presentsceastronomy.org/.../06/2017...presentation-archive.pdfcelestial events to note: •may 28th...
TRANSCRIPT
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Presents
All of The Above
The Month of Saturn
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You are Here
The Summer Solstice!June 21, 2017 – 12:24 AM EDT
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The Summer Solstice!June 21, 2017 – 12:24 AM EDT
What the Solstice means to us:• Late sunsets• Short nights• Less sleep• Grumpy observers• Summer• Bugs • Humidity
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Twilight
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Twilight
May 27, 2017
• Sunset: 8:40 PM
• Astronomical Twilight: 10:20 PM
• Latest Astronomical Twilight in Atlanta for 2017?
• 10:35 PM from June 19 – July 2
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Current Conditions at Jon Wood Field
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Current Conditions at Jon Wood Field(visible satellite: http://www.ssd.noaa.gov/goes/east/eaus/flash-vis.html)
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Current Conditions at Jon Wood Field(Weather forecast data by www.wunderground.com)
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Current Conditions at Jon Wood Field(Jet Stream data by www.weatherstreet.com)
You are Here
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The Solar System: May 27, 2017Body Constellation Rise Set When to View
Sun Taurus 6:28 AM 8:39 PM When you should be at work
Moon Gemini 8:25 AM 10:47 PM Early evening
Mercury Aries 5:23 AM 6:41 PM Next month
Venus Pisces 4:15 AM 4:55 PM Early morning
Mars Taurus 7:38 AM 10:04 PM Next year
Jupiter Virgo 4:13 PM 4:00AM All night
Saturn Ophiuchus 9:55 PM 7:58 AM Most of the night
Uranus Pisces 4:27 AM 5:23 PM In the Fall
Neptune Aquarius 2:35 AM 2:01 PM In late summer
Pluto Sagittarius 11:32 PM 9:40 AM In July
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The Solar Update
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The Sun: May 27, 2017Solar image by www.spaceweather.com
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The Sun-Hα: May 27, 2017Image by www.gong2.nso.edu – El Teide, Spain
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The Sun: May 27, 2017
Sunspot Report
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The Lunar Update
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The Moon: May 27, 2017
Lunation: 2 Day
Illumination: 7.6%
Mag: -4.7
Distance: 224,084 mi360,629 km1.20 Light Second
Apparent Diameter: 33.1’
Location: Gemini
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Lunar Events for
May/June
• May 25th - New Moon
• May 25th - Perigee
• May 31st – 0.3° conjunction with Regulus
• June 1st – First Quarter
• June 9th – Full Moon
• June 17th – Last Quarter
• June 23rd – New Moon
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Solar System Update
Image credit: Mike Shaw
IMAGE OF THE MONTH
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Venus reaches greatest western elongation - June 3rd
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Jupiter “The King” still an amazing all-night show
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Saturn: Planet of the Month
June 15th Opposition
Best views for 2017, Mag 0.0
Rings tilted an impressive 27°
75.21 Light minutes away
29 year orbit, 10 hour day
Volume: 763 Earth
Mass: 95 Earth
62 Moons
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Saturn at Oppostion June 15th
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Constellation Update
HydraSextansCrater
Antlia
CentaurusLupusLibraVirgo
BootesUrsa MinorCorona BorealisDraco
OphiuchusHerculesLyra
ScorpiusSerpens Cauda
Stale in the West:
Meridian Crossing:
Fresh from the East:
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Valorie’s Constellations of the Month:
•Bootes•Corona Borealis•Draco•Ursa Minor
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May/June Target Lists
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May/June Target List: RelaxingPiece of cake
Target Type Constellation Notes Image
Saturn P OphiuchusExceptional planet reaching opposition on June 15th
M92 GC HerculesThe other Globular Cluster in Hercules. 14’, Mag +6.3, Class IV
ε Lyrae DS Lyrae
Double-Double. (ε1 +5.6, +6.1 @ 2.2”), (ε2 +5.2, +5.3 @ 2.4”) ε1 – ε2 = 208”
δ Lyrae DS LyraeColorful Double: δ1 - +5.6 Blue, δ2 - +4.28 Yellow, 175”
Alpha Librae DS Libra
Zubenelgenubi – Voted to be the coolest name in the sky! +2.75, +5.19 @ 231"
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May/June Target List: IntriguingSmall to medium telescopes
Target Type Constellation Notes Image
NGC 6210 PN HerculesCompact planetary nebula in Hercules. 0.3’ x 0.2’, Mag +8.8
NGC 6229 GC HerculesDense little GC in Hercules. 4.5’ Mag +9.8
M101 GX Ursa Major
“The Pinwheel Galaxy”-very large face on galaxy with noted nebulosity. 28.8’ x 26.9’, Mag +7.8
M102 GX DracoAKA: NGC 5866 -“The Spindle Galaxy” 4.7’ x 1.9’, Mag +10.7
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May/June Target List: TaxingLight Buckets
Target Type Constellation Notes Image
NGC 6543 PN Draco“The Cat’s Eye Nebula” – Classic planetary nebula. Mag +9.8
NGC 5634 GC VirgoGlobular Cluster, 2.5’ x 2.5’Mag +10
IC 3568 PN Camelopardalis“The Lemon Slice Nebula” Mag +12.3, but seems much brighter
NGC 4244 GX Canes Venatici
“Silver Needle Galaxy” (AKA Caldwell 26) 16.2’ x 1.8’, Mag +10.2
NGC 5529 GX BootesSweeeet Edge-on galaxy!5.8’ x 0.7’, Mag +11.9
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May/June Observing Challenge:
NGC 5449, 5447/50, 5461, 5462
“Bright” nebula inside M101
Mag +13.5 - +14.0
Knots of stars
Star forming regions
NGC 5449
NGC 5447/5450
NGC 5462
NGC 5461
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Celestial Events to Note:
• May 28th – DAV Memorial Day Picnic
• June 3rd – Venus at greatest western elongation
• June 15th – Saturn is at Opposition
• June 16th – Asteroid Hebe at Opposition
• June 21st – Summer Solstice
• June 21st – Mercury at superior conjunction with the Sun
• June 23rd – Asteroid Harmonia at opposition
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Clear Skies!