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Home Built Optical Planetariums
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Pinned: Topic has attachmentsBulb Table
Lamp Data
Ken Miller
806
27th May 2009 - 01:32 PM
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Pinned: Drill Bit Table for Star Holes
How Low Can You Go!
mrgare5050
1,214
26th August 2008 - 07:33 PM
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Forum Topics
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Topic has attachmentswhat is it all about...?
strange fascination about the stars inside a room
Bossard
140
22nd August 2010 - 11:57 AM
Last post by: Ron Walker
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Bossard
97
25th July 2010 - 01:44 PM
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mrgare5050
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6th July 2010 - 10:07 AM
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PaulK
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4th July 2010 - 03:22 PM
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sgrijalva
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30th May 2010 - 12:42 PM
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jmarmor
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13th May 2010 - 08:54 AM
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joaocbm
261
22nd February 2010 - 02:15 PM
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Charlie Miller
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13th January 2010 - 02:20 PM
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Ray Worthy
886
5th January 2010 - 10:01 AM
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Topic has attachmentsModifying a Spitz Jr.  * 12
I am still not finding some basic information
flyboybc
847
6th December 2009 - 01:07 PM
Last post by: flyboybc
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Topic has attachmentsThe GEA project  * 1234
3 different ideas for an advanced homemade planetarium
bauersfeld
4,211
30th November 2009 - 01:56 PM
Last post by: Charlie Miller
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heptacloro
487
28th June 2009 - 11:34 PM
Last post by: Ken Miller
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Topic has attachmentsGerman youngsters win science fair with planetarium  * 12
homemade optical starball system
albert
2,239
28th May 2009 - 03:05 PM
Last post by: LukasV
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Barnetarium
903
2nd May 2009 - 08:40 AM
Last post by: SteveDurham
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Most colorful stars
Looking for some help on this topic
Charlie Miller
552
5th February 2009 - 09:22 AM
Last post by: mrgare5050
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ltkhoover
936
20th January 2009 - 05:49 PM
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ltkhoover
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13th January 2009 - 01:51 PM
Last post by: SteveDurham
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Thoughts on building a star-cylinder projector
manuscript under development
Charlie Miller
1,030
6th January 2009 - 12:53 PM
Last post by: charles jones
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And I Called It a Planetarium!
If You Call it That, Who Are We to Argue!
mrgare5050
768
6th January 2009 - 10:36 AM
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Charlie Miller
1,169
5th January 2009 - 05:28 PM
Last post by: Charlie Miller
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Topic has attachmentsComparing Stinger and Ray-o-Vac light bulbs
Stinger electric specs needed
Charlie Miller
577
31st December 2008 - 08:21 AM
Last post by: Charlie Miller
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Ken Miller
3,253
22nd December 2008 - 12:59 PM
Last post by: Ron Walker
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Ken Miller
900
5th December 2008 - 06:21 AM
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Ken Miller
3,274
4th December 2008 - 07:40 PM
Last post by: Owen Phairis
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Ray Worthy
844
24th November 2008 - 05:48 PM
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Ray Worthy
644
24th November 2008 - 09:01 AM
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Topic has attachmentsA Million Stars
Takayuki Ohira projectors
Ray Worthy
808
15th November 2008 - 12:07 PM
Last post by: Ron Walker
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Ray Worthy
467
11th November 2008 - 07:23 PM
Last post by: Ray Worthy
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