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ToupTek Astro T2 / M42 Tilter tilting adapter

ToupTek Astro T2 / M42 Tilter tilting adapter

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New
Clamp Star Adventurer GTi from Skywatcher

Clamp Star Adventurer GTi from Skywatcher

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New
Fingerprint on the lens - Cleaning the lens

Fingerprint on the lens - Cleaning the lens

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New
Lint-free Schmidt plate

Lint-free Schmidt plate

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New
Heritage OAZ turns heavily

Heritage OAZ turns heavily

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New
Replacing the Heritage Rockerbox Teflon plate

Replacing the Heritage Rockerbox Teflon plate

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Skywatcher Wave 100i, different home position

Skywatcher Wave 100i, different home position

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Board replacement on an EQ6 - RS232 to USB and new 12V connection

Board replacement on an EQ6 - RS232 to USB and new 12V connection

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0,00 EUR
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Knurled screw on the battery compartment of the Star Adventurer GTi

Knurled screw on the battery compartment of the Star Adventurer GTi

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0,00 EUR
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Installation of an aperture ring for the primary mirror

Installation of an aperture ring for the primary mirror

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Removal of the standard secondary mirror spider and conversion to CYCK from MAXGEEK

Removal of the standard secondary mirror spider and conversion to CYCK from MAXGEEK

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0,00 EUR
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Announcement: Askar 71F - Flatfield Astrograph / Observation Telescope

Announcement: Askar 71F - Flatfield Astrograph / Observation Telescope

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Announcement: Touptek Astro - AstroStation

Announcement: Touptek Astro - AstroStation

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Info: CNC secondary mirror spiders from Artesky and Backyard Universe

Info: CNC secondary mirror spiders from Artesky and Backyard Universe

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Announcement: CELESTRON ORIGIN INTELLIGENT HOME OBSERVATORY

Announcement: CELESTRON ORIGIN INTELLIGENT HOME OBSERVATORY

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Announcement: CELESTRON ORIGIN INTELLIGENT HOME OBSERVATORY

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Handle / carrying handle for telescope

Handle / carrying handle for telescope

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Optimization of a Sykwatcher Star Adventurer GTI

Optimization of a Sykwatcher Star Adventurer GTI

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Handle / carrying handle and viewfinder holder for SC (Schmidt-Cassegrain)

Handle / carrying handle and viewfinder holder for SC (Schmidt-Cassegrain)

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Announcement : Askar 185APO - Apochromatic Refractor - 185mm f7 / 980mm focal length

Announcement : Askar 185APO - Apochromatic Refractor - 185mm f7 / 980mm focal length

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Announcement : Askar 140APO - Apochromatic Refractor - 140mm f7 / 980mm focal length

Announcement : Askar 140APO - Apochromatic Refractor - 140mm f7 / 980mm focal length

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Announcement : Askar 120APO - Apochromatic Refractor - 120mm f7 / 840mm focal length

Announcement : Askar 120APO - Apochromatic Refractor - 120mm f7 / 840mm focal length

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0,00 EUR
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Zenith mirror check

Zenith mirror check

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Replacing the motor on SkyWatcher EQ6-R Pro - Equatorial GoTo mount for telescopes

Replacing the motor on SkyWatcher EQ6-R Pro - Equatorial GoTo mount for telescopes

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0,00 EUR
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Images of misaligned optics on the adjustment disc

Images of misaligned optics on the adjustment disc

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DIY - but please with feeling...:-)

DIY - but please with feeling...:-)

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Announcement : Askar 103APO - Apochromatic Refractor - 103mm f6.8 / 700mm focal length

Announcement : Askar 103APO - Apochromatic Refractor - 103mm f6.8 / 700mm focal length

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0,00 EUR
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The adventures in amateur astronomy for the education of young people

The adventures in amateur astronomy for the education of young people

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Announcement ZWO Seestar S50 SmartTelescope

Announcement ZWO Seestar S50 SmartTelescope

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Announcement of the ZWO AM3 Harmonic Equatorial Mount - GoTo - Mount Head - Travel Mount

Announcement of the ZWO AM3 Harmonic Equatorial Mount - GoTo - Mount Head - Travel Mount

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Cheap replacement for Flatfield light foil Flatfield generator Flatfieldbox

