It’s time to start making plans for NEAF/NEAIC 2019! The events will again be held in at Suffern, New York just a short 30-minute drive from New York City. NEAIC The Northeast Astro-imaging Conference (NEAIC) will kick things off with two days of seminars and displays of interest to those […]
Author: Stuart Parkerson
Astrospheric is Hosting a “Sub Zero Winter” Astro Imaging Competition
Astrospheric has teamed up with OPT to host the “Sub Zero Winter” astrophotography competition. Targeted at North American imagers who brave the chilly winter nights, the contest is open to anyone who would like to participate. The theme for the inaugural competition is “Sub Zero Winter” and Astrospheric already has […]
nPAE Precision Astro Engineering is Hosting an Astrophotography Contest Focusing on Northern Hemisphere Objects
nPAE Precision Astro Engineering is hosting an astrophotography contest focusing on Northern Hemisphere Objects. The competition is free to enter, is open to all astrophotographers and group entries are also welcome. The closing date for submissions is March 31, 2019 with the winner announced May 1st. Photos can be of […]
Telescope Trade In Program for Lunt Solar
Dubbing its new telescope trade in program the “Lunt Solar Trade-Up” program, Lunt is providing an opportunity for individuals who own a used Lunt Solar Telescope or Filter to trade the equipment in towards the purchase of a new Lunt Solar product. Eligible trade-ins can receive up to 75% of […]
How to Clean a Telescope Mirror
We’ve all learned that you should only clean a telescope mirror when it is absolutely necessary, for fear of harming those delicate coatings. If you’ve got a reflector and you want a clean a telescope mirror, there’s no lack of recommendations for solutions to use – and the techniques are […]
The Vixen Polarie for Astrophotography
With the Vixen Polarie, Vixen offers this neat little device that looks kind of like a camera. In fact, it’s actually about the same size and weight as an old Leica M9. It even has a flash shoe! Doesn’t look like much, does it? However, if you own a basic […]
Light Pollution Filters from Chroma Technology
Astronomy Light Pollution Filters from Chroma Technology solve a big problem – Light pollution – every astronomer’s nightmare. Unless you’re lucky enough to live beneath a nice dark sky or have access to a remote observatory, you’ve had to learn to deal with unwanted light intruding on your pastime. I […]
Hubble Artificial Star for Collimation
Reasons to use the Hubble Artificial Star for Collimation? You can do it during the day. You can’t do it at high noon, but early morning and twilight hours are fine, twilight is best. You don’t have to worry about keeping a moving star in the field of view. I […]
Artificial Star for Collimation
I have been involved with astronomy for a number of years and building my own artificial star came naturally. As in so many hobbies, there are countless gadgets and doodads that can make your astronomy setup, alignment, and viewing much more enjoyable. Unfortunately for most of us, without the benefit […]
William Optics Zenithstar 61 Apochromatic Refractor
By Dr. James R. Dire In 2017, I picked up two new William Optics telescopes: a Twentieth Anniversary Edition Fluorostar 132 (132-mm f/7 triplet Apo) and a William Optics Zenithstar 61. In a previous article, I reviewed the Fluorostar 132. Here, I will review the William Optics Zenithstar 61. The […]
Focus Motor for Dual-Speed Telescope Focusers
By William E. Rison I needed an easily-removable focus motor for my Stellarvue SV80S and came up with the following design that uses a 12-volt DC motor, a wheel for building robots, a 3/4-inch x 3/8-inch x 7-inch section of aluminum bar, and a Vixen/Orion-style dovetail finder shoe. The basic […]
APM ED-Apo Binoculars
Ah the APM 82-mm 90-degree ED-Apo binoculars. Finding the right set of binoculars is like finding the right car. Or the right fast food hamburger. Or the right spouse. It can take a lot of trial-and-error, some near-misses, and some total junk, but in the end, if you persevere, sometimes, just […]