Preview of Interesting Astronomical Events for 2016 By Mark Jones. Transit of Mercury 2006 Mars Opposition 2003

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1 Preview of Interesting Astronomical Events for 2016 By Mark Jones Transit of Mercury 2006 Mars Opposition 2003

2 References: html RASC Handbook 2016 All Photos by Mark Jones Unless noted Lunar Eclipse April 4, 2015 Chesterfield Valley

3 2016 Meteor Showers January 3 Quadrantids; ZHR=120 (LQ+2days) April 21 Lyrids; ZHR=20 (FM) May 5 Eta Aquarids; ZHR=60 (NM-1day) July 28 Delta Aquarids; ZHR=20 (LQ+2days) Aug 12 Perseids; ZHR=90 (FQ+2days) Oct 21 Orionids; ZHR=20 (LQ-2days) Nov 18 Leonids; ZHR=20 (FM+3days) Dec 14 Geminids; ZHR=120 (FM) Yellow=Favorable Moon Conditions

4 Video File: CAMELOPARDALID Meteor Sequence CAMELOPARDALID Meteor May Whiteside, MO

5 Trace meteor streaks to origin Trace meteor streaks to origin to see if it comes from radiant CAMELOPARDALID Meteors May APOD Photo

6 Planet Oppositions Mars May 22, 2016 (dia=19 arc-sec) Jupiter Mar 8, 2016 (dia=44 arc-sec) Saturn June 3, 2016 (18 arc-sec, 26deg ring tilt) Uranus Oct 15, 2016 (dia=3.7 arc-sec) Neptune Sep 3, 2016 (dia=2.4 arc-sec) Juno at Jupiter July 4, yr journey Left to Right: Relative sizes of Mars, Jupiter, Saturn; Uranus; and Neptune

7 2016 Mars Opposition Opposition Date Mars Distance in Millions of Miles Diameter in arc-seconds Aug Nov Dec Jan Mar April May Aug Next minimum distance of August 2018 Largest Mars in 10 years! Mars Opposition May 1999

8 2016 Mars Opposition Opposition on May 22, 2016 Closest to Earth May 30, 2016 Perihelion on Oct 29, 2016 In Scorpius, LOW declination Mars disk will be 18.6 arc-sec in diameter Late Summer in the N. hemisphere Very small N polar cap Mars Observing PD Photo

9 Video Mars Sep 6, 2003 Filename: Mars Sep

10 Saturn Rings change angle Saturn In 2016 the rings are Rings change angle opening up to 26 degrees In rings are near edge on Saturn Saturn The Saturn views were simulated with a computer program written by Tom Ruen. (Created here for public domain)

11 Transit of Mercury May 9, 2016, right after Sunrise Transit begins at 6:13am, Sun Altitude = 3 Mid-transit at 9:58am, Sun Altitude = 46 Transit ends at 1:41pm, Sun Altitude = 67 Mercury will cut across southern half of Sun s disk Last transit Nov 7, Next transit Nov 11, 2019 Disk is 10, use 50x to 100x Use proper filter or projection It takes 2 minutes for Mercury to cross the Sun s limb "Transit of Mercury May path across sun" by Tomruen

12 Warning Warning! NEVER look at the Sun directly through an unfiltered telescope you could be blinded. Only use filters from reputable suppliers intended for solar observing. Do not assume that a filter which makes the Sun look dark is safe to look through; it may let through infra-red and/or UV. See NASA Website:

13 SAFE Solar Viewing Methods Indirect Viewing Methods Pinhole Projection (NOT effective for Mercury) Telescope Projection Viewing with camera or video Direct Viewing Methods Naked-Eye Solar Filters (NOT effective for Mercury) Telescope or >10Xbinoculars with Proper Filters

14 SAFE Solar Viewing Methods Solar Funnel Transit of Mercury Nov 10, 1973

15 AL Award The Planetary Transit Special Award The Al Council has adopted the next award in this series: Mercury Transit 2016 See website for details AL PlanetaryTransit Award

