ajs@hpfcla.UUCP (12/29/85)
If you are a casual sky-gazer like me, here's a big section for your 1986 calendar file. This is gleaned from many sources, including the Net and Sky & Telescope. No warranty express or implied; please post corrections if you have any. If nothing else, this could save you some typing. Alan Silverstein, Hewlett-Packard Fort Collins Systems Division, Colorado {ihnp4 | hplabs}!hpfcla!ajs, 303-226-3800 x3053, N 40 31'31" W 105 00'43" Jan 10 (-22) Voyager begins far encounter with Uranus Jan 12 (and 13) Crescent moon, Jupiter, Halley together, evening Jan 22 (-26) Voyager begins near encounter with Uranus Jan 23 Predicted entry into Uranus' magnetosphere if it exists Jan 23 23:41 occultation by rings of a 2nd magnitude star Jan 24 08:11 pass within 231,000 miles of Titania Jan 24 09:13 pass within 293,000 miles of Oberon Jan 24 09:22 pass within 79,000 miles of Ariel Jan 24 10:05 pass within 18,000 miles of Miranda Jan 24 10:17 ring-plane crossing (search for particles) Jan 24 11:00 pass within 51,000 miles of cloud tops Jan 24 11:20 Uranus occults a bright star Jan 24 11:28 Rings occult a bright star (Algol) Jan 24 13:25 Voyager passes through shadow of Uranus Jan 24 13:36 Uranus blocks radio contact with earth for 86 minutes Jan 24 13:53 pass within 202,000 miles of Umbriel Jan 24 14:45 Voyager comes out of the shadow Jan 24 15:00 Radio contact resumed Jan 24 20:42 High resolution search for auroras on Uranus' darkside Jan 25 Resume "far-Encounter" sequence Jan 26 (- Feb 25) Voyager begins post encounter with Uranus Feb 6 Mercury 0.6 south Venus, evening Feb 9 Halley's Comet perihelion, 0330 MST, 53.1M miles Feb 10 Jupiter 0.6 north Venus, evening Feb 17 Saturn 1.3 north Mars Feb 25 Uranus encounter complete Feb 28 Mercury greatest elong, 18 deg, evening Mar 6 Vega 1 (USSR) fly-by of Halley's Comet, 10000km Mar 8 Planet A (Japan) fly-by of Halley's Comet, 100,000km Mar 9 Vega 2 (USSR) fly-by of Halley's Comet, 3000-10000km Mar 13 Giotto (ESA) fly-by of Halley's Comet, 500km Mar 13 Uranus 0.3 south Mars Mar 20 Spring begins 1503 MST Mar 28 Int'l Cometary Explorer (NASA) fly-by of Halley's Comet, 3Mkm Mar 30 Moon occults Antares for western US and Canada Apr 9 Partial solar eclipse for Australia Apr 10 Halley's Comet outbound closest Earth approach, 38.8M miles Apr 13 Mercury greatest elong, 28 deg, morning Apr 24 Total lunar eclipse, start visible western North America May 24 Moon occults Antares for North America except eastern part May 27 Saturn at opposition Jun 10 Uranus at opposition Jun 21 Longest day of year (15:01) Jun 21 Summer begins, 1030 MST Jun 25 Mercury greatest elong, 25 deg, evening Jul 5 Earth aphelion, 94512400 miles, 0400 MST Jul 9 Mars at opposition Jul 11 Venus 1 north Regulus Jul 16 Mars nearest Earth, 37.5M miles, 0500 MST Jul 17 Moon occults Antares for North America Aug 11 Mercury greatest elong, 19 deg, morning Aug 26 Venus greatest elong, 46 deg, evening Aug 31 Venus 0.5 south Spica Sep 10 Jupiter at opposition Sep 23 Fall begins, 0159 MST Oct 3 Partial solar eclipse for North America Oct 7 Moon occults Antares for western North America Oct 17 Total lunar eclipse for Europe and Asia Oct 21 Mercury greatest elong, 24 deg, evening Nov 30 Mercury greatest elong, 20 deg, morning Dec 1 Moon occults Antares for North America (daytime) Dec 18 Jupiter 0.6 south Mars, evening Dec 19 Saturn 1.3 north Mercury Dec 21 Shortest day of year (09:20) Dec 21 Winter begins, 2102 MST Dec 25 Uranus 0.4 north Mercury Aug 25 1989, Voyager Neptune flyby