Milky Way, Whiteside, MO July 7, 2018Mars Jupiter Saturn Uranus Neptune • Jan 1 –Morning object,...

transcript

Milky Way, Whiteside, MO

July 7, 2018

Southern Cross

May 6, 2018

Tulum, MX

References:

http://www.seasky.org/astronomy/astronomy-calendar-2021.html

http://www.asteroidoccultation.com/2021-BestEvents.htm

https://in-the-sky.org/newscalyear.php?year=2021&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/

All Photos by Mark Jones

Unless noted

Full Moon Events 2021Largest

Apr 27 2021: diameter: 33.7’; 345,572km

May 26, 2021: diameter: 33.4’; 358,014km; Eclipse

Smallest

Oct 20, 2021: diameter: 29.7’; 402,517km; Eclipse

Image below shows the apparent size difference between largest and

smallest dates

Canon DSLR FL=300mm

Full Moon Events 2021May 26 – Lunar Eclipse- partial from STL

Partial Start 4:23am, Alt=9 deg

moon set 5:43am, 80% covered

Aug 22 - Blue Moon

Nov 19 – Lunar Eclipse – Almost total from STL

Partial Start 1:19am, Alt=61 deg

Max Partial 3:05am, Alt=42 deg

Partial End 4:49am, Alt=23 deg

Total Lunar Eclipse, Oct 8 2014

Canon DSLR, Celestron C-8

Other Moon Events 2021Lunar-X on the Moon (Start Times)

• Mar 20 – 16:01 Alt=54°

• May 18 – 17:34 Alt=65°

• Jul 16 – 17:00 Alt=42°

• Sep 13 – 16:09 Alt=15°

• Nov 11 – 18:03 Alt=32°

Lunar V also seen at same Sun angles

Yellow=Favorable Moon Conditions

Other Moon Events 2021 Lunar V - Visible at the same time just

north of the X. 14-mile-wide (23 km)

Lunar X - crater edges north of Werner

visible on the morning terminator

Lunar L – Visible about an hour past the

X’s peak time and scan southward

along the terminator just beyond

Stofler Crater

https://astronomy.com/magazine/2018/11/o

bserve-shadow-play--on-the-moon

Photo: Steven Bellavia

Solar Eclipses 2021None visible from STL

Next visible solar eclipse from STL

Oct 14, 2023 – Partial/Annular Eclipse

If you want to travel to Canada (1000 miles) you

can witness a sunrise annular eclipse

June 10, 2021

2021 Meteor Showers

• January 3 Quadrantids; ZHR=40 (FM+4days)

• April 22 Lyrids; ZHR=20 (FQ+2days)

• May 4 Eta Aquarids; ZHR=60 (LQ+1day)

• July 27 Delta Aquarids; ZHR=20 (FM+4days)

• Aug 12 Perseids; ZHR=60 (FQ-3days)

• Oct 21 Orionids; ZHR=20 (FM+1day)

• Nov 17 Leonids; ZHR=20 (FM-2days)

• Dec 14 Geminids; ZHR=120 (FQ+4days)

Yellow=Favorable Moon ConditionsPerseid Meteor, Aug 11, 2016, Belle, MO

• Jupiter – Aug 19 14 (dia=49.9 arc-sec)

• Saturn – Aug 2 (dia=18.6 arc-sec)

• Uranus – Nov 4 (dia=3.8 arc-sec)

• Neptune – Sep 14 (dia=2.4 arc-sec)

• Venus SC – Mar 26 (9.7 arc-sec)

• Venus GEE – Oct 29 (25 arc-sec)

• Mars – SC Oct 8 (dia=3.6 arc-sec)• Yellow=Favorable Conditions

• SC= Superior Conjunction

• QEE= Greatest Elongation East

• = Increase or decrease in size since 2020

Planet Oppositions 2021

Images from Stellarium

Top to Bottom:

Relative sizes of

Jupiter

Saturn

Uranus

Neptune

• Jan 1 – Morning object, 10.7 arc-seconds, mag = -3.93

• Mar 26 – SC, 9.7 arc-seconds

• Oct 29 - Venus GEE – 25 arc-seconds, mag = -4.41

• Images below are at same magnification as Jupiter and show the

apparent size difference between largest and smallest

Venus 2021

Venus – Oct 29 (GEE)Venus – Jan 1 Venus – Mar 26 (SC)

Mars 2021

Mars – Jan 1

Mars – Oct 8 (SC)

• Jan 1 – 10 arc-seconds in diameter, mag = - 0.22

• Mar 1 - 6.3 arc-seconds, mag = + 0.92

• Jun 1 – 4.2 arc-seconds, mag = + 1.74

• Oct 8 – SC, 3.6 arc-seconds

• Dec 31 – 4.0 arc-seconds, mag = + 1.54 (morning sky)

