Astronomical Observing at Fishcreek - Friday 7/13/2007
This week, the Moon won't be in
the way at all since it doesn't rise until 4:35am Saturday morning, so there will be plenty of
time to catch those ancient photons from the deep sky objects we love.
We'll also be viewing the three planets that are currently well-placed for us:
Saturn and its beautiful rings,
Venus appearing like a tiny crescent Moon in the telescopes, and Jupiter, the
king of the planets.
Jupiter's Great Red Spot should be visible as well as its four moons: Io,
Europa, Ganymede and Callisto. Double stars - some quite colorful - are another class of object
we love to observe and there are plenty of those to see. Globular
clusters, open clusters, planetary nebula and galaxies are all on the agenda.
We'll have another great night with plenty to keep us busy until who knows when.
We hope to see you here for a night under the stars - our twelfth year.
Observing conditions in Stow, map to our location and other useful information
is available here:
ClearSkyClock for Fishcreek Site
(the darker blue the squares are, the better)
For
exact directions to our location, just click on 'Road Map' in the 'Nifty
Links' section immediately below the Sky Clock.
The following Sun, Moon and planet detail was calculated as it will be on
Friday, 7/13/07 at 10:13pm (nautical twilight).
Source: Guide8 software available from
www.projectpluto.com
Quick links:
Sun
Moon
Mercury
Venus
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto &
General Information
All times are shown in EDT (Eastern Daylight Time) as seen from Stow, Ohio.
Sun data:
Rise 6:00am
Transit: 1:31pm (Time of highest position in the sky,
due South)
Sets 9:01pm
Constellation: Gemini
Distance: 1.01658157 AU = 152,078,439 km = 94,497,162
miles
Magnitude: -26.7
Apparent size: 31.47 arcminutes in angular diameter
Civil twilight ends at 9:31pm ( When the Sun is 6
degrees below the horizon )
Nautical twilight ends at 10:13pm ( When the Sun is 12
degrees below the horizon )
Astronomical twilight ends at 11:01pm ( When the Sun is
18 degrees below the horizon )
Autumnal Equinox: Sunday Sept 23, 2007 at 5:51am (when
fall will officially be here)
(back to 'Quick
Links')
Moon data:
Rise 4:35am
Transit: 12:48pm (Time of highest position in the sky,
due South)
Sets 8:54pm
Constellation: Gemini
Phase: 0.32% illuminated (waning crescent)
28.96 days since last New Moon
Distance: 0.00252204 AU = 377,292 km = 234,438 miles
Magnitude: -4.3
Apparent size: 31.66 arcminutes in angular diameter
Elongation from Sun: 6.50 degrees (morning sky)
Next Phase: New Moon on Saturday July 14, 2007 at
8:04am
Next Lunar eclipse: Tuesday August 28, 2007 at 5:51am
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Links')
Mercury data:
Rise 4:55am
Transit: 12:13pm (Time of highest position in the sky,
due South)
Sets 7:32pm
Constellation: Orion
Phase: 20.28% illuminated (waxing crescent)
Distance: 0.72526480 AU = 108,498,069 km = 67,417,575
miles
Elongation from Sun: 18.52 degrees (morning sky)
Magnitude: 1.4
Apparent size: 9.27 arcseconds in angular diameter
(back to 'Quick
Links')
Venus data:
Rise: 9:22am
Transit 4:05pm (Time of highest position in the sky,
due South)
Set: 10:48pm
Constellation: Leo
Phase: 25.26% illuminated (waning crescent)
Elongation from Sun: 38.42 degrees (evening sky)
Distance: 0.43675523 AU = 65,337,653 km = 40,598,936
miles
Magnitude: mag -4.5 (VERY bright!)
Apparent size: 38.20 arcseconds in angular diameter
At 10:13pm Venus will be at an altitude of 5½º
and look like this in the telescopes:
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Links')
Mars data:
Rise: 1:46am Jul 14
Transit 8:45am Jul 14 (Time of highest position in the
sky, due South)
Set: 3:45pm Jul 14
Constellation: Aries
Phase: 86.89% illuminated
Distance: 1.41416931 AU = 211,556,717 km = 131,455,251
miles
Magnitude: mag 0.6
Apparent size: 6.62 arcseconds in angular diameter
(getting larger)
Elongation from Sun: 67.64 degrees (morning sky)
Next close approach of Mars is on Monday, Dec 24, 2007
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Links')
Jupiter data:
Rise: 5:51pm
Transit 10:36pm (Time of highest position in the sky,
due South)
Set: 3:22am Jul 14
Constellation: Ophiuchus (pronounced oh-fee-oo'-cuss)
Phase: 99.61% illuminated
Distance: 4.49281394 AU = 672,115,399 km = 417,633,152
miles
Magnitude: mag -2.5
Elongation from Sun: 139.49 degrees (evening sky)
Apparent size: 43.88 arcseconds in angular diameter
Next transit of the Great Red Spot: July 13 at 11:34pm
At 10:13pm Jupiter and its four moons will be at an altitude of 27⅓º
and look like this in the telescopes
(back to 'Quick
Links')
Saturn data:
Rise: 8:47am
Transit 3:46pm (Time of highest position in the sky,
due South)
Set: 10:45pm
Constellation: Leo
Phase: 99.91% illuminated
Distance: 10.06442758 AU = 1,505,616,936 km =
935,547,002 miles
Magnitude: mag 0.6
Elongation from Sun: 32.47 degrees (evening sky)
Apparent size: 16.51 arcseconds in angular diameter
(back to 'Quick
Links')
Uranus data:
Rise: 11:30pm
Transit 5:17am Jul 14 (Time of highest position in the
sky, due South)
Set: 11:03am Jul 14
Constellation: Aquarius
Phase: 99.95% illuminated
Distance: 19.52358684 AU = 2,920,687,020 km =
1,814,830,798 miles
Magnitude: mag 5.8
Elongation from Sun: 122.78 degrees (morning sky)
Apparent size: 3.61 arcseconds in angular diameter
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Links')
Neptune data:
Rise: 10:21pm
Transit: 3:34am Jul 14 (Time of highest position in the
sky, due South)
Set: 8:46am Jul 14
Constellation: Capricornus
Phase: 99.99% illuminated
Distance: 29.16252598 AU = 4,362,651,791 km =
2,710,826,179 miles
Magnitude: mag 7.8
Elongation from Sun: 149.89 degrees (morning sky)
Apparent size: 2.34 arcseconds in angular diameter
(back to 'Quick
Links')
Pluto
(Dwarf Planet aka Asteroid 134340)
data:
Rise: 6:40pm
Transit 11:46pm (Time of highest position in the sky,
due South)
Set: 4:52am Jul 14
Constellation: Sagittarius
Phase: 100.00% illuminated
Distance: 30.38962639 AU = 4,546,223,399 km =
2,824,892,289 miles
Magnitude: mag 14.1
Elongation from Sun: 154.79 degrees (evening sky)
Apparent size: 0.11 arcseconds in angular diameter
(back to 'Quick
Links')
General Information -
Q&A of Where, When and What
Very sincerely yours,
Dave Jessie
"Time spent observing the heavens is not deducted from your life span"
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