an Observation Instrument
- 4.2 Optics
- 4.2.1 Refractor (Lens Telescope)
- 4.2.2 Reflector (Mirror Telescope)
- 4.3 Mechanics
- 4.3.1 Altazimuth Mount
- 4.3.2 Equatorial Mount
- 4.3.3 Drive Motors
- 4.4 Accessories
- 4.4.1 Eyepieces
- 4.4.2 Important Tips for Eyepiece Selection
- 4.4.3 Filters
- 4.4.4 Photographic Accessories
- 4.4.5 Other Accessories
- 5.1 Which Telescope for Whom?
- 5.1.1 Deep-Sky Observations
- 5.1.2 Observing Closer Planets
- 5.1.3 The Topic of Portability
- 5.1.4 Price Factor When Buying a Telescope
- 6. Useful Tables
- 6.1 Table for the Geographic Latitude of All Major World Cities
- 6.1.1 Observers in the Northern Hemisphere (N):
- 6.1.2 Observers in the Southern Hemisphere (S):
- 6.2 Lookup Table for Notable Stars
- 6.3 Getting Acquainted with the Universe - or: Distances in Space
Sky Guides by Bresser
The Sky Guide provides comprehensive information on constellations, planetary positions, and astronomical events – perfect for planning your observations and delving deeper into astronomy.
Visit the guide directly here to make the most of your observations!
Product information "BRESSER Messier AR-90/900 EXOS-2 GoTo Telescope"
NEW – now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. Great telescope for night and solar observation.
Excellent for entering into the hobby of astronomy: 90mm aperture delivers 200 times more light than the naked eye! Observe craters, valleys and rims on the moon from nearly 400,000km away just as you would look out of the window of a spaceship! The BRESSER Messier AR-90 does not only provide highly detailed views of the moon: Gaze at the division of the rings of saturn millions of kilometers away or explore the Great Red Spot of Jupiter, a giant tornado in Jupiter's atmosphere. Watch the seasons on Mars and find the sickle of Venus. The Messier AR-90 gives you images that are many times brighter than the instrument Galileo Galilei was using for his famous explorations almost 400 years ago.
CHARACTERISTICS OPTICS
Excellent for entering into the hobby of astronomy: 90mm aperture delivers 200 times more light than the naked eye! Observe craters, valleys and rims on the moon from nearly 400,000km away just as you would look out of the window of a spaceship! The BRESSER Messier AR-90 does not only provide highly detailed views of the moon: Gaze at the division of the rings of saturn millions of kilometers away or explore the Great Red Spot of Jupiter, a giant tornado in Jupiter's atmosphere. Watch the seasons on Mars and find the sickle of Venus. The Messier AR-90 gives you images that are many times brighter than the instrument Galileo Galilei was using for his famous explorations almost 400 years ago.
CHARACTERISTICS OPTICS
- Optical design: refractor telescope
- Lens diameter: 90 mm / focal length: 900 mm / F/10
- Maximum recommended magnification: 180x
- Telescope for night and solar observation
- 6x30 viewfinder with crosshair eyepiece
- Optimised finder mount for comfortable viewing
- 31.7mm (1.25") zenith mirror
- Smartphone adapter for celestial navigation included
- Stable parallactic mount with fine drive in both axes
- Ball bearings in both axes for more precise movements
- Stable height adjustable stainless steel tripod ( Min. 69 cm / Max. 109.5cm )
- Load capacity up to 13 kg payload
- Circular bubble for easy horizontal alignment
- GoTo Mount with motors and hand box controller, for easy finding and guiding moon, planets, stars and much more
- ST-4 compatible autoguider interface
- Pole height scale for setting the latitude
- Scaled graduated circular rings to facilitate finding objects using a star atlas or planetarium software
- Pole finder scope with optional illumination ( item no. 4964212 )
- Tripod weight: 4.7 kg
- Mount weight: 6.7 kg (without counterweight)
- Total weight incl. counterweight: 13.4 kg
- Batteries: not included
- Optical tube
- 26mm Super Plössl eyepiece (31.7mm / 1.25")
- 31.7 mm (1.25") diagonal mirror
- Integrated 31.7 mm and T2 adapter
- 6x30 optical viewfinder
- Rotatable star map
- Aperture solar filter
- Smartphone adapter for celestial navigation
- Adjustable polar finder scope with optional illumination
- Astronomy PC software Stellarium (via download)
- Equatorial EXOS 2 GOTO mount with stainless steel tripod and Startracker handcontroller