16 Video Transit of Mercury Nov 8, 2006 Filename: mercury Transit of Mercury Nov 15, 1999 Transit of Venus May 8, 2004

17 Video Venus Setting July 31, :20-8:40pm Filename: Venus July _3785

18 Asteroid Oppositions Oct 21 Dwarf Planet Ceres (1) at opposition, mag 7.4 Aug 20 Asteroid Pallas (2) at opposition, mag 9.2 Apr 27 Asteroid Juno (3) at opposition, mag 10.0 Feb 15 Asteroid Astraea (5) at opposition, mag 8.7 Mar 17 Asteroid Hebe (6) at opposition, mag 9.8 May 29 Asteroid Iris (7) at opposition, mag 9.2 Jun 11 Asteroid Flora (8) at opposition, mag 9.4 Jul 7 Dwarf Planet Pluto (134340) at opposition, mag 14.3 Moon 1000 km Pluto

19 Eclipses (None visible from STL) Mar 9, 2016 Total Solar Eclipse Asia-Pacific Mar 23, 2016 Penumbral Lunar Eclipse W. North America, Asia-Pacific Sep 1, 2016 Annular Solar Eclipse S. Africa, Indian Ocean Sep 16, 2016 Penumbral Lunar Eclipse Europe, Africa, Asia

20 Lunar/Star Occultations Trivia Question: What are the 4 first magnitude stars that can be occulted by the Moon?

21 Lunar/Star Occultations Trivia Question: What are the 4 first magnitude stars that can be occulted by the Moon? Aldebaran (Taurus) Regulus (Leo) Spica (Virgo) Antares (Scorpius)

22 Lunar/Star Conjunctions Local STL times Jan 19 20:00 Aldebaran, 0.5 S of Moon. Occult'n in US Feb 16 03:00 Aldebaran, 0.3 S of Moon. Occult'n in West US Mar 14 07:00 Aldebaran, 0.3 S of Moon. Apr 10 17:00 Aldebaran, 0.3 S of Moon. Occult'n in US Jul 29 05:00 Aldebaran, 0.3 S of Moon. Occult'n in Eastern US Aug 25 11:00 Aldebaran, 0.2 S of Moon. Occult'n in Southern US Oct 19 01:00 Aldebaran, 0.3 S of Moon. Occult'n in Eastern US Nov 19 10:50 Beehive 4.3 N of Moon Dec 12 21:38 Aldebaran, 0.5 S of Moon. Occult'n in US Dec 2001 Favorable Conjunctions in Yellow Occultation of Aldebaran, mag=1 Moon and Antares Mar 3, 2005

23 Video Moon and Aldebaran Dec 2001 Filename: Aldebaran Occultn

24 Jan 19, 2016 Aldebaran and Moon Occultation Start: 20:00 Alt=63 End: 21:10 Alt=67 Stellarium Simulation

25 Apr 10, 2016 Aldebaran and Moon Occultation Start: 17:20 Alt=62 End: 18:39 Alt=51 Daytime Event Stellarium Simulation

26 July 29, 2016 Aldebaran and Moon Occultation Start: 05:13 Alt=34 Graze Event Early Morning Stellarium Simulation

27 Oct 19, 2016 Aldebaran and Moon Occultation Start: 00:28 Alt=41 End: 01:17 Alt=50 Stellarium Simulation

28 Dec 12, 2016 Aldebaran and Moon Occultation Start: 21:39 Alt=59 End: 22:55 Alt=67 Stellarium Simulation

29 Lunar/Planet Conjunctions Local STL times Jan 19 10:00 Saturn 2.1 S of Moon (evening) Apr 6 02:00 Venus, 0.7 S of Moon (morning) Apr 25 Saturn, Mars, Moon, Antares Conjunction (morning) Jun 3 03:00 Mercury, 0.7 N of Moon (morning) Jul 9 03:00 Jupiter, 0.9 N of Moon (morning) Jul 22 00:00 Neptune, 1.1 S of Moon. Occult'n in Eastern US Aug 4 16:00 Mercury, 0.6 N of Moon (evening) Sep 2 16:00 Jupiter, 0.4 S of Moon (evening) Sep 3 05:00 Venus, 1.1 S of Moon (morning) Sep 29 05:00 Mercury, 0.7 N of Moon (morning) Dec 6 17:00 Neptune, 0.7 S of Moon. Occult'n in US (evening) Favorable Conjunctions in Yellow Moon and Venus Dec 11, 2012