Cheap replacement for Flatfield light foil Flatfield generator Flatfieldbox

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Replacing the motor controller board on e.g. the CPC925

Replacing the motor controller board on e.g. the CPC925

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0,00 EUR
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Sky-Watcher Skymax 127 primary mirror falls into the telescope

Sky-Watcher Skymax 127 primary mirror falls into the telescope

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Repair Meade LX manual tracking / micro adjustment

Repair Meade LX manual tracking / micro adjustment

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0,00 EUR
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Info: Data management at the telescope

Info: Data management at the telescope

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Sufficient ink in stock for the interior blackening of our 3D printed items.

Sufficient ink in stock for the interior blackening of our 3D printed items.

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Another reason why we have to check telescopes and the rest before handing them over:

Another reason why we have to check telescopes and the rest before handing them over:

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Info: Design and production of a double tube clamp for different telescopes.

Info: Design and production of a double tube clamp for different telescopes.

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Info: Takahashi Mewlon 210 - Check up and collimation

Info: Takahashi Mewlon 210 - Check up and collimation

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Info: double support rings

Info: double support rings

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Info: Focuser blocked on the RedCat51 / Spacecat51?

Info: Focuser blocked on the RedCat51 / Spacecat51?

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Info: Skywatcher Heliofind - The view into the inside.

Info: Skywatcher Heliofind - The view into the inside.

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Info:Comparison of three ways to observe prominences

Info:Comparison of three ways to observe prominences

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Adjusting a focuser of the Skywatcher Explorer PDS series

Adjusting a focuser of the Skywatcher Explorer PDS series

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If the focuser on a Newtonian tilts / wobbles, suggested solution

If the focuser on a Newtonian tilts / wobbles, suggested solution

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Adapter for an EQ-5 class mount on an EQ-6 class tripod

Adapter for an EQ-5 class mount on an EQ-6 class tripod

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0,00 EUR
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Gluing of secondary mirrors simplified

Gluing of secondary mirrors simplified

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PArt III Spectroheliograph SolEx

PArt III Spectroheliograph Sol'Ex

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Part II - Spectroheliograph SolEx

Part II - Spectroheliograph Sol'Ex

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Motorized focuser Skymax127

Motorized focuser Skymax127

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Prototype of a protective cap for RASA8 with cable guide

Prototype of a protective cap for RASA8 with cable guide

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Prototype of an astrograph - Part 4 (Newtonian telescope)

Prototype of an astrograph - Part 4 (Newtonian telescope)

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Prototype of a lens hood for the SkyWatcher Heritage 130P and 150P Dobson

Prototype of a lens hood for the SkyWatcher Heritage 130P and 150P Dobson

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Adjusting an Intes-Micro Makstutov-Newton 7 f/8

Adjusting an Intes-Micro Makstutov-Newton 7" f/8

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Experiment on the load capacity of prism rails / mounting plates and pipe clamps from 3D printing

Experiment on the load capacity of prism rails / mounting plates and pipe clamps from 3D printing

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Prototype of an Astrograph - Part 3 (Newton Telescope)

Prototype of an Astrograph - Part 3 (Newton Telescope)

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Prototype 3D printing mounting plate Losmandy and pipe clamps

Prototype 3D printing mounting plate Losmandy and pipe clamps

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Our 3D printer farm is now complete (at least for now)

Our 3D printer farm is now complete (at least for now)

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Prototype of an astrograph - Part 2 (Newtonian telescope)

Prototype of an astrograph - Part 2 (Newtonian telescope)

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Extension of a TS-RED079 corrector with UFC filter drawer

Extension of a TS-RED079 corrector with UFC filter drawer

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Update: New design of secondary mirror cells / secondary mirror holder / secondary mirror spider

Update: New design of secondary mirror cells / secondary mirror holder / secondary mirror spider

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New design of secondary mirror cells / secondary mirror holders / secondary mirror spider

New design of secondary mirror cells / secondary mirror holders / secondary mirror spider

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Fingerprints on a Schmidt plate / Replacing the collimation screws

Fingerprints on a Schmidt plate / Replacing the collimation screws

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Our new kit for PST-40 conversion

