Astronomical Observing from Fishcreek Observing Site
 Friday 7/13/2012 at 10:12:02pm (nautical twilight)

                    Sunset:  9:01pm
       Civil twilight ends:  9:31pm
    Nautical twilight ends: 10:12pm
Astronomical twilight ends: 11:00pm

Moon Phase: 22.97% illuminated (waning crescent)
      Rise: 2:16am - Jul 14
       Age: 24d 11h 16m since last New Moon

We hope to see you here for a night under the stars - now in our seventeenth year!
Tonight we'll have dark skies with us all night since the Moon doesn't rise until 2:16am. Let's make the most of it and look at all the DSO's (Deep Space Objects) we love to see. Saturn, with its beautiful rings and six of its moons will be visible until it sets at 1:07am. Mars is visible, but very small and getting smaller every day now setting 15 minutes after midnight. Jupiter is nowhere to be seen since it's a morning object now rising 3hrs 6min before sunrise. Uranus and Neptune rise extremely late and won't be available to us. Colorful double stars and open clusters made up of hundreds of stars that will look beautiful; the globular clusters will be fantastic as will the planetary nebula formed by dying stars. The diffuse nebula and emission nebula where stars are being born will be visible. Many galaxies will be available to us.

How about the planets...which ones can we see tonight? 

    Sun is obviously unavailable to us, it IS night time after all ;^)
    Mercury is an evening object setting 50 minutes after sunset and will be extremely difficult to see tonight
    Venus rises 2hrs 30min before sunrise and is a beautiful thin waxing crescent
    Earth is what you'll be standing on as you look up. ;^)
    Mars is easily visible after sunset and sets 3hrs 14min after sunset at 0:15am tomorrow morning
    Jupiter is a morning object now rising 3hrs 6min before sunrise
    Saturn is magnificent to see in our telescopes and sets 4hrs 6min after sunset
    Uranus rises 12 minutes after midnight and will be visible this evening if you stay extremely late
    Neptune rises at 10:49pm and is visible this evening if you stay extremely late
 
  Pluto rises at 7:35pm, but so incredibly small and dim that we can't see a thing in our telescopes!
    Moon is an 23% illuminated waning crescent rising at 2:16am

Click here for a list of DeepSky Objects that will be available to us this session.
All times are shown in EDT (Eastern Daylight Time (UT-4)) as seen from Stow, Ohio
Longitude: W 81 25' 38.3"
 Latitude: N41 11' 11.1"
 Altitude: 337m

The following Sun, Moon and planet detail was calculated as it will be
on Friday 7/13/2012 at 10:12:02pm (nautical twilight).
Source: Guide8 software available from www.projectpluto.com

ABOVE HORIZON:
Object       Mag    Const     Rise     Set
Mars         1.0     Vir     12:19   00:16
Saturn       0.7     Vir     13:44   01:08
Pluto       14.2     Sgr     19:35   05:24

BELOW HORIZON:
Object       Mag    Const     Rise     Set
Sun        -26.7     Gem     06:01   21:01
Mercury      1.7     Cnc     07:56   21:51
Venus       -4.7     Tau     03:32   17:53
Jupiter     -2.1     Tau     02:56   17:42
Uranus       5.8     Cet     00:13   12:42
Neptune      7.8     Aqr     22:49   09:41
Moon        -8.5     Tau     02:16   17:24

Mercury rises 1hr 55min after sunrise	 Mercury sets 50min after sunset		
Venus rises 2hrs 30min before sunrise	 Venus sets 3hrs 9min before sunset		
Mars rises 6hrs 18min after sunrise	 Mars sets 3hrs 14min after sunset		
Jupiter rises 3hrs 6min before sunrise	 Jupiter sets 3hrs 19min before sunset		
Saturn rises 7hrs 42min after sunrise	 Saturn sets 4hrs 6min after sunset		
Uranus rises 5hrs 49min before sunrise	 Uranus sets 8hrs 19min before sunset		
Neptune rises 16hrs 48min after sunrise	 Neptune sets 12hrs 39min after sunset		
Pluto rises 13hrs 34min after sunrise	 Pluto sets 8hrs 22min after sunset		
Luna rises 3hrs 45min before sunrise	 Luna sets 3hrs 37min before sunset		

Sun data:
     Rise: 6:01am
     Transit: 1:32pm (Time of highest position in the sky, due South)
     Sets: 9:01pm
     Constellation: Gemini
     Distance: 1.01652288 AU = 152,069,658 km = 94,491,706 miles = 8.47 light-minutes
     Magnitude: -26.7
     Apparent size: 31.47 arcminutes in angular diameter

