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Browse Walker, Sean

1-94 out of 94 article(s)
Title Type Date Words
Remote Imaging with Chileseope: We test an online telescope service with a focus on planetary photography. Dec 1, 2018 2358
What Makes a Great Astrophoto? Recognizing what goes into an outstanding image can help to improve your own work. Cover story Mar 1, 2018 2654
Huge storm rages on Neptune. Brief article Nov 1, 2017 127
Sky Guide: here's a great app for casual and experienced stargazers alike. Product/service evaluation Aug 1, 2017 1141
Explore scientific's 92[degrees] long eye relief eyepieces. Product/service evaluation Jun 1, 2017 446
Pushing the limit: an intrepid astro-imager goes where no amateur has gone before. Nov 1, 2016 966
Lunt Engineering 100 mm ED APO Binoculars: how do these premium 4-inch binoculars perform under the night sky? Product/service evaluation Sep 1, 2015 1278
Donald C. Parker, 1939-2015. Brief article Jun 1, 2015 266
Astrophotography today: advanced imagers define the trends of the 21st century. Feb 1, 2015 1534
Gallery. Jan 1, 2015 354
The Quark from DayStar filters: a new approach to affordable solar hydrogen-alpha filters. Nov 1, 2014 1302
Gallery. Brief article Oct 1, 2014 276
Spring into NEAF: the annual Northeast Astronomy Forum has something for every amateur astronomer regardless of age, experience, or field of interest. Aug 1, 2014 1090
The ASI120MM Camera from ZW optical: this highly versatile camera was made for planetary imaging. Jul 1, 2014 1583
Gallery. Jul 1, 2014 325
Gallery. May 1, 2014 351
Gallery. Feb 1, 2014 334
Gallery. Jan 1, 2014 257
Gallery. Dec 1, 2013 287
Gallery. Nov 1, 2013 370
The Baader Q-Turret Eyepiece Set: this modern take on a classic telescope accessory and eyepiece design is a boon for planetary observers and imagers. Product/service evaluation Oct 1, 2013 1665
Gallery. Oct 1, 2013 289
Gallery. Photograph Sep 1, 2013 396
Gallery. Aug 1, 2013 468
Gallery. Brief article Jul 1, 2013 288
Gallery. Jun 1, 2013 445
A planetary breakthrough: WinJUPOS eliminates the race against time in planetary imaging. May 1, 2013 1971
Gallery. May 1, 2013 410
Gallery. Apr 1, 2013 342
Gallery. Mar 1, 2013 303
Gallery. Oct 1, 2012 376
Gallery. Jul 1, 2012 351
Gallery. May 1, 2012 366
The imaging source DMK 21AU618.AS: is this the best planetary camera yet from imaging source? Product/service evaluation Apr 1, 2012 878
Improving your eclipse photos. Apr 1, 2012 951
Gallery. Brief article Dec 1, 2011 294
Gallery. Oct 1, 2011 312
Trading techniques: attending an astrophotography meeting can boost your imaging skills. Aug 1, 2011 1109
Planetary imaging primer: planetary observing today involves cameras as much as eyeballs. May 1, 2011 840
"Double-Stacked" P.S.T. Feb 1, 2011 584
Gallery. Brief article Apr 1, 2010 241
The right tool for the job. Brief article Mar 1, 2010 121
Gallery. Brief article Mar 1, 2010 296
Lunar landscapes with AviStack: a powerful freeware program takes your lunar images to the next level. Feb 1, 2010 1346
Gallery. Brief article Jan 1, 2010 283
Gallery. Dec 1, 2009 404
Gallery. Nov 1, 2009 321
Gallery. Oct 1, 2009 305
Starting in astrophotography. Brief article Sep 1, 2009 317
Gallery. Aug 1, 2009 419
Deep-sky tableboook. Book review Jul 1, 2009 106
Great imaging tools for eclipse chasers: new software makes it easier than ever to create stunning total eclipse images. Jun 1, 2009 2044
Our telescopic legacy. Movie review May 1, 2009 329
FLI's MicroLine ML83000: high resolution for small scopes: tiny pixels make this CCD camera a big chip in a small package. Product/service evaluation Apr 1, 2009 1572
A Better Backyard Guide. Book review Apr 1, 2009 331
DSLR camera for astronomy? Brief article Feb 1, 2009 204
