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Milky Way, Whiteside, MO July 7, 2018 References: http://www.seasky.org/astronomy/astronomy-calendar-2020.html http://www.asteroidoccultation.com/2020-BestEvents.htm https://in-the-sky.org/newscalyear.php?year=2020&maxdiff=7 https://www.go-astronomy.com/solar-system/event-calendar.htm https://www.photopills.com/articles/astronomical-events-photography- guide#step1 https://www.timeanddate.com/eclipse/ https://www.calsky.com/cs.cgi?obs=6220674044141599

All Photos by Mark Jones Unless noted Southern Cross May 6, 2018 Tulum, MX Full Events 2020 Largest March 9, 2020: This is the 2nd biggest of the year. Full Moon (diameter: 33.4233') April 8, 2020: This is the biggest full moon of the year. Full Moon (diameter: 33.4579’)

Image below shows the apparent size difference between largest and smallest dates

Canon DSLR FL=300mm Full Moon Events 2020 Smallest October 1, 2020: This is the 2nd smallest full moon of the year. Full Moon (diameter: 29.4841') October 31: This is the smallest of the year, the 2nd smallest full moon of the next 10 years. Full Moon (diameter: 29.4103’) Image below shows the apparent size difference between largest and smallest dates Full Moon Events 2020 When is the Next Blood Moon? i.e. Total Once every 19 years, there's a long gap between total lunar ; this occurs because of the geometry of the positions of the , and moon. This means that the next total won't happen until 2021 (Asia). North and South America will finally see a blood moon again on May 16, 2022

Total Lunar Eclipse, Oct 8 2014 Canon DSLR, Celstron C-8 Other Moon Events 2020 Golden Handle on the Moon Sun rises on the Jura mountains, while Sinus Iridium is still in shadow • Jan 5 – 13:56 Alt=7° • Mar 4 – 21:00 Alt=70° • Apr 3 – 14:15 Alt=-0.5° • May 2 – 22:58 Alt=54° • Jun 30 – 18:39 Alt=25° • Dec 24 – 22:27 Alt=49° Yellow=Favorable Moon Conditions

Start times. Event visible up to 7 hours Data provided by CalSky Photos by Werner Priller Local STL times Other Moon Events 2019 Lunar-X on the Moon

• Mar 1 – 17:59 Alt=68° • Apr 29 – 20:51 Alt=58° • Jun 27 – 20:43 Alt=47° • Oct 23 – 20:39 Alt=27° • Dec 21 – 22:24 Alt=18° Yellow=Favorable Moon Conditions

Start times. Event visible up to 2 hours Data provided by CalSky Local STL times March 1 • Lunar X - 17:59 Alt=68° • Barrow - 19:19 Alt=58° • Lunar V - 21:13 Alt=37° • Walter - 22:06 Alt=27°

Lunar X - crater edges north of Werner visible on the terminator Barrow lunar ray on the morning terminator Lunar V - ridges east of Ukert visible on the morning terminator Walter lunar sunlight ray visible on the morning terminator

Start times. Event visible up to 1/2 hour Data provided by CalSky Photo by Mary Spicer Local STL times March 1 • Barrow - 19:19 Alt=58° Barrow lunar sunlight ray on the morning terminator

Start times. Event visible up to 1/2 hour Data provided by CalSky Photo by Helmut Gröll, Moers, Germany Local STL times March 1 • Walter - 22:06 Alt=27° Walter lunar sunlight ray visible on the morning terminator

Start times. Event visible up to 1/2 hour Data provided by CalSky Photo by Mike I Jones Local STL times March 2 • Rupes Recta - 19:42 Alt=64° Rupes Recta - Straight Wall visible on the morning terminator

Start times. Event visible up to 1/2 hour Data provided by CalSky Photo by gbgrimm

Local STL times March 3 • Quincunx - 18:33 Alt=73° Quincunx - 5+1 dots north of Copernicus visible on the morning terminator