     Civil twilight ends at: 9:31pm ( When the Sun is 6 below the horizon )
     Nautical twilight ends at: 10:12pm ( When the Sun is 12 below the horizon )
     Astronomical twilight ends at: 11:00pm ( When the Sun is 18 below the horizon )

     Summer began at the Summer Solstice which occurred on Wednesday Jun 20, 2012 at 7:09pm
     Fall begins at the Autumnal Equinox which will occur on Saturday Sep 22, 2012 at 10:49am

     Next Solar Eclipse: Partial eclipse (>80%) on Monday August 21, 2017 2:30pm EDT
     Next TOTAL Solar Eclipse: Monday April 8, 2024 at 3:15pm
     On 7/13/2012 at 10:12:02pm the Sun will be 12 below the west-northwest horizon

Moon data:
     Rise: 2:16am - Jul 14
     Transit: 9:48am - Jul 14 (Time of highest position in the sky, due South)
     Sets: 5:24pm - Jul 14
     Constellation: Taurus
     Phase:  22.97% illuminated (waning crescent)
     Distance: 0.00272539 AU = 407,712 km = 253,340 miles = 1.36 light-seconds
     Magnitude: -8.5
     Apparent size: 29.30 arcminutes in angular diameter
     Elongation from Sun: 57.15 (morning sky)
     Age: 24d 11h 16m since last New Moon
     Prior Phase: Last Quarter on Tuesday Jul 10, 2012 at 9:48pm
      Next Phase: New Moon on Thursday Jul 19, 2012 at 12:24am
     Next Lunar eclipse: Total eclipse (100%) on Sunday Sept 27, 2015 at 10:10pm EDT
     On 7/13/2012 at 10:12:02pm the Moon will be 28.9 below the north horizon

Mercury data:
     Rise: 7:56am
     Transit: 2:54pm (Time of highest position in the sky, due South)
     Sets: 9:51pm
     Constellation: Cancer
     Phase:  18.00% illuminated
     Distance: .65296754 AU = 97,682,553 km = 60,697,125 miles = 5.44 light-minutes
     Magnitude: 1.7
     Apparent size: 10.30 arcseconds in  angular diameter
     Elongation from Sun: 20.63 (evening sky)
     Next maximum elongations...
          Morning: Thursday, August 16, 2012 (18 41' 31")
          Evening: Friday, October 26, 2012 (24 04' 52")
     Conjunctions of Mercury...
            Prior: Superior Conjunction on Sunday, May 27, 2012 at 5:58:49am
             Next: Inferior Conjunction on Saturday, Jul 28, 2012 at 5:06:27pm
             Next: Superior Conjunction on Monday, Sep 10, 2012 at 11:14:14am
     On 7/13/2012 at 10:12:02pm Mercury will be 4.8 below the west-northwest horizon

Venus data:
     Rise: 3:32am
     Transit: 10:42am (Time of highest position in the sky, due South)
     Sets: 5:53pm
     Constellation: Taurus
     Phase:  28.28% illuminated
     Distance: .46021402 AU = 68,847,037 km = 42,779,566 miles = 3.83 light-minutes
     Magnitude: -4.7
     Apparent size: 36.26 arcseconds in angular diameter
     Elongation from Sun: 40.18 (morning sky)
     Next maximum elongations...
          Morning: Wednesday, August 15, 2012 (45 48' 10")
          Evening: Friday, November 1, 2013 (47 04' 26")
     Conjunctions of Venus...
            Prior: Inferior Conjunction on Tuesday, Jun 5, 2012 at 9:32:09pm
             Next: Superior Conjunction on Thursday, Mar 28, 2013 at 8:37:10pm
             Next: Inferior Conjunction on Friday, Jan 10, 2014 at 9:34:31pm
     On 7/13/2012 at 10:12:02pm Venus will be 30.8 below the north-northwest horizon

Mars data:
     Rise: 12:19pm
     Transit: 6:18pm (Time of highest position in the sky, due South)
     Sets: 0:16am - Jul 14
     Constellation: Virgo
     Phase:  89.10% illuminated
     Distance: 1.5100703 AU = 225,903,301 km = 140,369,805 miles = 12.58 light-minutes
     Magnitude: 1.0
     Apparent size: 6.20 arcseconds in angular diameter
     Elongation from Sun: 73.65 (evening sky)
     Dates of Opposition (when Mars is closest to Earth)
        Previous: Saturday Mar 3, 2012 at 3:52pm.  Distance: 100,839,728 km.  Size: 13.88 arcseconds.
            Next: Tuesday Apr 8, 2014 at 6:03pm.  Distance: 92,875,374 km.  Size: 15.07 arcseconds.
     On 7/13/2012 at 10:12:02pm Mars will be 21.6 above the southwest horizon

     Question: Will Mars be "as big as a Full Moon on August 27!" ???
       Answer: ABSOLUTELY NOT!!!

