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> Home Built Optical Planetariums
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Pinned: Topic has attachmentsBulb Table
Lamp Data
17 Ken Miller 6,622 5th March 2015 - 10:56 AM
Last post by: Ron Walker
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Pinned: Drill Bit Table for Star Holes
How Low Can You Go!
4 mrgare5050 5,247 26th August 2008 - 07:33 PM
Last post by: ltkhoover
Forum Topics
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4 beardless 122 5th December 2018 - 03:34 PM
Last post by: Ron Walker
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11 jmarmor 2,994 3rd October 2018 - 01:01 PM
Last post by: Ron Walker
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Topic has attachmentsJamie's Planetarium MKII
A fully optical projector
2 Philostopher1 244 13th September 2018 - 05:51 PM
Last post by: moonmagic
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Topic has attachmentsFrom: Jamie's Planetarium  * 123» 11
From Topic ID: 25344
206 Philostopher1 12,547 13th September 2018 - 04:48 PM
Last post by: Ron Walker
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Topic has attachmentsWho built this?
Home made Star projector UK
4 Philostopher1 700 29th July 2018 - 09:44 PM
Last post by: Philostopher1
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Topic has attachmentsPlanetarium Orrery Automata
Van Cleef and Arpels Planetarium \ Orrery Watch
10 Philostopher1 1,024 3rd July 2018 - 11:43 PM
Last post by: Philostopher1
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Topic has attachmentsStar Plates
Making star plates and Plotting to Truncated Icosahedron
7 Philostopher1 657 15th June 2018 - 05:57 PM
Last post by: Strgzr
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19 Barnetarium 6,941 7th June 2018 - 01:29 PM
Last post by: mrgare5050
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20 Scott T 2,015 23rd May 2018 - 04:28 PM
Last post by: Ron Walker
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60 Tim Mitchell 27,115 24th April 2018 - 11:03 AM
Last post by: Ken Miller
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Topic has attachmentsDIY simple Lenses
Making lenses for better stars
13 Philostopher1 1,028 3rd April 2018 - 06:37 PM
Last post by: Philostopher1
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Topic has attachmentsPin Hole Light source via LED  * 12
Cree LEDs, Smartphone lenses and light pipe homogenizers.
21 Philostopher1 2,556 19th February 2018 - 10:02 AM
Last post by: Ron Walker
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Who built this?
Home made Star projector UK
0 Philostopher1 438 3rd January 2018 - 03:55 PM
Last post by: Philostopher1
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Light Emitting Plasma Sources
Plasma emitters as potential point sources
1 Philostopher1 596 17th August 2017 - 10:42 AM
Last post by: Ron Walker
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Topic has attachmentsLEDs with hexagonal emitters
no square stars!
3 Philostopher1 748 10th August 2017 - 12:28 PM
Last post by: Ron Walker
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56 Ron Walker 55,639 6th July 2017 - 10:57 AM
Last post by: Ron Walker
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1 heptacloro 817 16th December 2016 - 11:20 AM
Last post by: Ron Walker
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Topic has attachmentswhat is it all about...?
strange fascination about the stars inside a room
13 Bossard 4,054 2nd December 2016 - 04:04 AM
Last post by: mrgare5050
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Topic has attachmentsNew Planetarium
From starball to operational planetarium
5 tomoarnold 3,340 29th April 2014 - 03:32 PM
Last post by: moonmagic
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Topic has attachmentsBulb question
what bulb is best for a small projector?
7 Ron Walker 3,664 21st April 2014 - 11:03 AM
Last post by: Ron Walker
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16 Charlie Miller 5,474 4th November 2013 - 04:03 PM
Last post by: tomoarnold
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Topic has attachmentsBuilding a home planetarium from scratch  * 123» 6
or, what possessed me to start this
119 Ron Walker 56,433 9th January 2013 - 10:44 AM
Last post by: Ron Walker
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40 Ken Miller 26,077 27th December 2012 - 11:13 AM
Last post by: mrgare5050
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2 Charlie Miller 2,017 24th December 2012 - 10:46 AM
Last post by: Ron Walker
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208 mrgare5050 244,314 19th October 2012 - 10:06 AM
Last post by: Ron Walker
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Topic has attachmentsGerman youngsters win science fair with planetarium  * 12
homemade optical starball system
26 albert 16,262 18th August 2012 - 02:45 PM
Last post by: Ron Walker
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Topic has attachmentsModifying a Spitz Jr.  * 12
I am still not finding some basic information
29 flyboybc 16,131 7th August 2012 - 04:21 PM
Last post by: Ron Walker
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Thoughts on building a star-cylinder projector
manuscript under development
17 Charlie Miller 7,112 20th September 2011 - 12:35 PM
Last post by: Ron Walker
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Lo-Fi Version Time is now: 15th February 2019 - 03:21 PM