Homage to John Dobson .... Post your Dobs !

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Rainmaker
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Homage to John Dobson .... Post your Dobs !

#1

Post by Rainmaker »

My homemade "Excalibur" 18" F3.5 Dobsonian featuring:
Suchting Precision Optics Primary
Ostahowski 4.5" 1/12th wave secondary
SIPS Paracorr System
Feathertouch FTF2015BCR Focuser
AstroDevices Nexus DSC
Astrosystems HD Spider and secondary holder
Aurora Precision Truss Clamps
Carbon fibre truss poles
Carbon/Kevlar UTA Baffle
Noctua Chromax 120mm cooling fan
Aluminium, Stainless Steel, Carbon fibre construction
Attachments
MIS_5809.jpg
MIS_5847.jpg
MIS_5985.jpg
Matt in Oz
Rainmaker “Excalibur” 18” F3.5 +SIPS @ 1860mm
TMB-LZOS 152mm F7.9 @ 1200mm
Takahashi FOA 60mm F8.8
Takahashi FC76DC F7.5
Skylight AR101.15
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Ylem United States of America
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Re: Homage to John Dobson .... Post your Dobs !

#2

Post by Ylem »

That's a beautiful instrument ;)
Clear Skies,
-Jeff :telescopewink:


Member; ASTRA-NJ


Orion 80ED
Celestron C5, 6SE, Celestar 8
Vixen Porta Mount ll
Coronado PST
A big box of Plossls
Little box of filters :D



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The Happy Parrot
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Re: Homage to John Dobson .... Post your Dobs !

#3

Post by The Happy Parrot »

+1 with Ylem. That is very a clean looking telescope with impressive features Rainmaker. Nice!
THP

Semper ubi sub ubi.

Telescopes: Refractor: Celestron DX 102AZ SSE f6.5; Newtonians: Z8 f5.9; Jason Comet 480t (ret.)
Eye Pieces: Meade 5.5 mm, ES 8.8 mm/82, Agena SG 12 mm, ES16 mm/68 & 24mm/68, Z30mm WF, Celestron 32 mm Pl.
Binoculars: Olympus DPS I 10x50
Backyard Light Pollution: Orange Bortle 4-5
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helicon United States of America
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Re: Homage to John Dobson .... Post your Dobs !

#4

Post by helicon »

I have to say that is one lovely instrument. You should be very proud.
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
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Re: Homage to John Dobson .... Post your Dobs !

#5

Post by Rainmaker »

My previous Dob build, now owned by Joe (OzEclipse)
18" F5.6 Galaxy Primary
Astrosystems secondary
Nexus DSC
Rest built by me back 2015
Attachments
MS2_2643.jpg
Matt in Oz
Rainmaker “Excalibur” 18” F3.5 +SIPS @ 1860mm
TMB-LZOS 152mm F7.9 @ 1200mm
Takahashi FOA 60mm F8.8
Takahashi FC76DC F7.5
Skylight AR101.15
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