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  1. Helical focuser
  2. Best noise reduction software
  3. Canon 5D MarkIV vs Nikon D850
  4. Lodestar pixel size in PHD2
  5. EQ6 RA guiding issues
  6. Another FLATS discussion
  7. green halos
  8. SBIG - sloppy USB
  9. From Ford to Ferrari; I hope
  10. Moire fringes with ASI 1600????
  11. 12" steel tube rc reduced at Andrews....
  12. Drying QHY9 Camera
  13. Dob on Equatorial Platform > Autoguiding
  14. Samsung G8 open wide
  15. "Color: From Hexcodes to Eyeballs"
  16. Trying to improve guiding numbers with PHD2
  17. Zwo ASI Cooled Mono , choice ?
  18. Christian Buil review of the ASI 183MM
  19. Focuser tilt or field curvature?
  20. The journey/story of a Canon 70-200mm F/2.8L Lens and the end result
  21. Scope Choice
  22. 135mm... Samyang or Zeiss?
  23. ASI224MC Moon with high FL
  24. EOS-EF lens to T thread?
  25. Video astronomy!
  26. Adding H-apha to OSC data?
  27. STC Dual Narrowband Filters for OSC/DSLRs
  28. Sony sensor issue
  29. Batch Preprocess with an SX CCD
  30. AZ-EQ6 Dual Mounting
  31. Aspect Ratio for Canon DSLR Live View
  32. ZWO Cool Mod
  33. CCD dark current vs temperature
  34. Imaging with PST
  35. First Light - Altair Hypercam 183C/WO Z61
  36. First light with ASI 183MM
  37. list of southern hemisphere mag four stars
  38. Warped stars and reflection?
  39. Wide field coverage refractor?
  40. Weird stars
  41. Mini-review of ASI 1600GT
  42. Opinions on ATIK428EX
  43. lodestar sensitivity
  44. PI FWHMEccentricity question
  45. Is this battery suitable?
  46. Imaging the Gabriela Mistrela Nebula
  47. Auto-darks
  48. RC8 star test - thoughts on Collimation?
  49. Why does PHD do this?
  50. 8300 Sensor Column Defects
  51. Where to buy a modded camera.
  52. focusing with a magnifying right angle finder
  53. modded camera white balance
  54. Imaging Effeciency
  55. Mono Ha Processing question.
  56. Newtonian flats without light leaks? Is it possible???
  57. ASI1600MM-C Version 1 - Dessicant discontinued by ZWO
  58. New ZWO ASI224MC pixel issue
  59. 7nm H-a with an OSC
  60. Rescue my newt! (please)
  61. Dust motes POST-PROCESSING
  62. Taking Flats - Problem revealed
  63. Looking for Image Processing Tutorials for students
  64. It's not easy being green - Image processing help request
  65. How do i tell if a lens is a Grey Import
  66. Sigma Lens Service Places
  67. New Guide Camera and more...
  68. F-ratio myth
  69. Optolong L-Pro Filter review
  70. New Skywatcher ED Guidescope
  71. diagnosing elongated stars
  72. Dark Sky comparison from Tamleugh
  73. Asi 183mm
  74. CCD Aging, Is this normal?
  75. How long exposure for dslr.
  76. What FF Canon is best for astro shots?
  77. From dpreview: bundled Windows stacking apps for macOS
  78. Mount Upgrade
  79. Taking Flat Field Frames
  80. Orion Deep space Video Camera
  81. No Y Axis Guiding AZ-EQ6
  82. Comparison of guidecams
  83. Skywatcher Mak-Newt MN190 for live view
  84. New mono camera considerations for a 9.5" f/7 instrument
  85. Astro-friendly accommodation in WA
  86. Astroimaging with an achromatic refractor
  87. How do I calculate how good my guiding needs to be
  88. New Dual Narrowband Filter for OSC
  89. Canon 60Da: Are there any drivers available?
  90. Light polution filter dslr
  91. Light polution filter dslr
  92. Did anyone image Simeis 147 ?
  93. HELP - My telescope doesn't know where it is
  94. Announcement regarding QSI (Quantum Scientific Imaging)
  95. Lunar eclipse Jan 2018 options
  96. New easy to make shutter cable for Canon/Nikon
  97. Planetary imaging camera recommendations
  98. Calibrating with darks in pixinsight - ASI071 camera
  99. Kendrick dew heater and RC8
  100. When Summer Heat Defeats Imaging - ASI1600 Cs
  101. Calculating Ideal gain and offset for QHY8
  102. ASI1600MM-C Servicing
  103. Night Crawler 3" version
  104. Cloud Free Night
  105. Thin Tilt Adapter
  106. Nikon lenses to CCD?
  107. Star Substitution Question
  108. How dark is your place???
  109. EAA thread
  110. Focal Reducers
  111. Fabian Neyer Star Removal Method for PI
  112. Which guidecam
  113. Canon EF 1.8 focus not evenly distributed ?
  114. colour balance with CLS filter
  115. List of narrow band targets?
  116. Cooled CMOS advantages
  117. [Solved] EQMod and NEQ6, a tale of love and hate
  118. Guiding question/troubleshooting
  119. Polar aligning CGEM
  120. QSI stopped manufacturing astro cameras
  121. RC8 and Meade F6.3 reducer
  122. ZWO ASI 094 issues
  123. Heq5 Pro Guide Stars
  124. Astro Photo Printing - Current Best Choices