Start times. Event visible up to 1/2 hour Data provided by CalSky Photo by Jirika Scheit Local STL times 2020 Meteor Showers

• January 3 Quadrantids; ZHR=40 (FQ) • April 22 Lyrids; ZHR=20 (NM-1day) • May 5 Eta Aquarids; ZHR=60 (FM-3days) • July 28 Delta Aquarids; ZHR=20 (FQ) • Aug 12 Perseids; ZHR=60 (LQ+1day) • Oct 21 Orionids; ZHR=20 (FQ-2days) • Nov 17 Leonids; ZHR=20 (NM+3days) • Dec 14 Geminids; ZHR=120 (NM-1day)

Yellow=Favorable Moon Conditions Perseid Meteor, Aug 11, 2016, Belle, MO Lunar Eclipses 2020 No Umbral Eclipses in 2020 Jul 4 – Penumbral Lunar Eclipse – Start: 10:07pm – End: 12:52am Nov 30 – Penumbral Lunar Eclipse – Start: 1:32am – End: 5:53am

May 26, 2021 – Partial/Total Lunar Eclipse – Start: 4:42am – Max at Moonset: 5:42am – Totality Start: 6:11am Solar Eclipses 2020 None

Next Eclipse Oct 14, 2023 – Partial/Annular Eclipse Oppositions 2020 Venus • Venus GEE – Mar 24 (24.5 arc-sec) Mars • Venus IC – Jun 3 (58 arc-sec) • Venus GWE – Aug 12 (24.5 arc-sec) Jupiter

• Mars – Oct 13 (dia=22.3 arc-sec) Saturn • Jupiter – Jul 14 (dia=47.6 arc-sec) Uranus • Saturn – Jul 20 (dia=18.5 arc-sec) • Uranus – Oct 31 (dia=3.7 arc-sec) Neptune Top to Bottom: • Neptune – Sep 11 (dia=2.32 arc-sec) Relative sizes of • Yellow=Favorable Conditions • SC= Superior Conjunction • QEW= Greatest Elongation West Images from Stellarium Venus 2020

• Venus GEE – Mar 24 (24.5 arc-sec) • Venus IC – Jun 3 (58 arc-sec) • Venus GWE – Aug 12 (24.5 arc-sec) • Image below shows the apparent size difference between largest and smallest dates

Venus – Jan 3 Venus – Mar 25 Images from Stellarium Mars 2020

• Mars N Spring begins – Apr 8 (dust storms) • Mars reaches 10 arc-sec – Jun 11 • Mars brightens to mag = -1.0 – Jul 27 • Mars reaches perihelion – Aug 3 • Mars reaches 20 arc-sec – Sep 8 Mars – Jul 27 • Mars brightens to mag = -2.0 – Sep 8 • Mars opposition - Oct 13 (22.3”) • Mars dims to mag = -2.0 – Nov 5 • Mars dims to mag = -1.0 – Dec 5 • Mars shrinks to 10 arc-sec – Jan 4, 2021

• Yellow=Favorable Conditions • SC= Superior Conjunction

Mars – Oct 13

Images from Stellarium Jupiter 2019 • Jupiter at opposition – Jul 14 (mag= -2.8) • Image below shows the apparent size difference between largest and smallest dates

Jupiter – Feb 14 Jupiter – Jul 14

Images from Stellarium Saturn 2020

• Saturn Opposition – Jul 20 (18.4”) • Image below shows the apparent size difference between largest and smallest dates

Saturn – Mar 3 Saturn – Jul 20 Uranus 2019

• Uranus opposition – Oct 31 (mag = +5.66) • Image below shows the apparent size difference between largest and smallest dates

Uranus – Oct 28

Uranus – Jan 19

Images from Stellarium Neptune 2019

• Neptune opposition – Sep 11 (mag = +7.82)