- Stainless steel tube field tripod with accessory tray
- 1 x 2 kg counterweight
| Aperture ratio: | 10 |
|---|---|
| Batteries included: | false |
| Colour: | white |
| Compass: | false |
| Counterweight (kg): | 2 |
| ED glass: | false |
| Extended warranty (years): | 10 |
| Eyepiece Barrel Diameter (mm): | 31.7 |
| Field of application [Telescopes]: | Deep Sky Observation, Deep Sky Photography, Lunar observation, Lunar photography, Planetary observation, Planetary photography, Solar observation |
| Finderscope: | 6 x 30 mm |
| Fine movements: | Electric (RA and DEC) |
| Focal length (mm): | 900 |
| Material: | Aluminium |
| Material OTA: | Aluminium |
| Material tripod 3): | Stainless Steel |
| Maximum load capacity (kg): | 13 |
| Maximum recommended magnification: | 180 |
| Mirror/Lens diam. (mm): | 90 |
| Mount Type [Telescopes]: | German/Equatorial Mount with GoTo |
| Net weight OTA (incl. accessories) (kg): | 2.5 |
| Net weight mount (incl. accessories) (kg): | 6.7 |
| Net weight tripod (incl. accessories) (kg): | 4.7 |
| Optical design: | Achromatic Refractor |
| Polefinder scope: | included, illumination optional |
| Product Family [Telescopes]: | Refractor telescope |
| Product series: | Messier |
| Reticle: | false |
| Target Group [Telescopes]: | Advanced Amateurs, Beginners |
| Total height (mm): | 1700 |
| Total length (mm): | 1000 |
| Total width (mm): | 1000 |
| Tripod height adjustment: | true |
| Tube length (mm): | 900 |
| Type of coating: | Multi coated |
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Accessories
EXPLORE SCIENTIFIC 82° Ar Eyepiece 4,7mm (1,25")
€165.00*
Explore Scientific 82° Series™ extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.
The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. The 82° Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves.
All 82° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.
EXPLORE SCIENTIFIC 82° Ar Eyepiece 6,7mm (1,25")
€165.00*
Explore Scientific 82° Series™ extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.
The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. The 82° Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves.
All 82° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.
EXPLORE SCIENTIFIC 82° Ar Eyepiece 8.8mm (1.25")
€175.00*
Explore Scientific 82° Series™ extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.
The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. The 82° Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves.
All 82° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.
EXPLORE SCIENTIFIC 82° Ar Eyepiece 11mm (1,25")
€175.00*
Explore Scientific 82° Series™ extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.
The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. The 82° Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves.
All 82° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.
EXPLORE SCIENTIFIC 82° Ar Eyepiece 14mm (1,25")
€185.00*
Explore Scientific 82° Series™ extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.
The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. The 82° Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves.
All 82° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.
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EXPLORE SCIENTIFIC 1.25" O-III Nebula Filter
€49.00*
€73.00*
(32.88% saved)
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar systems enourmously. Depending on the type of the celestial object it is possible to increase the contrast dramatically by blocking the annoying artifical light. The EXPLORE SCIENTIFIC O-III filter uses a characteristic property of the so called emmission nebulae. Those objekcts glow in special colors, the so called emmission lines. Those emmission lines are linked to chemical elements - in this case oxygen. The EXPLORE SCIENTIFIC O-III nebula filter blocks all other colors (and thereby nearly all of the artificial light) and only the two emmission lines of the oxygen can pass the filter. The result is astonoishing: suddenly nebulae are visible at locations that were completely empty without filters. In suburbian skies for example the veil nebula NGC 6992 is almost not visible with a 200mm telescope. By using this filter you can see the nebula and its structures without problems. A must for every visual observer.
