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Articles

Here are some writeups I've made on various topics in astronomy and imaging:

• Writeup about a cheap stepper motor solution for the focuser on my AT8RC
• Notes about usage of my AT6RC telescope, including collimation
• My Arduino ASCOM focus controller
• How to use an Arduino to build a digital setting circle
• Description of my imaging setup with a Canon 200mm SLR lens
• Howto for building a guide scope from an inexpensive finder scope
• Quick comparison of the GSO 200mm and TEC 140 APO for imaging
• CN Review of GSO 200mm f/4
• Test of imaging with a Canon Rebel Xt on a Takahashi FS-60C Doublet
• Example of using Lucy-Richardson deconvolution and DDP to enhance globular clusters
• Cheap adapter from Robofocus stepper motor to Moonlite focuser
• Demonstration of benefits of stacking many short exposures
• A comparison of the globular cluster M3 images with a 250mm and 200mm Newtonian.
• Example of using drizzle to enchance undersampled images
• Another example of using drizzle
• I caught a nova near M27 in one of my images