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Browse MacRobert, Alan M.

1-129 out of 129 article(s)
Title Type Date Words
Help track a fast eclipsing binary: SZ her performs every 20 hours--but not exactly like clockwork. Jul 1, 2007 1363
Pattern Asterisms: A New Way to Chart the Stars. Brief article Nov 1, 2006 125
Light-bucket eyes. Brief article Nov 1, 2006 194
A bright-moon Pleiades occultation: on the night of October 9-10, the waning gibbous Moon crosses the Pleiades for most of North America. Oct 1, 2006 404
An Atlantic solar eclipse: South America and Africa get a partial eclipse of the Sun on September 22nd. Brief article Sep 1, 2006 300
A Pleiades occultation before dawn: on the morning of July 20th, the crescent moon again crosses the Pleiades for eastern and central North America. Jul 1, 2006 679
Seeing isn't believing. Brief article Jun 1, 2006 182
Europe's partial solar eclipse: hundreds of millions of people are in line to get a partial shading on March 29th. Mar 1, 2006 387
Martian mellow yellow blues. Brief article Mar 1, 2006 263
The truth about "true color". Brief article Mar 1, 2006 201
A backyard guide to Saturn: shining in the east, Saturn may offer more than you expect. Feb 1, 2006 1270
When three equals two. Letter to the editor Feb 1, 2006 120
An amateur's treasure chest. Critical essay Jan 1, 2006 563
The Christmas-morning Spica occultation: start the holiday a special way this year: by watching the crescent Moon cover a 1st-magnitude star. Dec 1, 2005 433
Perseids 2005: right on schedule: the "Old Faithful" of annual meteor showers delivered nicely. Dec 1, 2005 525
Watching history happen. Oct 1, 2005 666
Image-stabilize your binoculars: this easy-to-build setup will let you get the most out of your binoculars. Oct 1, 2005 1120
Hubble's anniversary present. Sep 1, 2005 648
So you want giant binoculars ... two eyes are better than one. The RB-66 from JMI offers a two-telescope approach to two-eyed observing. Product/Service Evaluation Sep 1, 2005 1650
Fine year for a Perseid watch: the late-night sky will be moonless for meteor watching around August 11th and 12th. Aug 1, 2005 884
Meteors in the telescope: there are a lot more meteors than meet the eye--especially in mid-July. Jul 1, 2005 572
A fine Antares occultation. Jul 1, 2005 748
Dynamic Jupiter: an observing guide: there's always something happening on Jupiter, now on display in the evening sky. Here's your guide to what to hunt. May 1, 2005 1936
Two stellar opposites. Brief article May 1, 2005 181
3C 273: catch the brightest quasar: tonight you can find an object 1.9 billion light-years out in the evening deeps. May 1, 2005 689
The Moon occults fiery Antares: set your alarm clock to catch a Moon-and-star drama on the morning of March 3rd. Mar 1, 2005 1012
The closet whiz-by of Toutatis. Sep 1, 2004 1048
50 ways to lose your aliens. Book Review Mar 1, 2003 813
OGLEing new extrasolar planets. Jun 1, 2002 492
Binary quasar is no mirage. Jun 1, 2002 326
T Pyxidis: still hanging fire. Apr 1, 2002 541
Hubble peers into the Merope Nebula. Mar 1, 2001 257
A well-behaved exoplanet. Mar 1, 2001 361
Collecting Sirius binaries. Mar 1, 2001 522
A New Standard in Solar Filters. Brief Article Sep 1, 2000 932
July's Three Pacific Eclipses. Brief Article Jul 1, 2000 1057
Power vs. Pupil Size: Which Is Better? Brief Article Jul 1, 2000 446