The EXPLORE SCIENTIFIC nebula filters come with a individual test certificate - your guarantee to receive a premium filter.FEATURESenables the observation of so called emmission nebulaeblocks almost the entire artificial lightonly the two emmission lines of the oxygen passes the filterSCOPE OF DELIVERY1x 1,25" O-III nebula filter
EXPLORE SCIENTIFIC 1.25" UHC Nebula Filter
€58.00*
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar systems enormously. Depending on the type of the celestial object it is possible to increase the contrast dramatically by blocking the annoying artificial light. The EXPLORE SCIENTIFIC UHC filter uses a characteristic property of the so called emission nebulae. Those objects glow in special colours, their emission lines. Those emission lines are linked to chemical elements - in this case hydrogen at 486nm and 656nm, plus oxygen at 496nm and 501nm. The Explore Scientific UHC nebula filter blocks all other colours (and thereby nearly all of the artificial light) and only the emission line of the hydrogen and oxygen can pass the filter. The result is astonishing: suddenly nebulae are visible at locations that were completely empty without filters. In suburban skies for example the Owl-nebula M97, the Veil-nebula NGC6992 or even the bright Dumbell-nebula M27 are not clearly visible. By using this filter you can see the nebulae and their structures without problems. A must for every visual observer.
The EXPLORE SCIENTIFIC nebula filters come with a individual test certificate - your guarantee to receive a premium filter.FEATURESenables the observation of emission nebulaeblocks almost the entire artificial lightonly the two emission lines of hydrogen and oxygen passes the filterWHAT'S INCLUDED1x 1.25" UHC nebula filter
EXPLORE SCIENTIFIC 1.25" CLS Nebula Filter
€58.00*
Besides air turbulence, the brightening of the night sky is the biggest obstacle to observing faint objects beyond the solar system. Street lamps and other artificial lighting mean that the sky in human settlements is no longer really black. This affects the contrast and thus the perception of deep-sky objects. Depending on the type of celestial object, however, part of disturbing artificial light can be filtered out, making it easier to observe fainter targets.The EXPLORE SCIENTIFIC CITY LIGHT SUPRESSION - or CLS - filter uses the fact that the artificial lighting is not evenly distributed over the entire spectrum. These colours - in the case of the EXPLORE SCIENTIFIC CLS nebula filter, above all the typical colours of mercury and high-pressure lamps, used in street lighting - are suppressed, but the emissions of deep-sky objects are allowed through. With a slightly brightened sky, some relatively bright deep-sky objects are practically invisible with a telescope, for example the large galaxy M101. Using this filter makes observation much easier. A must have for any visual amateur astronomer. The EXPLORE SCIENTIFIC CLS can also be used as a useful photographic filter - helping to improve the quality of your telescopic deep sky photos.The EXPLORE SCIENTIFIC nebula filters are delivered with an individual test report - so you can be sure of receiving high-quality filters.SPECIFICATIONS:eliminates disturbing light - e.g. from street lightingenables observation of faint deep sky objectsWHAT'S INCLUDED:1x CLS filter
EXPLORE SCIENTIFIC 1.25" H-Beta Nebula Filter
€99.00*
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects bejond the solar systems enourmously. Depending on the type of the celestial object it is possible to increase the contrast dramatically by blocking the annoying artifical light. The Explore Scientific H-beta filter uses a characteristic property of the so called emmission nebulae. Those objekcts glow in special colors, the so called emmission lines. Those emmission lines are linked to chemical elements - in this case hydrogen. The Explore Scientific H-beta nebula filter blocks all other colors (and thereby nearly all of the artificial light) and only the emmission line of the hydrogen can pass the filter. The result is astonoishing: suddenly nebulae are visible at locations that were completely empty without filters. In suburbian skies for example the horsehead nebula is almost not visible with a 300mm telescope. By using this filter you can see the nebula and its structures without problems. A must for every visual observer.
The Explore Scientific nebula filters come with a individual test certificate - your guarantee to receive a premium filter.
EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9
€25.00*
The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope 4"(10.2cm) and larger. The ND96 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness. Very flat design, with only 5.0mm light path.
FEATURESreduces brightness for a higher contrastideal for observing the mooncan be combined with other colour filtersvery flat design, with only 5.0mm light path
SCOPE OF DELIVERY
1x Color Filter #ND96 Moon Filter (0.9 density; 13% transmission)
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BRESSER Universal Power Supply 230/12V, 3.0A
€39.00*
€59.00*
(33.9% saved)
Versatile wall adapter for all telescopes with 12V. Suitable for BRESSER MCX 102/127 Goto Telescope, BRESSER EXOS II Goto Mount, BRESSER Automatik 80/400 Telescope, National Geographic 70mm/90mm Goto Telescope etc.
