ATM, Optics and DIY Forum
Amateur Telescope Making (ATM) and any do it yourself related activities. Ask questions, discuss and post pictures of telescope related projects, optics, telescopes, observing chairs, etc.
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Post your home made scopeStarted by droid , 22 Jan 2013 |
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New Photo Size Guidelines in CN 3.0.Started by richard7 , 15 Sep 2014 |
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Ron Ravneberg Memorial Scope GalleryStarted by RRavneberg , 29 Dec 2007 |
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Best of ATM and HelpStarted by MMICKELS , 02 Jul 2005 |
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smallest travel 10’´ dobson in a laptop bagStarted by laurent the french (sorry) , Today, 02:41 AM  ATM
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How hard is it to figure a spherical mirror to an exact focal lengthStarted by Stonius , Yesterday, 09:50 PM |
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storing polishing lap o/nStarted by macleod , Today, 03:13 AM |
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Making a 6 inch F3 Mirror/DobStarted by Lognic04 , 19 Aug 2018 ATM, lens making, mirror making and 3 more...
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Gold standard for Everett pin stickStarted by Gert , 10 Dec 2018 |
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Thoughts of a first time mirror maker seeking adviseStarted by Giorgos , 02 Dec 2018 |
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Fair price for a 11" supremax blankStarted by Adaptive_Optics , Yesterday, 07:24 PM |
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Distance to view to find focal lengthStarted by tag1260 , Yesterday, 09:57 AM |
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Consensus on thin mirrors?Started by ccaissie , Yesterday, 10:02 PM |
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Difficulty figuring 8 inch vs 6 inch for 1st time mirrorStarted by pacificdiver , Yesterday, 04:17 PM |
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Simultaneous mirror grindingStarted by Lucullus , 09 Dec 2018 |
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Consensus on thin mirrors?Started by ccaissie , Yesterday, 10:01 PM |
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Mirror and coma questionStarted by Mick Christopher , 08 Dec 2018 |
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PnP Focus: The simplest-ever Arduino focus controllerStarted by anat , 11 Oct 2017 |
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Three Achromats tested DPACStarted by bremms , 07 Dec 2018 |
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Formica 909-42 discontinued?Started by jtsenghas , 10 Dec 2018 |
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Attempt to build a 3d printed travelling dobson telescopeStarted by ulysse31 , 29 Aug 2018 |
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Questions on concrete form tubeStarted by Ivandn , 06 Dec 2018 |
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Updated status of mirror coaters?Started by ccaissie , 04 Jun 2018 |
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Baffling or flocking or both?Started by mustafa3598 , 05 Dec 2018 |
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Solid tube vs 8-strut vs 6-strutStarted by kb58 , 08 Dec 2018 |
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Using a digital camera with foucault/ronchi testingStarted by krisald444 , 08 Dec 2018 |
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3D printed spider/hub/mirror holder - what material?Started by SleepyAtNight , 10 Dec 2018 |
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Roller bearing for azimuth (Dob base)Started by fromEarth , 10 Dec 2018 |
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How to attach an Accufocus to Explore Scientific ED80 triplet OTAStarted by runrob , 03 Dec 2018 |
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6" f/3.25 paraboloid foundStarted by ccaissie , 05 Dec 2018 |
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What did you work on today?Started by Sean Cunneen , 18 Feb 2015 |
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250 mirror blank, 16.6mm thickStarted by brebisson , 18 Oct 2018 |
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build your own telescope by richard berryStarted by mustafa3598 , 23 Nov 2018 ATM, beginner, DIY, dob, SCT
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1.25" to 2" focuserStarted by gimpy57 , 23 Nov 2018 |
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Is there an optimum focal position for a Mak?Started by Joe1950 , 10 Dec 2018 |
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Persistent edge problemStarted by ckh , 21 Aug 2018 |
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3D print a SCT thread adapterStarted by laixiaolue , 09 Dec 2018 |
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Building a 14" sub-f3 RFTStarted by totvos , 12 Oct 2015 mirror making
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3D-printed de-rotator for Moonlite 2.5" focuser and GSO coma correctorStarted by rcw , 09 Dec 2018 |
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Mirror Cell - 3 or 4 collimation screws+springs?Started by sg6 , 25 Nov 2018 |
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Newt Rebuild with new focuser and Wynne correctorStarted by zoddette , 02 Dec 2018 |
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Carbon fiber tube braidingStarted by Pinbout , 07 Dec 2018 |
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Zambuto 8" dob projectStarted by Bill Schneider , 15 Jul 2018 |
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edge support calculator ?Started by Bob4BVM , 08 Dec 2018 |
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Wiffletree geometry?Started by Tim M , 08 Dec 2018 |
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Suggestions for GregorianStarted by Billyboy78 , 01 Apr 2018 |
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Triplet refractor collimation and lens centeringStarted by precaud , 28 Apr 2017 |
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2" focusers for binoscopesStarted by Andeas72202 , 03 Dec 2018 |
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Newt Mirror CellStarted by zoddette , 06 Dec 2018 |
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Achromat lens spacingStarted by rnc39560 , 07 Dec 2018 |
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