HoTech SCA Laser Collimator. Product/service evaluation Dec 1, 2008 680
First look: totality 2008: far-flung expeditions pursue the moon's shadow. Nov 1, 2008 431
Infrared filters on cameras. Brief article Nov 1, 2008 210
Hefty Dob tracking. Brief article Oct 1, 2008 126
New RC astrograph. Brief article Oct 1, 2008 147
The biggest StarShoot. Brief article Oct 1, 2008 143
Making Beautiful Deep-Sky Images. Book review Jul 1, 2008 199
Smart astronomy's planetary eyepieces. Product/service evaluation Jun 1, 2008 463
Pacific eclipse impressions: the total lunar eclipse of August 28th appeared unusually dark to many skywatchers--but was it? Dec 1, 2007 464
Atik instruments ATK-161C. Product/service evaluation Nov 1, 2007 335
Creating and Enhancing Digital Astro Images. Book review Nov 1, 2007 189
A new planetary camera: new webcams from the Imaging Source are generating quite a buzz. Product/service evaluation Oct 1, 2007 1762
Challenges await at Uranus and Neptune: now's the optimum time to shoot for the outermost planets and their elusive moons. Oct 1, 2007 1033
Revealing the clouds of Venus: no longer considered a featureless cue ball, Venus presents a constantly changing face to patient imagers. Oct 1, 2007 1631
Veiled Venus. Brief article Sep 1, 2007 276
Digital SLR or CCD camera? Brief article Aug 1, 2007 232
Introduction to Webcam Astrophotography. Book review Jul 1, 2007 113
Comets enter the digital age: the great comet of 2007 was the first to grace our skies since digital photography went mainstream. Jun 1, 2007 1277
The STF Mirage 7 Mak: this premium 7-inch Maksutov-Cassegrain from Russia has caught the eye of Mak enthusiasts. Here's our take on its performance. Product/service evaluation Feb 1, 2007 1496
Uranus satellite shadow transit. Brief article Dec 1, 2006 136
The North America and Pelican Nebulae. Oct 1, 2006 432
Photoshop for astrophotographers. Book review Sep 1, 2006 564
Capture the Sun with your PST: high-quality hydrogen-alpha photography of the Sun can be done on a modest budget. Sep 1, 2006 1746
Premier planetary imager: a new camera raises the bar for solar-system photography. Product/service evaluation Jun 1, 2006 1968
Digital cameras exposed. Book review Mar 1, 2006 477
Deep-sky astrophotography 2005: fascinating new processing techniques, unexplored nebulae, and new tools for deep-sky imaging highlight a recent gathering of astrophotographers. Mar 1, 2006 965
Planetary processing with RegiStax 3: the latest release of this popular image-processing program incorporates new tools to enhance your solar-system photography. Dec 1, 2005 1065
Blueshift: Coronado's calcium-light solar telescope: the world's leading manufacturer of hydrogen-alpha solar telescopes turns its attention to the other end of the spectrum. Product/Service Evaluation Nov 1, 2005 985
Planetary masters: with Mars nearing opposition, now is the time to pick up tips from some of the world's best planetary imagers. Oct 1, 2005 1167
German equatorial "go to" mounts. Product/Service Evaluation Jul 1, 2005 869
Specialized planetary filters. Buyers Guide Jun 1, 2005 592
In pursuit of the ultimate image: the best imagers define the trends in high-end astrophotography. Apr 1, 2005 1199
A dance of light and shadow: natural-color image taken with Cassini's Narrow Angle Camera on November 7, 2004, through red, green, and blue filters. Mar 1, 2005 437
Binocular viewers. Mar 1, 2005 904
Hydrogen-Alpha viewing on a budget. Product/Service Evaluation Feb 1, 2005 1853
Image-processing prowess. Oct 1, 2004 1952
Compelling CCD Compendium. Book Review Sep 1, 2002 1192
Fixing vignetting in astrophotos. Sep 1, 2001 1426

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