Mars – Mar 1

• Jan 1 – 32.9 arc-seconds, mag = -1.95

• Aug 19 - Jupiter at opposition, 49.1 arc-seconds, mag= -2.88

• Image below shows the apparent size difference between largest and

smallest dates

Jupiter 2021

Aug 19 (Opp)Jan 1

Saturn 2021

Jan 1 Aug 2 (Opp)

• Jan 1 – 15.2 arc-seconds (35.5 arc-sec rings), mag = + 0.62

• Aug 2 - Saturn Opposition – 18.6 arc-seconds (43.4 arc-sec rings),

mag = + 0.18

• Images below are at same magnification as Jupiter and show the apparent

size difference between largest and smallest

• Jan 1 – 3.6 arc-seconds, mag = + 5.72

• Nov 4 - Uranus opposition, 3.8 arc-seconds, mag = + 5.65

• Jupiter at same magnification

Uranus 2021

Uranus – Nov 4 (Opp)Jupiter

• Jan 1 – 2.3 arc-seconds, mag = + 7.92

• Sep 14 - Neptune opposition, 2.4 arc-sec, mag = +7.82

• Jupiter at same magnification

Neptune 2021

Neptune – Sep 14 (Opp)

Jupiter

Asteroid Oppositions 2021

1 2 3 4 5 6 7 8 9 10

1000 km

Relative sizes

Mar 4 4 Vesta Leo Mag=6.2

Apr 4 9 Metis Virgo Mag=9.5

Jul 18 6 Hebe Aquila Mag=8.4

Sep 11 2 Pallas Pisces Mag=8.6

Nov 27 1 Ceres Taurus Mag=7.2

TNO Oppositions 2021

Relative sizes

Mar 27 136472 Makemake Coma BerenicesMag=17.1

Apr 17 136108 Haumea BootesMag=17.3

Jul 18 134340 Pluto SagittariusMag=14.9

Oct 17 136199 Eris CetusMag=18.7

Lunar Occultations 2021

Beta Scorpi and Moon 9-21-2020

DATE STAR NAME MAG % ILL GENERAL AREA

16-May-21 ZC1170 κ Gem 3.6m 23+e USA, e Canada,

Caribbean

1-Nov-21 ZC1702 ν Vir 4.0m 15- w USA, w Canada

24-Dec-21 ZC1484 η Leo 3.5m 78-e USA, e Canada, w

Europe, nw Africa

• May 16 – Moon occults Kappa Gem, mag=4.1

• Evening Sky

• Starts 20:32 (8:32pm)

• End 21:35 (9:35am)

• Nov 1 – Moon occults v Virginis, mag=3.4

• Evening Sky

• Starts 6:57 (6:57am)

• End 8:11 (8:11am)

• Dec 24 – Moon occults Eta Leonis, mag=3.4

• Evening Sky

• Start: before moonrise

• End: 21:45 (9:45pm),

Alt=8 deg

Lunar Conjunctions 2021

May 15 23:47 Moon-Mars: 1.6° S

Jun 12 1:44 Moon-Venus: 1.6° S

Nov 07 23:21 Moon-Venus: 1.1° S

Dec 06 18:48 Moon-Venus: 1.9° N

Moon/Mars – 10-2-2020 Moon/Saturn/Jupiter – 10-2-2020

• May 15 – Moon 1.5o from Mars

• In Gemini

• Evening Sky

• 11:30pm

• Jun 11 – Moon 2.5o from Venus

• In Gemini

• Evening Sky

• 9:30pm, 4o above horizon

• Nov 7 – Moon 3.5o from Venus

• In Sagittarius

• Evening Sky

• Dec 6 – Moon 2.5o from Venus

• In Sagittarius

• Evening Sky

Planet Conjunctions 2021

Jupiter/Saturn 12-20-2020

Jan 19 22:00 Mars-Uranus: 1.7° S

Feb 11 6:45 Venus-Jupiter: 1.5° S

Feb 23 1:38 Mercury-Saturn: 4° N

Mar 04 23:11 Mercury-Jupiter: 0.3° N

May 28 22:01 Mercury-Venus: 0.4° N

Jul 13 8:17 Venus-Mars: 0.5° N

Aug 18 22:03 Mercury-Mars: 0.1° N

• Jan 19 – Mars and Uranus

• Evening sky

• 10pm

• 35o above horizon

• Feb 11 – Venus and Jupiter

• 1 ½ deg

• Morning sky – Very difficult

• 6:45am

• 2o above horizon

• Mercury, Saturn, Jupiter and Venus

all within 7 degrees!!

