Milky Way, Whiteside, MO July 7, 2018Mars Jupiter Saturn Uranus Neptune • Jan 1 –Morning object,...
Transcript of Milky Way, Whiteside, MO July 7, 2018Mars Jupiter Saturn Uranus Neptune • Jan 1 –Morning object,...
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
X
V
Other Moon Events 2021 Lunar V - Visible at the same time just
north of the X. 14-mile-wide (23 km)
Ukert
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
Venus
Mars
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
• SC= Superior Conjunction
Venus 2021
Images from Stellarium
Venus – Oct 29 (GEE)Venus – Jan 1 Venus – Mar 26 (SC)
Mars 2021
Images from Stellarium
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)
• SC= Superior Conjunction
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
Images from Stellarium
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
Images from Stellarium
• 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
Images from Stellarium
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
Images from Stellarium
Neptune – Sep 14 (Opp)
Jupiter
Asteroid Oppositions 2021
1 2 3 4 5 6 7 8 9 10
Moon
1000 km
Pluto
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
52AU
Apr 17 136108 Haumea BootesMag=17.3
49AU
Jul 18 134340 Pluto SagittariusMag=14.9
33AU
Oct 17 136199 Eris CetusMag=18.7
94AU
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
Lunar Occultations 2021
Images from Stellarium
• May 16 – Moon occults Kappa Gem, mag=4.1
• Evening Sky
• Starts 20:32 (8:32pm)
• End 21:35 (9:35am)
Lunar Occultations 2021
Images from Stellarium
• Nov 1 – Moon occults v Virginis, mag=3.4
• Evening Sky
• Starts 6:57 (6:57am)
• End 8:11 (8:11am)
Lunar Occultations 2021
Images from Stellarium
• 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
Lunar Conjunctions 2021
Images from Stellarium
• May 15 – Moon 1.5o from Mars
• In Gemini
• Evening Sky
• 11:30pm
Lunar Conjunctions 2021
Images from Stellarium
• Jun 11 – Moon 2.5o from Venus
• In Gemini
• Evening Sky
• 9:30pm, 4o above horizon
Lunar Conjunctions 2021
Images from Stellarium
• Nov 7 – Moon 3.5o from Venus
• In Sagittarius
• Evening Sky
• 6:30pm, 12o above horizon
Lunar Conjunctions 2021
Images from Stellarium
• Dec 6 – Moon 2.5o from Venus
• In Sagittarius
• Evening Sky
• 5:30pm, 15o above horizon
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
Planet Conjunctions 2021
Images from Stellarium
• Jan 19 – Mars and Uranus
• Evening sky
• 10pm
• 35o above horizon
Planet Conjunctions 2021
Images from Stellarium
• 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!!
Planet Conjunctions 2021
Images from Stellarium
• Feb 23 – Jupiter, Saturn, Mercury before sunrise
• In Capricornus
• Morning Sky
• 6:00am, 5o above horizon
Planet Conjunctions 2021
Images from Stellarium
• Mar 4 – Jupiter, Saturn, Mercury before sunrise
• Jupiter and Mercury ½ deg apart
• In Capricornus
• Morning Sky
• 5:45am, 5o above horizon
Planet Conjunctions 2021
Images from Stellarium
• May 28 – Venus, Mercury after sunset
• Venus and Mercury 1/3 deg apart
• Evening Sky
• 8:45pm, 8o above horizon
Planet Conjunctions 2021
Images from Stellarium
• Jul 13 – Venus, Mars after sunset
• Venus and Mercury 1/2 deg apart
• Evening Sky
• 9:45pm, 3o above horizon
Planet Conjunctions 2021
Images from Stellarium
• Aug 18 – Mars and Mercury after sunset
• Mars and Mercury 5 arc-minutes apart !!
• Evening Sky
• 8:30pm, 1o above horizon
• 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
Deep Sky Conjunctions 2021
Images from Stellarium
• Mar 2 & 3 – Mars and Pleiades
• 2 ½ deg
• Evening Sky
• 8:30pm
Deep Sky Conjunctions 2021
Images from Stellarium
• Apr 26 – Mars and M35
• 1 deg
• Evening Sky
• 9:30pm
Deep Sky Conjunctions 2021
Images from Stellarium
• May 3 – Mercury and Pleiades
• 2 ½ deg
• 5 degrees above horizon
• Evening Sky
• 9 pm
Deep Sky Conjunctions 2021
Images from Stellarium
• Jun 23 – Mars and Bee Hive Cluster
• 0 deg !
• 15 degrees above horizon
• Evening Sky
• 9pm
Deep Sky Conjunctions 2021
Images from Stellarium
• Jul 2 – Venus and Bee Hive Cluster
• 1.5 deg !
• 1 degrees above horizon
• Evening Sky
• 10pm
• Very difficult
Deep Sky Conjunctions 2021
Images from Stellarium
• Jul 21 – Venus and Regulus (and Mars)
• 1 deg !
• 5 degrees above horizon
• Evening Sky
• 9:30pm
Deep Sky Conjunctions 2021
Images from Stellarium
• Jul 29 – Mars and Regulus
• >1 deg apart
• 5 degrees above horizon
• Evening Sky
• 9 pm
• Difficult
Deep Sky Conjunctions 2021
Images from Stellarium
• Oct 16 – Venus and Antares
• 1 ¼ deg
• 15 degrees above horizon
• Evening Sky
• 9:30pm
Asteroid Occultations 2021
Event
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
39°
USA,
Mexico
close double
star
03 Dec 2021 , 10:15 UT
(200)
Dyname
ne
mag 13.4 HIP 53071 mag8.52.70m 8.2s
74°USA
close double
star
14 Dec 2021
, 09:26 UT
(22)
Kalliopemag 10.3 YC 2441-00670-1 mag10.7
0.58m
14.7s 69°
E USA,
W
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