30 Jul 22, 2016 Neptune/Moon. Occultation Start: 22:50pm, Alt=5 End:23:38pm, Alt=15 Stellarium Simulation

31 Apr 25 - Saturn, Mars, Moon, Antares Conjunction Morning Sky Stellarium Simulation

32 Planet Conjunctions Bright Stars/Planets Jan 8 Venus 0.3 N of Saturn (morning) Feb 13 Mercury 4.0 of Venus, 21 W of Sun (morning) Jul 16 Mercury 0.5 of Venus, 11 E of Sun (daytime event) Jul 30 Mercury 0.3 S of Regulus (evening) Aug 5 Venus 1.1 N of Regulus (evening) Aug 17 Mars 1.2 S of GC M80 (evening) Aug 23 Mars 1.8 N of Antares, also Saturn (evening) Aug 27 Venus 0.1 N of Jupiter (evening) *** Oct 29 Venus 3.0 S of Saturn (evening) Favorable Conjunctions in Yellow Venus and Pleiades April 10, 2015

33 Jan 8 Venus 0.3 N of Saturn Before Sunrise Stellarium Simulation M111 MO Nebula Antares

34 Aug 27 Venus and Jupiter, 0.1 Daytime Event Closest Approach: 17:20, Alt=36 Stellarium Simulation

35 Small Body Conjunctions Local STL times Mar 27 02:55 #516 mag=11.6, occults star mag=9.4 Apr 5 02:46 #216 mag=12.7, occults star mag=10.9 Apr 12 18:44 #513 mag=14.6, occults star mag=8.7 Apr 13 06:00 Ganymede occults 4.9 mag star Aug 14 21:53 #71 mag=11.1, occults star mag=10.8 Aug 22 06:00 Pluto occults 15.2 mag star, Hawaii only Sep 7 22:18 #224 mag=13.4, occults star mag=6.9 Dec 13 01:29 #772 mag=13.8, occults star mag=8.8 All events visible in a small band in U.S., not Missouri See 2016 RASC Handbook Venus and Moon March 22, 2015

36 Largest Full Moon May 21 (Smallest) 21:14UT Distance=405,933 Dia = 29min 48sec Nov 14 (Largest) 13:52UT 16:28UT Distance = 356,509km Dia = 33min 48sec Canon DSLR FL=300mm

37 Other Moon Events Lunar X (local time) 2016 Jan 16 17:30 Alt= Mar 15 22:40 Alt= May 13 23:24 Alt= Jul 11 21:35 Alt= Sep 8 20:08 Alt= Nov 6 20:48 Alt=31 Data provided by Grant Martin Local STL times Favorable Dates in Yellow Lunar X - Jan 30, 2012

38 SLAS Dark Sky Parties for 2016 Mar 12 Dark Sky Party Apr 9 Dark Sky Party May 7 Dark Sky Party Jun 4 Dark Sky Party Jul 2 Dark Sky Party Aug 6 Dark Sky Party Sep 3 Dark Sky Party Oct 1 Dark Sky Party Nov 5 Dark Sky Party 2014 Messier Marathon Danville

39 SLAS Sky Orienteering (Sunday nights, New for 2016) Feb 14 Mar 6 Apr 3 May 1 Jun 26 Jul 24 Aug 28 Sep 25 Oct 23 Nov 20 Babler State Park Babler State Park Babler State Park Babler State Park Babler State Park Babler State Park Babler State Park Babler State Park Babler State Park Babler State Park Sep 2013 Danville Laser Pointing to Center of Milky Way

40 Other Important Dates Mar 13 Daylight Saving Time Begins May 14 Astronomy Day June MSRAL 2016 Columbia, MO Aug ALCON Washington, DC Aug days until TSE! Oct 8 Astronomy Day Nov 6 Daylight Saving Time Ends SLSC March 2015

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