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Observatory Central > Planetarium Forum > Planetariums as a hobby > Home Built Optical Planetariums
  1. Pinned: Bulb Table (7 replies)
  2. Pinned: Drill Bit Table for Star Holes (4 replies)
  3. Building a home planetarium from scratch (119 replies)
  4. Fisheye Lenses on Incandescent Bulbs (40 replies)
  5. Christmas ... Hope you all have some nice moments (2 replies)
  6. Updates on my home built projector (5 replies)
  7. From: the quest for cheap LENSES! (208 replies)
  8. German youngsters win science fair with planetarium (26 replies)
  9. Modifying a Spitz Jr. (29 replies)
  10. Thoughts on building a star-cylinder projector (17 replies)
  11. Comet simulator (2 replies)
  12. Comparing Stinger and Ray-o-Vac light bulbs (7 replies)
  13. Home made planetariums (69 replies)
  14. Excellent mechanical orrery (4 replies)
  15. electronics 101 for home planetariums (92 replies)
  16. Pin Hole Projector Calculations (7 replies)
  17. Chart for Home Brew Spherical Planetarium (58 replies)
  18. Stephen Smith planetarium article (28 replies)
  19. Bulb needed for 6m dome (1 reply)
  20. what is it all about...? (5 replies)
  21. Beautiful LED- Planetarium in Augsburg, Germany (1 reply)
  22. Cylinders that might help a Do-It-Yourself-er (0 replies)
  23. laser home built planetarium (2 replies)
  24. Progress Report on my 16" star drum (42 replies)
  25. The Starball and the Art of Compromise (8 replies)
  26. The GEA project (69 replies)
  27. Cubic projector (3 replies)
  28. Historic Barn Star Show "The Barnetarium!" (17 replies)
  29. Most colorful stars (5 replies)
  30. Making Starglobes (8 replies)
  31. Star Globe Thickness (25 replies)
  32. And I Called It a Planetarium! (4 replies)
  33. Hipparcos Star Catalog & A mini star globe plan (4 replies)
  34. Star-Gate In A Romanian Village (6 replies)
  35. Home-Built Hand Held Pointers (34 replies)
  36. Thoughts on a light source (9 replies)
  37. The Cylindrical Starball (4 replies)
  38. A Million Stars (5 replies)
  39. A Simple independent Milky Way projector. (0 replies)
  40. The "Cubex" (5 replies)
  41. Georges. (7 replies)
  42. Saul One (3 replies)
  43. Stargazer One (1 reply)
  44. What is type of main lamps (2 replies)
  45. Upgrading a Simple "Night Sky Projector" (3 replies)
  46. Small Home Built Planetarium Projectors - Circa 1961-62 (29 replies)
  47. Stinger Power Supply (9 replies)
  48. Sega homestar disks (3 replies)
  49. Emmons starball (25 replies)
  50. Can anyone identify this projector? (3 replies)
  51. "Fiber-Arc" Technology (92 replies)
  52. Charle's star charts for projection (24 replies)
  53. EHOW article - BUILD A PROJECTOR IN 7 STEPS (0 replies)
  54. Starball globe size (5 replies)
  55. Pinhole type planetarium instrument - from everyday parts and materials (13 replies)
  56. globes globes globes! (19 replies)
  57. Electrical Slip Rings (25 replies)
  58. Building a star projector (50 replies)
  59. Lamps for Mechanical Projectors (99 replies)
  60. Mount Up! Mounting Your Home Planetarium (35 replies)
  61. Updated Bulb Data Table (4 replies)
  62. Making Planet Projectors (8 replies)
  63. First Attempts at Planetarium Building (31 replies)
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