FEATURESInput: 100-240 V ~ 60/50HzOutput: 12 V DC 3000 mAjack plug 2.5/5.5mm
SCOPE OF DELIVERYBRESSER Universal Power Supply
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BRESSER Car Adapter Cable 12V/7.5m
€18.00*
€22.00*
(18.18% saved)
With the BRESSER car adapter cable 12V (7.5m) telescope mounts such as the LXD-75 or EXOS-2 Goto and many more can be powered by the cigarette lighter of your car.FEATURESCar adapter cable for telescope mounts12VCable length: 7.5 metersPower plug 2,5/5,5mm (inner/outer diameter) SCOPE OF DELIVERYcar adapter cable
BRESSER Amici Prism 90° 31.7mm/1.25"
€49.00*
An amici prism allows for a comfortable 90° viewing position and creates an erect image without left-right reversal. This makes it especially suitable for nature observations but it can also be very helpful with astronomical observations. Particularly beginners may find it easier to orientate in the sky when they compare the view through the telescope with what they can see with their naked eyes.With this amici prism an astronomical telescope can be used as a powerful spotting scope.Suitable for refractor telescopes as well as Maksutov-Cassegrain style telescopes with 1,25" visual back.FEATUREScomfortable eye relief for refractor telescopes90°- viewing position and image without left-right reversalastronomical telescope turns to a powerful spotting scope1,25" visual backfully multicoated prismSCOPE OF DELIVERYAmici Prism 90° 31.7mm/1.25"
BRESSER Telescope Camera Adapter (1.25")
€39.00*
The BRESSER Telescope Camera Adapter is the connecting piece between your 35 mm DSLR camera and the telescope. The connection to your camera can be achieved with the fitting T2-mount (T2-mount optional). For the focal fotography, you need to unscrew the bottom part of the adapter and attach the camera with the fitting T2-mount directly to the push-on contact. The eyepiece projection is possible when you put an eyepiece into the adapter and tighten the knurled screw. After that, you have to attach the T2-mount and the camera and you are ready to go.FEATURESEyepiece connection diameter: 31.7 mm (1.25")Eyepiece total diameter max. 35mm
SCOPE OF DELIVERYTelescope Camera Adapter 1.25"
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BRESSER Variable Adapter
€55.00*
€69.00*
(20.29% saved)
The BRESSER camera adapter is the ideal connecting piece between your 35 mm SLR camera or DSLR and your telescope. The adapter is suitable for 1.25" eyepieces with a larger housing diameter of up to 55 mm. Please note, this adapter will be suitable for most Refractors and Cassegrain designs, but may not be suitable for use with all Newtonian designs of telescopes, due to the comparatively short travel of focus in some Newtonians. Please check with us if you'd like further advice regarding your particular telescope.FEATURESvariable camera adapterfor eyepiece projection and prime focusincludes a short prime focus adapter from 1.25" to T2 threadsuitable for 1.25" eyepieces up to 55mm housing diameter barrel diameter: 31.7mm (1.25")WHAT'S INCLUDEDvariable camera adapter
EXPLORE SCIENTIFIC Filter Set 1 Moon & Planets from 50mm (2'')
€45.00*
Filter Set 1 is recommended for Moon & Planets from 50mm (2'') Aperture
Set 1 includes the following filters:
Explore Scientific Filter 1.25" Light Yellow No.8 - 0310268
Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8“ and a clear sight, you even get to see various details of Saturn.
Explore Scientific Filter 1.25" Orange No.21 - 0310273
This one really supports the detection of the dark areas on the planet Mars. The details of the clouds of Saturn and Jupiter are also so much more visible through the Filter.
Explore Scientific Filter 1.25" Blue No.80A - 0310264
The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer.
EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9 - 0310245
The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope 4"(10.2cm) and larger. The ND96 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness.
What ist a color Filter for and do we really need it?
Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details.
FEATURES
Made from high-quality optical glass
Filter glass is absolutely parallel
All optical surfaces have anti reflex coatings
Filter housing from black anodized aluminum
Filter threads on both ends (female/male)
Multiple filters usage is possible
SCOPE OF DELIVERY
4pcs color filter
4pcs protection-case
OCULUM VERLAG - Fernrohr-Führerschein in 4 Schritten (GERMAN)
€19.90*
Please note that this astronomy book for beginners is only available in German.