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  1. Primary mirror boundary layer
  2. Looking for ST-4 protocol
  3. Bending a Stainless Steel Threaded Rod
  4. servocat on 12" lb
  5. C11 collimation with artificial star
  6. Gemini Power Supply
  7. DC Motor - How Do I Make it 1RPM?
  8. Solar Filter Making Help for LX200 SCT
  9. Mirror Cell to suit a 17.8" Coulter Mirror
  10. kit to build dew heater controller???
  11. Stepper motor/controller software source?
  12. Performing a lobotomy on a sonotube
  13. How To: Fitting DSC's to a 16" Lightbridge
  14. CG-5 Parts
  15. turntable
  16. Intervalometer project Arduino programming question
  17. Adding ST4 port
  18. Advice please - Fitting Protostar or AstroSystems secondary holder
  19. Driving a 5 phase Vexta stepper motor
  20. Removing paint and gunge from inside OTA
  21. Truss design question
  22. Crayford build
  23. Tube size for 10" F/4 Newtonian
  24. Imageshift Reduction cheap and easy
  25. Wedge for Celestron CPC1100
  26. ATM DIY sources- non astro
  27. Help
  28. Build Progress
  29. scope finished
  30. Second mounting on a pier.
  31. Sourcing Large, light, fast Newtonian mirrors?
  32. Optical Supports new Mirror cells
  33. Advice please - Need help choosing secondary.
  34. Newtonian experts - help adjusting a NOVAK cel
  35. Stalling Stepper/Gearbox
  36. Latest scope - 18"
  37. Another project ....
  38. 12.5" Newtonian Astrograph for SLATO
  39. 16" F4.5 Rebuild
  40. spider photo's
  41. Removing boundary layer with fans
  42. Some thought on cooling my C14
  43. Fixing tilt on a GSO 10:1 focuser
  44. Knobs and things
  45. Auto aligning pier plate
  46. mirror cell
  47. R.A and Dec Brake and clutch designs
  48. convert 8 inch F6 newt to F4
  49. Nichrome wire
  50. Converting my Spotting Scope to Guide Scope
  51. Creating a Polar Scope
  52. 4 channel PWM Dew heater
  53. Reflector Optics
  54. Setting circles - laser cut?
  55. Where can I get Tube & Tube Insert's for Dob in Sydney?
  56. Metal tripod mod?
  57. Best place to buy a mirror in Aus
  58. Article: Dew Heater Control and the Arduino
  59. Article: Remote Focus Control for LX90 and Similar Telescopes
  60. Article: An Adjustable Illuminated Finderscope
  61. Free keypad/remote repair in Newcastle area
  62. Gear and toothed sprockets
  63. How to make a Home made Spider for 16" Dob?
  64. Looking for ultra high definition image of Jupiter
  65. Equatorial Mount Brainstorm
  66. Longer Newtonian Collimation Bolts - Has Anyone Tried Them?
  67. DKD chinese made large refractor lenses on EBAY
  68. cleaning a corrector plate
  69. Thousand Oaks Dew heater information needed.
  70. Mylar vacuum mirror
  71. codewheel generator for diy optical encoders
  72. Custom Adapters needed - who does these?
  73. Better Camera adaptor
  74. MAJOR Dew Problems - Broken Controller or Heaters?
  75. Help in Upgrading a focusing device please
  76. Build advice please ..
  77. At last, my new Dob base!
  78. 24" Mirror Grinding and Polishing Machine
  79. Dob cover
  80. Spotlight adhesive backed felt?
  81. Mod Sony DSLR
  82. GEM Books?
  83. 10 inch Travelscope
  84. Motor drive to dosonian
  85. Remoting your electric focuser
  86. DIY German EQ mount
  87. NEW USB hardware interface from Dontronics
  88. Help in modifying a PST
  89. Dob base build question
  90. Chop Shop...
  91. Helical focusers for Telescope making workshop
  92. Altitude & azimuth calibrations, free to good homes.
  93. Adding Fan to 8" primary mirror.
  94. Odyssey Rebuild - 3 pole truss
  95. EQ6 belt drive mod
  96. Mirror Cell holders
  97. Modified Canon EOS Battery Grip
  98. The Duckadang Celestron Orange C14
  99. 'Scooter' the lightweight GEM
  100. spring dob mod
  101. Does Mono DSI need a UV filter for guiding?
  102. Power isolation question
  103. Bearings supplier
  104. Discharging capacitors
  105. SecondScope
  106. New home for a 10" newt mirror
  107. Replacing GSO Secondary
  108. Help with tube
  109. Value of a GSO 16" F4.5 Mirror ?
  110. theoretical and usefull max focal length
  111. Refractor tube advice
  112. A Plug, aplug: my kingdom for a plug
  113. New focuser!
  114. HELP :d
  115. How to modify a 6inch newt for imaging
  116. DIY: Seperating a Meade ETX105 OTA from its Base
  117. DIY Motor Focuser
  118. All DOB Builders
  119. Help on small LED circuits
  120. Skywatcher 10" Dobsonian ---> Astrograph
  121. Melb laser cutter
  122. New 20" F3.6 Truss build
  123. Sold tube to truss
  124. Q: angular separation of alt. bearing Teflon pads?
  125. Fast focal ratio newt? is it possible?
  126. Dome functional Red lighting suggestion