• Feb 23 – Jupiter, Saturn, Mercury before sunrise

• In Capricornus

• Morning Sky

• 6:00am, 5o above horizon

• Mar 4 – Jupiter, Saturn, Mercury before sunrise

• Jupiter and Mercury ½ deg apart

• In Capricornus

• Morning Sky

• 5:45am, 5o above horizon

• May 28 – Venus, Mercury after sunset

• Venus and Mercury 1/3 deg apart

• Evening Sky

• Jul 13 – Venus, Mars after sunset

• Venus and Mercury 1/2 deg apart

• Evening Sky

• Aug 18 – Mars and Mercury after sunset

• Mars and Mercury 5 arc-minutes apart !!

• Evening Sky

• Difficult Viewing

Deep Sky Conjunctions 2021

Venus/Pleiades

3-31-2020

Mar 02 17:32 Mars-Pleiades: 2.6° S

Apr 26 21:15 Mars-M35: 0.5° S

May 03 22:01 Mercury-Pleiades: 2.2° S

Jun 23 0:21 Mars-Beehive: 0.3° S

Jul 02 21:45 Venus-Beehive: 0.1° N

Jul 21 16:21 Venus-Regulus: 1.1° N

Jul 29 9:09 Mars-Regulus: 0.6° N

Oct 16 8:24 Venus-Antares: 1.5° N

Venus/Hyades

7-10-2020

• Mar 2 & 3 – Mars and Pleiades

• 2 ½ deg

• Evening Sky

• 8:30pm

• Apr 26 – Mars and M35

• 1 deg

• Evening Sky

• 9:30pm

• May 3 – Mercury and Pleiades

• 2 ½ deg

• 5 degrees above horizon

• Evening Sky

• 9 pm

• Jun 23 – Mars and Bee Hive Cluster

• 0 deg !

• Evening Sky

• 9pm

• Jul 2 – Venus and Bee Hive Cluster

• 1.5 deg !

• Evening Sky

• 10pm

• Very difficult

• Jul 21 – Venus and Regulus (and Mars)

• 1 deg !

• Evening Sky

• 9:30pm

• Jul 29 – Mars and Regulus

• >1 deg apart

• Evening Sky

• 9 pm

• Difficult

• Oct 16 – Venus and Antares

• 1 ¼ deg

• Evening Sky

• 9:30pm

Asteroid Occultations 2021

Date/TimeAsteroid Ast Mag Star Star Mag dM D A Visibility Comments

29 Oct 2021 , 02:24 UT

(6) Hebe mag 9.8TYC 6892-

00307-1mag10.7

0.29m 9.2s

Mexico

close double

03 Dec 2021 , 10:15 UT

Dyname

mag 13.4 HIP 53071 mag8.52.70m 8.2s

74°USA

close double

14 Dec 2021

, 09:26 UT

Kalliopemag 10.3 YC 2441-00670-1 mag10.7

14.7s 69°

E USA,

Canada

Source: http://www.asteroidoccultation.com/

Asteroid OccultationOn 2021 Oct 29 UT, the 200.1 km diameter asteroid (6) Hebe will occult a

10.7 mag star in the constellation Sagittarius for observers along a path

across USA, Mexico. STL just outside of path

The combined light of the asteroid and the star will drop by 0.29 mag to 9.43

mag (the combined magnitude of the asteroid and the close companion

star) for at most 9.2 seconds.

http://www.asteroidoccultation.com/2021_10/1029_6_71660_Summary.txt

Asteroid OccultationOn 2021 Dec 03 UT, the 130.2 km diameter asteroid (200) Dynamene will

occult a 8.5 mag star in the constellation Leo for observers along a path

across USA. STL in path !

The combined light of the asteroid and the star will drop by 2.70 mag to

11.07 mag (the combined magnitude of the asteroid and the close

companion star) for at most 8.2 seconds.

http://www.asteroidoccultation.com/2021_12/1203_200_71996.htm

Asteroid OccultationOn 2021 Dec 14 UT, the 169.1 km diameter asteroid (22) Kalliope will occult

a 10.7 mag star in the constellation Gemini for observers along a path

across E USA, W Canada. STL just outside of path

The combined light of the asteroid and the star will drop by 0.58 mag to

10.27 mag (the magnitude of the asteroid) for at most 14.7 seconds..

http://www.asteroidoccultation.com/2021_12/1214_22_72132.htm

Milky Way, Whiteside, MO July 7, 2018Mars Jupiter Saturn Uranus Neptune • Jan 1 –Morning object,...

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