IPB

Welcome Guest ( Log In | Register )


3 Pages V   1 2 3 > Start new topic
Home Built Optical Planetariums
    Topic Title
Replies
Topic Starter
Views
Last Action
No new Pinned
Pinned: Topic has attachmentsBulb Table
Lamp Data
Ken Miller
6,393
5th March 2015 - 10:56 AM
Last post by: Ron Walker
No New Posts Pinned
Pinned: Drill Bit Table for Star Holes
How Low Can You Go!
mrgare5050
5,068
26th August 2008 - 07:33 PM
Last post by: ltkhoover
Forum Topics
No New Posts  
beardless
37
5th December 2018 - 03:34 PM
Last post by: Ron Walker
No New Posts  
jmarmor
2,840
3rd October 2018 - 01:01 PM
Last post by: Ron Walker
No New Posts  
Topic has attachmentsJamie's Planetarium MKII
A fully optical projector
Philostopher1
146
13th September 2018 - 05:51 PM
Last post by: moonmagic
No new  
Topic has attachmentsFrom: Jamie's Planetarium  * 123» 11
From Topic ID: 25344
Philostopher1
9,412
13th September 2018 - 04:48 PM
Last post by: Ron Walker
No New Posts  
Topic has attachmentsWho built this?
Home made Star projector UK
Philostopher1
548
29th July 2018 - 09:44 PM
Last post by: Philostopher1
No New Posts  
Topic has attachmentsPlanetarium Orrery Automata
Van Cleef and Arpels Planetarium \ Orrery Watch
Philostopher1
808
3rd July 2018 - 11:43 PM
Last post by: Philostopher1
No New Posts  
Topic has attachmentsStar Plates
Making star plates and Plotting to Truncated Icosahedron
Philostopher1
460
15th June 2018 - 05:57 PM
Last post by: Strgzr
No new  
Barnetarium
6,297
7th June 2018 - 01:29 PM
Last post by: mrgare5050
No new  
Scott T
1,505
23rd May 2018 - 04:28 PM
Last post by: Ron Walker
No new  
Tim Mitchell
26,413
24th April 2018 - 11:03 AM
Last post by: Ken Miller
No New Posts  
Topic has attachmentsDIY simple Lenses
Making lenses for better stars
Philostopher1
763
3rd April 2018 - 06:37 PM
Last post by: Philostopher1
No new  
Topic has attachmentsPin Hole Light source via LED  * 12
Cree LEDs, Smartphone lenses and light pipe homogenizers.
Philostopher1
2,166
19th February 2018 - 10:02 AM
Last post by: Ron Walker
No New Posts  
Who built this?
Home made Star projector UK
Philostopher1
345
3rd January 2018 - 03:55 PM
Last post by: Philostopher1
No New Posts  
Light Emitting Plasma Sources
Plasma emitters as potential point sources
Philostopher1
476
17th August 2017 - 10:42 AM
Last post by: Ron Walker
No New Posts  
Topic has attachmentsLEDs with hexagonal emitters
no square stars!
Philostopher1
604
10th August 2017 - 12:28 PM
Last post by: Ron Walker
No new  
Ron Walker
54,956
6th July 2017 - 10:57 AM
Last post by: Ron Walker
No New Posts  
heptacloro
741
16th December 2016 - 11:20 AM
Last post by: Ron Walker
No New Posts  
Topic has attachmentswhat is it all about...?
strange fascination about the stars inside a room
Bossard
3,898
2nd December 2016 - 04:04 AM
Last post by: mrgare5050
No New Posts  
Topic has attachmentsNew Planetarium
From starball to operational planetarium
tomoarnold
3,205
29th April 2014 - 03:32 PM
Last post by: moonmagic
No New Posts  
Topic has attachmentsBulb question
what bulb is best for a small projector?
Ron Walker
3,546
21st April 2014 - 11:03 AM
Last post by: Ron Walker
No new  
Charlie Miller
4,934
4th November 2013 - 04:03 PM
Last post by: tomoarnold
No new  
Topic has attachmentsBuilding a home planetarium from scratch  * 123» 6
or, what possessed me to start this
Ron Walker
55,174
9th January 2013 - 10:44 AM
Last post by: Ron Walker
No new  
Ken Miller
24,991
27th December 2012 - 11:13 AM
Last post by: mrgare5050
No New Posts  
Charlie Miller
1,919
24th December 2012 - 10:46 AM
Last post by: Ron Walker
No new  
mrgare5050
242,400
19th October 2012 - 10:06 AM
Last post by: Ron Walker
No new  
Topic has attachmentsGerman youngsters win science fair with planetarium  * 12
homemade optical starball system
albert
15,855
18th August 2012 - 02:45 PM
Last post by: Ron Walker
No new
Topic has attachmentsModifying a Spitz Jr.  * 12
I am still not finding some basic information
flyboybc
15,671
7th August 2012 - 04:21 PM
Last post by: Ron Walker
No new  
Thoughts on building a star-cylinder projector
manuscript under development
Charlie Miller
6,956
20th September 2011 - 12:35 PM
Last post by: Ron Walker
3 Pages V   1 2 3 > Start new topic
1 User(s) are browsing this forum (1 Guests and 0 Anonymous Users)
0 Members:

New Posts  New Replies
No New Posts  No New Replies
Hot topic  Hot Topic (New)
No new  Hot Topic (No New) 
Poll  Poll (New)
No new votes  Poll (No New)
Closed  Locked Topic
Moved  Moved Topic
 



Remember these options

Lo-Fi Version   
Time is now: 9th December 2018 - 06:13 PM
Skin by ibskins