The Pentax 5mm XO: A Planetary Weapon of Choice [User Review]  | 11/06/09 | by William Paolini The Pentax 2.5mm and 5mm XO series of eyepieces ("O" for visual Observation) were released by Pentax for the 2003 Mars opposition event. Based on my resear. . . Baader Planetarium 36mm Hyperion-Aspheric Modular Eyepiece [CN Report]  | 11/04/09 | by David Knisely Wider-field "budget" eyepieces seem to be all the rage these days. Some are not all that great in the performance department (especially in faster scopes),. . . What's Up Aquarius [Article]  | 11/02/09 | by Steve Coe Aquarius is a very fun part of the sky. There are some great objects to observe and a fun variety of different types. Seeing the Water Jar asterism move up. . . The Double Cluster and Friends [Article]  | 11/02/09 | by Phil Harrington Of the dozens of open star clusters that dot the autumn sky, none is more popular among binocular stargazers than NGC 869 and NGC 884, the famous Double Cl. . . November Skies 2009 [Article]  | 11/02/09 | by Dick Cookman Highlights: Comet Journal, Martian Landers, Planet Plotting, Meteors, Depths of Space, November Moon. . . Lab Test and First Light Report of 2" Zhumell Filter Set [User Review]  | 10/30/09 | by Shekar Govindaswamy My interest in astronomy started when I was 15 and saw Haley¡¯s comet through a pair of Bushnell binos. I had always wanted to buy a telescope but growing . . . Orion 120 mm F5 Short Tube Achromatic Refractor [User Review]  | 10/30/09 | by Richard Evans After owning the scope for a while, I decided to try some color deep sky imaging with it. My thought was that maybe problems caused by chromatic aberratio. . . Optec Libra Alt-Azimuth Dovetail Adjustment Plate - an Early Adopters Perspective [User Review]  | 10/27/09 | by Dave Wagner Being "advanced middle age" and having two boys in school doesn't leave a LOT of free time. Sometimes learned the hard way, but more by nature, I am strong. . . Going Retro [Article]  | 10/26/09 | by Jeff Blazey Last night I spent some quality time with one pair each of old Vixen/Celestron 25MM and 17MM Kellners in my DenkII binoviewers. . . Imaging with the Astro-Tech 66mm Refractor [User Review]  | 10/21/09 | by George Kolb The AT66 is a 66mm diameter cemented doublet, 400mm focal length, f6 instrument. There are many reviews available that detail the visual capabilities of th. . . The Red Sirius [Article]  | 10/21/09 | by Craig Crossen One of the most vexing problems of the history of astronomy is the fact that, though today Sirius is conspicuously blue-white in color, every Classical . . . StarCalc – Still Around and Still Useful [User Review]  | 10/20/09 | by Pierre Stromberg Many folks have strong feelings and attachments regarding their planetarium software and it often suits their individual needs. For casual sky observers. . . 15mm Celestron Axiom LX [User Review]  | 10/19/09 | by Michael Daugherty My purpose in writing this review is, of course, to share my (rather limited) knowledge and experience with the community and, hopefully, make some futur. . . Skywatcher 120/600 Short Tube Achromatic Refractor [User Review]  | 10/19/09 | by Bob Keats I'm an amateur astronomer in Austria, having reignited my interest in the hobby some seven years ago, by purchasing a Synta 50mm, single lens objective sco. . . Explore Scientific 6" f/6.5 Refractor [User Review]  | 10/16/09 | by Karl Krasley The package includes a 6" f/6.5 tube assembly (about 21 lbs.) with a cradle that has a handle, a 2" diagonal, a wide-field 20mm (1.25") eyepiece, a 8x50mm . . . Double Stars for Small Telescopes: Sissy Haas (2006) [User Review]  | 10/14/09 | by Charles P. Sands Pages 1-7 are an introduction to double stars, some history of observing and cataloging them, star magnitudes, the Greek alphabet, etc. . . What’s Up Cygnus (2) [Article]  | 10/13/09 | by Steve Coe From my viewpoint in Arizona Cygnus is "the constellation that never goes away". . . . SHOWDOWN: The iOptron CUBE PRO vs. The Nexstar GT Mount [User Review]  | 10/13/09 | by John Cameron As promised in my April review of the iOptron MiniTower, I purchased and have spent many hours testing the iOptron Cube Pro. . . Simple ALT/AZ Mount [User Review]  | 10/13/09 | by Tom Duncan I almost walked past the "cheap scope" at a flea market recently but something about it caught my eye…. . . The 22" Obsession Ultra Compact [CN Report]  | 10/12/09 | by Tom Trusock Tom spends an evening with the new 22" Obsession Ultra Compact.. . . Meade ETX-LS - My First Telescope [User Review]  | 10/12/09 | by John Trudeau After some research into purchasing my first telescope, I decided on the Meade ETX-LS 6 ACF. . . Galileo's Telescope [Article]  | 10/12/09 | by Cathy James I doubt there are many amateur astronomers out there who are unaware that this year marks the 400th anniversary of Galileo's discovery of. . .