TEC 140 vs. Ceravolo HD145 Refractor Shoot Out
By Daniel Mounsey Let me know of any tech errors as I am exhausted from last night. It’s time to…
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The Night Sky Observer’s Guide : Vol. 1 (Hardcover)
By Daniel Mounsey This was a tremendous undertaking so I have to give credit there. I realize everyone else is…
Refractor vs. Reflector Telescopes
By Daniel Mounsey These observations took place during the 2003 Mars opposition near Mt. Wilson California. I have tested dozens…
TEC 140 vs. AP 140 Refractor Shoot Out
By Daniel Mounsey During PATS this weekend, a friend named Evan paid me a visit and we both decided to…
4 inch Hyper Shootout
By Daniel Mounsey INTRODUCTION Today we will compare 4” refractors on an unprecedented level. We will reveal which ones were…
Reflectors and Thermal Mismanagement
By Daniel Mounsey Over the past several years, a lot has been said about reflectors and their thermal behavior. Many…
Curved Spider Vanes
By Daniel Mounsey INTRODUCTION I have been a lunar & planetary observer for over ten years and have tested curved…
Tele Vue 13mm Ethos Eyepiece
By Daniel Mounsey INTRODUCTION This review focuses less on the technical aspects of the Ethos and more on my personal…
How to Get Optimum Performance
By Daniel Mounsey One of the things I’ve always admired about Bryan Greer is his quest to help observers realize…
Planetary Eyepiece Comparison
By Daniel Mounsey INTRODUCTION: I’ll just get it out in the open now. I have been asked if my views…