Neptune – Sep 11

Images from Stellarium Small Body Oppositions 2020 Aug 28 Ceres (1) at opposition, mag +7.7 Jul 12 Asteroid Pallas (2) at opposition, mag 9.6 Apr 2 Asteroid Juno (3) at opposition, mag 9.5 Asteroid Vesta (4) at opposition, mag +5.9 (Mar 4, 2021) Jan 21 Asteroid Astraea (5) at opposition, mag 9.0 Apr 4 Asteroid Hebe (6) at opposition, mag 10.1 Jun 27 Asteroid Iris (7) at opposition, mag 8.9 Nov 1 Asteroid Flora (8) at opposition, mag 8.0 Asteroid Metis (9) at opposition, mag 9.5 (Apr 4, 2021) Asteroid Hygiea (10) at opposition, mag 9.9 (Jan 28, 2021) Jul 15 Dwarf Planet (134340) at opposition, mag 14.3 Yellow=Favorable Conditions Moon Pluto 1000 km Relative sizes

1 2 3 4 5 6 7 8 9 10 Asteroid Occultation

10 Feb 2020 , 09:41 UT (191) Kolga, mag= 15.0 HIP 84880, mag=4.3, wide double Duration- 10.76m 3.2s 100mi S of Sikeston, MO http://www.asteroidoccultation.com/2020_02/0210_191_64120.htm Asteroid Occultation

11 Feb 2020 , 21:57 UT (4) Vesta, mag =8.3 HIP 14439, mag=5.3 duration 3.03m Visible Georgia and Carolinas http://www.asteroidoccultation.com/2020_02/0211_4_64136.htm Planet Conjunctions 2020

• Jan 8 – Venus 1o from Deneb Algedi, Delta Cap, mag=2.9 • Feb 10 – Neptune 5’ from Phi Aqr, mag=4.2 • Mar 20 – Jupiter 1o from Mars • Mar 31 – Saturn 1o from Mars • Apr 3 - Venus 15’ from Alcyone, Eta Tau, mag=2.9 • May 4 – Mars 1o from Deneb Algedi, Delta Cap, mag=2.9 • May 22 – Venus 1o from • Jul 11 – Venus 1o from Aldebaran, Alpha Tau, mag=0.9 • Sep 22 – Mercury 16’ from Spica, mag=1.0 • Oct 2 – Venus 5’ from Regulus, Alpha Leo, mag=1.4 • Dec 17 – Jupiter and Saturn are 33’ apart, Moon is nearby • Dec 21 – Jupiter 10’ from Saturn

• Yellow=Favorable Conditions Planet Conjunctions 2020

• Jan 8 – Venus 1o from Deneb Algedi, Delta Cap, mag=2.9 • Sky • 5:40pm

Images from Stellarium Planet Conjunctions 2020

• Feb 10 – Neptune 5’ from Phi Aqr, mag=4.2 • Evening Sky • 6:30pm

Images from Stellarium Planet Conjunctions 2020

• Feb 17– Mars (1.3), Jupiter (−1.9) and Saturn (0.6), Moon and Antares – in order, highest to lowest parade across the predawn sky • Morning Sky • 6:00am

Images from Stellarium Planet Conjunctions 2020

• Mar 18 – n the hour before , catch brightening Mars (0.9), brilliant Jupiter (−2.1) and Saturn (0.7) low in the southeast. The two brightest “” above the crescent Moon are Jupiter and Mars. • Morning Sky • 6:22am

Images from Stellarium Planet Conjunctions 2020

• Mar 18 – Jupiter, Mars and Moon • Morning Sky • 4:30am

Images from Stellarium Planet Conjunctions 2020

• Mar 20 – Jupiter 1o from Mars • Morning Sky • 4:40am

Images from Stellarium Planet Conjunctions 2020

• Mar 31 – Saturn 1o from Mars • Morning Sky • 4:45am

Images from Stellarium Planet Conjunctions 2020

• Apr 3 - Venus 15’ from Alcyone (Pleiades), Eta Tau, mag=2.9 • Evening Sky • 10pm

Images from Stellarium Planet Conjunctions 2020

• Apr 14 – Moon skirts a chain of – in order, by altitude, Jupiter (−2.2), Saturn and Mars (both 0.6). • Morning Sky • 5:30am

