ZWO EAF Electronic Focuser Review

ZWO EAF 5V electronic focuser

ZWO – EAF 5V (Electronic Automatic Focuser) Price: $199 as of the time of this review (accessories sold separately). See current price Price $248 with accessories See current price Manufacturer: ZWO Introduction When is comes to astrophotography equipment and achieving the best images, experienced astrophotographers know that precise telescope focusing is critical. You could spend … Read more

Pegasus Powerbox Advanced Gen 2 Review

Pegasus Power Box Advanced

Pegasus Powerbox Advanced Generation 2 Price: $324 Manufacturer: Pegasus Astro Introduction Experienced astrophotographers know that technology has made this hobby much easier than it was 20 years, or even 10 years ago. Technology has allowed much of what we do to be automated. This type of automation requires power, and power requires cables. My setup … Read more

Introduction to Image Calibration

Calibration Caliper

What is Image Calibration? Image calibration is the process of correcting light frame images for extraneous information captured in the image that is caused by sensor noise, thermal noise, variations in pixel sensitivity and irregularities in the optical path, such as dust shadows. Calibration is typically done by correcting the light frame image with:1) Bias … Read more

William Optics FLT120 Telescope Review

William Optics FLT120 Refractor Telescope with Lens Cover and Mounting Rail

Name: William Optics Fluorostar 120 (FLT 120) Price: $3298 Specs: Focal Length 780 mm, aperture 120 mm, f 6.5, weight 7.2 kg, length 680 mm with dew shield fully retracted, 850 mm with dew shield fully extended, image circle 43 mm (with separate field flattener). Fluorostar 120 Features The Fluorostar series is one of several … Read more

My Astrophotography Equipment

My Equipment in Back Yard

My Equipment I live in a highly urban area with a Bortle value of around 8 or 9. I finally ditched the mostly reliable Meade LX 200 classic that I have had since 1996. It was a real workhorse in its time, but as equipment technology advanced, it became harder and harder to integrate into … Read more

How To: Astrophotography

There are several considerations when deciding to pursue the hobby of astrophotography. Budget should be the first thing you think about. This hobby can be quite expensive if you want the most sophisticated equipment available. But you really don’t need to break the bank when making important choices. The learning curve is steep, although automation … Read more

About Patrick – Author/Contributer

Astrophotoguru Patrick

  Who am I?   My name is Patrick. I grew up in suburban Ohio. It was never possible to truly see the Milky Way, but I have always had an interest in astronomy. I remember looking at my first view of Saturn in a telescope and being disappointed, hoping to see these magnificent, colorful … Read more