  127. Azimuth Setting Circle in Vector (SVG) Format
  128. Secondary Glue/Tape
  129. aluminium tube
  130. Replacing Newt. Secondary
  131. Pick n pluck foam
  132. maybe this is not such a good idea
  133. Stepper motor question
  134. What to do with an old camcorder-Infrared
  135. 5'' eq transfer to dob
  136. Calculating Full illumination circle
  137. 200mm GS DOB Reborn
  138. DMK21 sensitivity mod for the brave
  139. RA and Dec Drive motors
  140. Ideas most horrid
  141. Help needed - finderscope conversion to guide scope project
  142. Dob base Alt housing
  143. My Polar Square
  144. Anti-flare mirror mod
  145. Great Repair to faulty Keypads on Autostar Etc
  146. My lathe is dying....
  147. AN Az timing pulley
  148. Help - Sticky Dob
  149. 10" Wooden Tube Dob
  150. Losmandy Power Cable
  151. Tempted to spray LB trusses black, thoughts?
  152. Passive mirror cooling
  153. Built my own solar system model
  154. I cleaned my primary mirror successfully!
  155. Garage Door Opener
  156. Dew Shield Help
  157. Should a 1mm layer of dust affect a mirror's performance??
  158. New dobbie mount for 8" f/4 OTA
  159. Any issue with drilling top of LB truss for argo holder?
  160. Dobs and binoviewer
  161. cardboard 130mm tubes
  162. Can anyone tell me where to buy????
  163. New dobsonian
  164. ATM-optics query
  165. My new DOB design
  166. 316 Grade Stainless Steel
  167. Anyone know how to make a 12v PS variable?
  168. Manual control flexible cable for alt & az on dobs.
  169. hello all need some assitance
  170. Objective lenses for refractors
  171. 16" full-thickness mirror blank
  172. How to attach a focusing mask using a sewing hoop
  173. Locating a Tube
  174. Help with 12v system.....
  175. Help. Looking for a Sony HAD chip for DSI III OSC
  176. need some help from perth
  177. Hypertune horror-M42 & M83 added
  178. "Squaring" a focusser
  179. 100mm binoculars lens in a telescope
  180. EQ6 Hypertune
  181. Wireless USB hub
  182. Replacement Filter
  183. Peltier Cooled Fridge Mark III Started Testing
  184. Finally bit the bullet-Cooled modded 40D v1
  185. Need help designing a newt
  186. Peltier Cooler Box
  187. 17.5" reincarnation: part 2
  188. Cheap optical encoders, idea for DIY
  189. A Couple of Mods to the 22 Incher
  190. Info wanted on old Aust made Mount/scope
  191. AWR Intelligent drive system
  192. Peltier Cooled Fridge Mark III
  193. Alloy Tube and Rings
  194. 8" minidob
  195. Krylon Ultra Flat Black
  196. Home built- Pistol grip trigger
  197. electroluminescent panels, lightboxes, and banding issues
  198. Cooling Eski
  199. Cheap guiding alternative with Q-guider
  200. Soldering tips
  201. Mods for secondary knobs
  202. Canon D40 Cooling pictures.
  203. Fridge By Leon Style, Oh Dear..
  204. Small head Cap screws for ADM/Losmandy dovetails
  205. 32 inch Relay-Cassegrain Telescope
  206. QHY8 Power supply
  207. Startech FANCSORB
  208. Peltier Cooling Bench Top Trial
  209. ISS plastic model kit
  210. Online Shopping
  211. Excalibur Screwbolts? Are they the hold down I need?
  212. Hmmm Volts and stuff
  213. Attaching a Gstar CCD camera to a Peltier cooler.
  214. astro photography with old lens.
  215. Sbs atm
  216. Heads up for ATMers : good (cheap) supplier of carbon fibre cloth
  217. Tracking/guiding mods to an EQ5C with basic 2-axis motor control?
  218. Upgrading to a carbon fibre tube so I will have a flocked tube looking for a home.
  219. One Off PCB making at home
  220. Aircable power question
  221. SM40 to ED80 Adapter
  222. Peltier cooling a DSI II
  223. 152mm f/7,5 4 lens superapo build
  224. Selleys All Clear silicone for attaching secondary.
  225. Front Surface Mirror
  226. Sourcing micro bearings
  227. Gel Power
  228. Moving-Object Tracking (Made Easy)
  229. Mirror re-aluminising
  230. Cheap alum obs chair
  231. Peltier-less Cooling
  232. Bino Viewing made easy
  233. copy/modification parallelogram mount
  234. multimeters - am I doing it wrong?
  235. Cooling Fan Alternative
  236. Canon 200mm f2.8 FD->EOS lens conversion
  237. First light for new 20" compact dob
  238. GEM to Dob
  239. Where to find simple bearings for a tracking platform?
  240. New Alloy Reflector
  241. Premo secondary upgrade - Better = YES
  242. Formatube supplier in Newcastle
  243. Rolled Al tube option for newtonian
  244. Cheap Image stabiliser/Shake deadener for DSLR and P&S cameras.
  245. Motorised focuser (Bartels system)
  246. beginner ATM help: finderscope to focuser
  247. Has anyone made bartels or Ek's box or similar
  248. Dobsonian mount for 8" OTA
  249. Harmonic Drives in Mounts
  250. Solar filter