Images from Stellarium Planet Conjunctions 2020

• May 4 – Mars 1o from Deneb Algedi, Delta Cap, mag=2.9 • Morning Sky • 4:45am

Images from Stellarium Planet Conjunctions 2020

• May 4 – hour before dawn, look south for the waning gibbous Moon. Above it, separated by less than 5°, blaze Jupiter (−2.4) and Saturn (0.5). Mars (0.3, outshining Saturn) stands east of the pair • Morning Sky • 5:15am

Images from Stellarium Planet Conjunctions 2020

• May 22 – Venus 1o from Mercury • Evening Sky • 8:15pm

Images from Stellarium Planet Conjunctions 2020

• June 19 – This morning, Venus shines above the slender crescent Moon • Morning Sky • 4:30am

Images from Stellarium Planet Conjunctions 2020

• Jul 5 – An hour after , look southeast for a nearly full Moon flanked by Jupiter (−2.7) and Saturn (0.2), both nearing opposition. • Evening Sky • 9:30pm

Images from Stellarium Planet Conjunctions 2020

• Jul 11 – Venus 1o from Aldebaran, Alpha Tau, mag=0.9 • Morning Sky • 4am

Images from Stellarium Planet Conjunctions 2020

• Sep 22 – Mercury 16’ from Spica, mag=1.0 • Evening Sky • 7:15pm

Images from Stellarium Planet Conjunctions 2020

• Oct 2 – Venus 5’ from Regulus, Alpha Leo, mag=1.4 • Morning Sky • 4am

Images from Stellarium Planet Conjunctions 2020

• Oct 22 – The brightest “star” above it is Jupiter (−2.2); the second-brightest “star” above it is Saturn (0.6). Swing your view eastward to locate Mars (−2.4) — after the Moon • Evening Sky • 9:45pm

Images from Stellarium Planet Conjunctions 2020

• Nov 19 - Jupiter (−2.1) and Saturn (0.6) are now separated by less than 3.5°. They grow ever closer during the next 4 weeks. • Evening Sky • 6:45pm

Images from Stellarium Planet Conjunctions 2020

• Dec 17 – Jupiter and Saturn are just 33 arcminutes apart tonight – slightly larger than the Moon’s apparent disk – and still closing. • Evening Sky • 5:30pm

Images from Stellarium Planet Conjunctions 2020

• Dec 21 – Jupiter 10’ from Saturn • Evening Sky • 6:15pm

Images from Stellarium Lunar Conjunctions and Occultations 2020

• Feb 3 – Moon occults Eps Tau, mag=3.5 (double star) • Feb 5 – Moon occults Eta Gem, mag=3.5 • Feb 18 – Moon occults Mars, mag=1.2 • Jun 19 – Moon 1.5o from Venus • Aug 9 – Moon 1.3o from Mars • Sep 5 – Moon 0.5o from Mars • Sep 21 – Moon occults Beta2 Sco, mag=4.8 (multiple star system) • Oct 2 – Moon 1.3o from Mars • Dec 12 – Moon 1.5o from Venus

• Yellow=Favorable Conditions

Images from Stellarium Lunar Conjunctions 2020

• Feb 3 – Moon occults Eps Tau, mag=3.5 (double star) • Evening Sky • Starts 23:07 (11:07pm) • End 23:33 (11:33pm)

Images from Stellarium Lunar Conjunctions 2020

• Feb 5 – Moon occults Eta Gem, mag=3.5 • Evening Sky • Start: 18:15 (6:15pm) • End: 19:15 (7:15pm)