  125. Anyone know how to release stuck apature blades
  126. Err, I reckon I stuffed my Canon 70-200mm F2.8L Lens
  127. Meade 12" F8 ACF Reducer
  128. What focal length?
  129. How many filters?
  130. LiteCrawler
  131. ASCOM driver for the Sony A7s
  132. Possibly Sony's new embodiment of ICX694 ?
  133. Baader refractive index
  134. Debayered sensor report from ChipMod
  135. ZWO OSC advice
  136. A flattener for fsq-85
  137. Camera simultions in Excel
  138. Good spots for astro
  139. Two f6.3 reducer adventure
  140. ZWO power supply
  141. General imaging questions
  142. Processing
  143. ZWO AS109MC pro or Nikon D810 cooled?
  144. Internal Reflections on CMOS Mono Sensors
  145. PHD2 calibration and drift alignment
  146. Guiding an RC at 1500mm - best PHD settings... (Update below - thoughts?)
  147. Samyang 24mm focus issue :(
  148. C9.25 Reducer and corrector
  149. focus motor
  150. Which mono camera for my 80mm triplet.
  151. Thoughts on strange artefact in image
  152. Which guide cable to use?
  153. Comparison of QHY168 Mono vs QHY168 Colour
  154. ASI1600MM-C checkerboard pattern
  155. Time efficiency simulations of three cameras
  156. Combining data with different levels of light pollution?
  157. ASI1600MM-Pro in Beta
  158. FLI Atlas Backlash settings
  159. Messier Marathon
  160. Qhy168c
  161. Video Imaging DSO
  162. LRGB Processing ?
  163. Hyperstar on Edge HD8, anyone doing this?
  164. Samyang 135mm f2 lens????
  165. Here come the clouds ..
  166. Qhy23 ccd
  167. New cameras by SX
  168. Imaging at F/8 - Worth it?
  169. FLI Kepler anyone?
  170. which active optics
  171. 50mm f/1.8 or f/1.4
  172. Definitive guide vs image relationship
  173. Flattener and reducer for RC
  174. DSLR Mod
  175. QHY5 Mono not working on Windows 10
  176. Best monitor for astro image processing?
  177. Lumicon night sky H alpha filter
  178. An interesting comparison
  179. Sensor Size, implications of CMOS Full Frame
  180. ZWO Full frame CMOS released
  181. Off axis guiding with RC scope - badly shaped stars
  182. Nikon DX to FX upgrade for astro
  183. What are your QHY12 Gain and Offset settings?
  184. Full Frame, Aps-C etc.
  185. guiding
  186. Astrotortilla won`t work
  187. ASI1600MM-C noise
  188. Good quality M48 to EOS adaptor.
  189. When and why do you upgrade your camera?
  190. Weird flats
  191. SharpCap
  192. Galaxy AP, minimum FL required?
  193. Using "cheap" objective and filter.
  194. How much noise is noisy?
  195. ZWO Miniguide Camera in Beta Test
  196. ASI ZWO 120MM for guiding
  197. Guidance on guiding please!
  198. Maxim DL6 problem
  199. Anyone familiar with Borg scopes?
  200. D850 specs leak
  201. Sub exposure tables for ASI071 and possibly QHY168C
  202. ASI1600MM-C Hot Pixels
  203. ED80 vs F4 150mm newt
  204. Best OSC for planetary and small dso's?
  205. Autofocus with Moonlite Focuser
  206. FS 106N owners -extender question
  207. ZWO or ATIK desiccant tablet size
  208. QHY9 Colour with Nebulosity 2.5
  209. What do your Planet Capture Video's Look Like, here's mine
  210. Power Supply for Nikon D5300
  211. Aligning piggybacked scopes?
  212. TS 80 f7 doublet or 80 f6 triplet.
  213. What camera to buy.
  214. dark scaling with CMOS asi1600
  215. Modding Nikon D5300 -D5600s
  216. Meade Acf
  217. Newbie narrowband questions
  218. Comparing Nikons D5300, D5500, D5600
  219. Your Focal Length Spread?
  220. USB3 issues solved
  221. Wish me luck- another setup!
  222. Help with the Helix
  223. MaxIM DL 5 SBIG issue
  224. auto focus FS 106 tips from wise old astro Elfs
  225. Petition against Sony's Star Eater
  226. ATIK is looking for beta testers
  227. New Dslr and guidescope mount setup.
  228. Widefield - Lenses or scopes
  229. Creating an astro consumer digital camera list
  230. MTF explained
  231. Guide camera options.
  232. HEQ5 update/control cable
  233. Guide camera..old DSLR?
  234. Any professional modders?
  235. Applying channel multipliers
  236. distance formula
  237. Fuses
  238. 72mm to 48mm adapter
  239. Sony cam Redux with the Royce 10 inch
  240. Lense Recommendations for Nikon, Milky Way widefield
  241. QHY colour filter wheel fault
  242. What type of white balance do you use for your nightscapes?
  243. new full frame camera advice (OSC)
  244. Camera to match a 80mm f4.7 APO
  245. Help to decipher this error message
  246. SNR query on NB subs
  247. Imaging with 12"SCT & 3.3 Reducer, How Feasible ?
  248. Large virtual scopes on the cheap?
  249. High Res at F/2.8-4 or Low Res at F/1.4?
  250. Tokina AT-X 116 PRO DX-II 11-16mm f/2.8 Lens for Canon