Six 8-Inch Dobsonians : A Dobsonian telescope offers big aperture and easy, simple use at a low price. We compared the six competing 8-inch f/6 models to see how well each of them performs. Evaluation Jan 1, 2000 5646
An Observatory with Sails. Brief Article Dec 1, 1999 581
What You See and What You Get. Brief Article Oct 1, 1999 504
A Star-Hop in the Scutum Milky Way: Using this map with a backyard telescope, you can navigate to deep-sky sights you might have thought were beyond reach. Sep 1, 1999 2863
Solar Filters: Which Is Best? Jul 1, 1999 1932
The Moon Occults Regulus. Brief Article May 1, 1999 730
Gamma-Ray Burst Hunters Catch A Whopper. May 1, 1999 2417
The moons of Uranus and Neptune. Sep 1, 1998 855
The moon occults Aldebaran. Sep 1, 1998 679
Perseids in the moonlight. Aug 1, 1998 697
The Cygnus baseball diamond. Aug 1, 1998 847
Reactions from the locals. May 1, 1998 554
Venus and Jupiter are occulted together. Calendar Apr 1, 1998 344
Amateurs find a bright new Cepheid. Mar 1, 1998 459
The February 26th eclipse of the sun. Feb 1, 1998 1750
Latitude is everything. Jan 1, 1998 826
A star-hop in the heart of Orion. Jan 1, 1998 3120
Leonids in the moonlight. Nov 1, 1997 1152
Time and the amateur astronomer. Oct 1, 1997 1953
Tracking Jupiter's Great Red Spot. Sep 1, 1997 1320
An early-morning moon occults Saturn. Sep 1, 1997 979
Watching the Perseid meteor shower. Aug 1, 1997 2044
A binocular tour from Antares. Jul 1, 1997 1682
Caring for optics. Jul 1, 1997 1983
Star-finding with a planisphere. Jun 1, 1997 1220
SZ Herculis: a fast eclipsing binary. Jun 1, 1997 1466
A Galaxy-Hop in Leo. Apr 1, 1997 2521
Doubles in Leo: stars to relax with. Apr 1, 1997 1370
The return of Mars. Jan 1, 1997 2219
The return of Toutatis. Dec 1, 1996 3538
The spectral types of stars. Oct 1, 1996 2179
September's eclipse of the Moon. Sep 1, 1996 2970
Hale-Bopp update. Sep 1, 1996 571
A Serpens-Virgo star hop. Jul 1, 1996 1955
The sunrise ray in Hesiodus. Jul 1, 1996 965
R Hydrae's helium-shell flash. May 1, 1996 1532
So you think you've made a discovery .... Apr 1, 1996 1783
Celestial calendar. Apr 1, 1996 682
The lure of variable-star observing. Mar 1, 1996 1837
A star-hop from Gemini's feet. Feb 1, 1996 2419
Planetary occultations for 1996. Calendar Feb 1, 1996 1630
Refigure your mirror while you observe. Feb 1, 1996 1501
The stellar magnitude system. Jan 1, 1996 1669
Lunar occultation highlights for 1996. Calendar Jan 1, 1996 1788
Planning your Leonid watch. Nov 1, 1995 2192
Understanding celestial coordinates. Sep 1, 1995 1463
A star-hop from Mizar. Jul 1, 1995 2424
Dealing with dew. Jun 1, 1995 2149
The story of Lalande 21185. Jun 1, 1995 1349
The power of binoculars. May 1, 1995 1209
Saturn's rings turn edge on. May 1, 1995 3194
Beating the seeing. Apr 1, 1995 2679
April's occultation/eclipse night. Column Apr 1, 1995 4586
Star-test your telescope. Mar 1, 1995 3175
A star-hop from Sirius. Feb 1, 1995 2505
The first good eclipse of OW gem. Feb 1, 1995 857
The moon occults Spica. Jan 1, 1995 507
Close-up: the Double Cluster. Dec 1, 1994 798
Amateur astronomy's greatest week. Oct 1, 1994 1444
The rille in the Alpine Valley. Oct 1, 1994 574
A Cepheus star-hop. Sep 1, 1994 2143
The moons of Uranus and Neptune. Sep 1, 1994 763
Backyard 2030. Aug 1, 1994 1379

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