Images from Stellarium Lunar Conjunctions 2020

• Feb 18 – Moon occults Mars, mag=1.2 • Morning Sky • Start 5:58am • Ends 7:27am

Images from Stellarium Lunar Conjunctions 2020

• Jun 19 – Moon 1.5o from Venus • Morning Sky • 4:30am

Images from Stellarium Lunar Conjunctions 2020

• Aug 9 – Moon 1.3o from Mars • Morning Sky • 3:30am

Images from Stellarium Lunar Conjunctions 2020

• Sep 5 – Moon 0.5o from Mars • Evening Sky • 9:30pm

Images from Stellarium Lunar Conjunctions 2020

• Sep 21 – Moon occults Beta2 Sco, mag=4.8 (multiple star system) • Evening Sky • Start 20:45 (8:45pm)

Images from Stellarium Lunar Conjunctions 2020

• Oct 2 – Moon 1.3o from Mars • Evening Sky • 8:40pm

Images from Stellarium Lunar Conjunctions 2020

• Dec 12 – Moon 1.5o from Venus • Morning Sky • 5:45am

Images from Stellarium Deep Sky Conjunctions 2020

• Jan 11 Close approach of the Moon and M44 • Feb 8 Close approach of the Moon and M44 • Feb 18 Close approach of Mars and M20, M8,Moon • Feb 28 Close approach of Mars and M22 • Mar 6 Close approach of the Moon and M44 • Apr 3 Close approach of Venus and M45 • Apr 30 Close approach of the Moon and M44 • May 27 Close approach of the Moon and M44 • Jun 23 Close approach of the Moon and M44 • Sep 13 Close approach of the Moon and M44 • Oct 11 Close approach of the Moon and M44 • Dec 4 Close approach of the Moon and M44 • https://in-the-sky.org • Yellow=Favorable Conditions

Images from Stellarium Deep Sky Conjunctions 2020

• Jan 11 Close approach of the Moon and M44 • Evening Sky • 6:35pm • Arrow shows direction of motion

Images from Stellarium Deep Sky Conjunctions 2020

• Feb 8 Close approach of the Moon and M44 • Morning Sky • 5:20am • Arrow shows direction of motion

Images from Stellarium Deep Sky Conjunctions 2020 • Feb 18 Close approach of Mars, M20, M8, Moon • Morning Sky • 4:20am • Arrow shows direction of motion

Images from Stellarium Deep Sky Conjunctions 2020

• Feb 28 Close approach of Mars and M22 • Morning Sky • 4:20amArrow shows direction of motion

Images from Stellarium Deep Sky Conjunctions 2020

• Mar 6 Close approach of the Moon and M44 • Evening Sky • 11pm • Arrow shows direction of motion

Images from Stellarium Deep Sky Conjunctions 2020

• Apr 3 Close approach of Venus and M45 • Evening Sky • 8:15pm • Arrow shows direction of motion

Images from Stellarium Deep Sky Conjunctions 2020

• Apr 30 Close approach of the Moon and M44 • Morning Sky • 1:30am

Images from Stellarium Deep Sky Conjunctions 2020

• May 27 Close approach of the Moon and M44 • Evening Sky • 10pm

Images from Stellarium Deep Sky Conjunctions 2020

• Jun 23 Close approach of the Moon and M44 • Evening Sky • 10pm

Images from Stellarium Deep Sky Conjunctions 2020

• Sep 13 Close approach of the Moon and M44 and Venus • Morning Sky • 4am

Images from Stellarium Deep Sky Conjunctions 2020

• Oct 11 Close approach of the Moon and M44 • Morning Sky • 5am

Images from Stellarium Deep Sky Conjunctions 2020

• Dec 4 Close approach of the Moon and M44 • Evening Sky • 9pm

Images from Stellarium References: http://www.seasky.org/astronomy/astronomy-calendar-2020.html http://www.asteroidoccultation.com/2020-BestEvents.htm https://in-the-sky.org/newscalyear.php?year=2020&maxdiff=7 https://www.go-astronomy.com/solar-system/event-calendar.htm https://www.photopills.com/articles/astronomical-events-photography- guide#step1 https://www.timeanddate.com/eclipse/ https://www.calsky.com/cs.cgi?obs=6220674044141599

All Photos by Mark Jones Unless noted Southern Cross May 6, 2018 Tulum, MX