Our new kit for PST-40 conversion

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Guiding error on a Skywatcher Adventurer 2i

Guiding error on a Skywatcher Adventurer 2i

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Review of a CFApos before handing it over to the customer

Review of a CFApos before handing it over to the customer

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Repairing an eyepiece focuser

Repairing an eyepiece focuser

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Adjusting the backlash on a Skywatcher EQ35

Adjusting the backlash on a Skywatcher EQ35

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Collimation of a Newtonian with eye problems

Collimation of a Newtonian with eye problems

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Advance information: SkyWatcher Star Adventurer GTi

Advance information: SkyWatcher Star Adventurer GTi

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Loosen a stuck thread after a night of observation

Loosen a stuck thread after a night of observation

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Prototype of a Newtonian astrograph

Prototype of a Newtonian astrograph

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Development of the aperture ring for Newton mirrors

Development of the aperture ring for Newton mirrors

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Why we check and adjust telescopes before shipping or release

Why we check and adjust telescopes before shipping or release

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ASIAIR PLUS power supply

ASIAIR PLUS power supply

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AZ-EQ5 GT: Correction of the worm gear play of the DEC axis

AZ-EQ5 GT: Correction of the worm gear play of the DEC axis

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Cleaning a completely dusty front lens

Cleaning a completely dusty front lens

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Cleaning a flattener

Cleaning a flattener

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Cleaning a ZWO ASI2600 MC Pro camera

Cleaning a ZWO ASI2600 MC Pro camera

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Spots / artifacts / fogging on ZWO ASI2600MC and MM astro cameras

Spots / artifacts / fogging on ZWO ASI2600MC and MM astro cameras

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Aligning an equatorial mount (three options)

Aligning an equatorial mount (three options)

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Grinding the counterweight rod nut on a Celestron AVX mount

Grinding the counterweight rod nut on a Celestron AVX mount

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If you grease an EQ-5 incorrectly…

If you grease an EQ-5 incorrectly…

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first review: Solar Spectrum Sundancer 2

first review: Solar Spectrum Sundancer 2

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Repair of a Skywatcher AZGTi (clamp defective)

Repair of a Skywatcher AZGTi (clamp defective)

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Short circuit in the Skywatcher Star Adventurer

Short circuit in the Skywatcher Star Adventurer

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Broken USB port on the Skywatcher Star Adventurer

Broken USB port on the Skywatcher Star Adventurer

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Changing the TLAPO804 to left-handed version

Changing the TLAPO804 to left-handed version

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Optimization of the focuser of the TLAPO0804

Optimization of the focuser of the TLAPO0804

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Synscan handheld terminal - button does not respond

Synscan handheld terminal - button does not respond

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AzGTI azimuth clamp does not work

AzGTI azimuth clamp does not work

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Adjusting a Hotech laser

Adjusting a Hotech laser

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Celestron NexStar Evolution - Power LED flashes quickly

Celestron NexStar Evolution - Power LED flashes quickly

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Interesting solutions for focusing adapters for EAF and WO RedCat and others

Interesting solutions for focusing adapters for EAF and WO RedCat and others

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Collimation of a Celestron RASA on the artificial star.

Collimation of a Celestron RASA on the artificial star.

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Skywatcher AZGTi motor controller update

Skywatcher AZGTi motor controller update

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Update of the Star Adventurer / Motor Controller

Update of the Star Adventurer / Motor Controller

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Celestron NexStar SLT - Error Code 16 - E-Board Replacement

Celestron NexStar SLT - Error Code 16 - E-Board Replacement

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Nexstar SE: Old engine starts running uncontrollably

Nexstar SE: Old engine starts running uncontrollably

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Analysis: Star Adventurer stops working after about 30-40 seconds

Analysis: Star Adventurer stops working after about 30-40 seconds

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TS-Optics adapter reduction of 2" filter thread to 1.25 TSFi2-1
TS-Optics adapter reduction of 2 filter thread to 1.25 TSFi2-1
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TSWA20 TS WA20 Wide Angle Eyepiece - 20mm - 1.25" - 70° Field of View
TSWA20 TS WA20 Wide Angle Eyepiece - 20mm - 1.25 - 70° Field of View
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Very good to my 70 mm Orion finder. Its give me 5* agreed fi
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