Refractor vs. Reflector Telescopes By Daniel Mounsey These observations took place during the 2003 Mars opposition near Mt. Wilson California. I have tested dozens… Continue reading “Refractor vs. Reflector Telescopes”…
Reflectors and Thermal Mismanagement By Daniel Mounsey Over the past several years, a lot has been said about reflectors and their thermal behavior. Many… Continue reading “Reflectors and Thermal Mismanagement”…
Curved Spider Vanes By Daniel Mounsey INTRODUCTION I have been a lunar & planetary observer for over ten years and have tested curved… Continue reading “Curved Spider Vanes”…