     Question: Will there be "Two Full Moons in the Sky!" ???
       Answer: ABSOLUTELY NOT!!!

     Mars was the closest in recorded history on August 27, but that was only in 2003, not every year!
     At that time, it appeared to be 1/75th the apparent diameter of the Moon!  NOT the "same size as the Full Moon".

     Please check these respected sites for their stories on the "Mars hoax" by clicking on the links below:
         http://www.skyandtelescope.com/observing/home/8708182.html
         http://www.snopes.com/science/astronomy/brightmars.asp
         http://www.hoax-slayer.com/mars-earth-close.html
         http://www.universetoday.com/2007/07/25/will-the-mars-look-as-big-as-the-moon-on-august-27-nope/

Jupiter data:
     Rise: 2:56am
     Transit: 10:19am (Time of highest position in the sky, due South)
     Sets: 5:42pm
     Constellation: Taurus
     Phase:  99.48% illuminated
     Distance: 5.67967128 AU = 849,666,730 km = 527,958,436 miles = 47.31 light-minutes
     Magnitude: -2.1
     Apparent size: 34.71 arcseconds in angular diameter
     Elongation from Sun: 45.10 (morning sky)
     Dates of Opposition (when Jupiter is closest to Earth)
        Previous: Friday Oct 28, 2011 at 9:37pm
            Next: Sunday Dec 2, 2012 at 8:41pm
     On 7/13/2012 at 10:12:02pm Jupiter will be 28.1 below the north-northwest horizon
 
     Next transit of the Great Red Spot: Saturday Jul 14, 2012 at  0:07am (The Red Spot transits about every 9 hours 56 minutes)
     GRS longitude: 176.5
     Jupiter satellite events (during darkness):
          None tonight

Saturn data:
     Rise: 1:44pm
     Transit: 7:26pm (Time of highest position in the sky, due South)
     Sets: 1:08am - Jul 14
     Constellation: Virgo
     Phase:  99.73% illuminated
     Distance: 9.67591361 AU = 1,447,496,073 km = 899,432,372 miles = 1.34 light-hours
     Magnitude: 0.7
     Apparent size: 17.18 arcseconds in angular diameter
     Elongation from Sun: 91.00 (evening sky)
     Dates of Opposition (when Saturn is closest to Earth)
        Previous: Sunday Apr 15, 2012 at 2:19pm
            Next: Sunday Apr 28, 2013 at 4:20am
     On 7/13/2012 at 10:12:02pm Saturn will be 28.8 above the southwest horizon

Uranus data:
     Rise: 0:13am - Jul 14
     Transit: 6:27am - Jul 14 (Time of highest position in the sky, due South)
     Sets: 12:42pm - Jul 14
     Constellation: Cetus
     Phase:  99.94% illuminated
     Distance: 19.80504429 AU = 2,962,792,454 km = 1,840,993,902 miles = 2.75 light-hours
     Magnitude: 5.8
     Apparent size: 3.56 arcseconds in angular diameter
     Elongation from Sun: 103.52 (morning sky)
     Dates of Opposition (when Uranus is closest to Earth)
        Previous: Sunday Sep 25, 2011 at 8:07pm
            Next: Saturday Sep 29, 2012 at 3:07am
     On 7/13/2012 at 10:12:02pm Uranus will be 23 below the northeast horizon

Neptune data:
     Rise: 10:49pm
     Transit: 4:15am - Jul 14 (Time of highest position in the sky, due South)
     Sets: 9:41am - Jul 14
     Constellation: Aquarius
     Phase:  99.99% illuminated
     Distance: 29.21818854 AU = 4,370,978,791 km = 2,716,000,337 miles = 4.06 light-hours
     Magnitude: 7.8
     Apparent size: 2.34 arcseconds in angular diameter
     Elongation from Sun: 139.30 (morning sky)
     Dates of Opposition (when Neptune is closest to Earth)
        Previous: Monday Aug 22, 2011 at 7:18pm
            Next: Friday Aug 24, 2012 at 8:24am
     On 7/13/2012 at 10:12:02pm Neptune will be 8 below the east horizon

Pluto (Dwarf Planet aka Asteroid 134340) data:
     Rise: 7:35pm
     Transit: 0:29am - Jul 14 (Time of highest position in the sky, due South)
     Sets: 5:24am - Jul 14
     Constellation: Sagittarius
     Phase:  100.00% illuminated
     Distance: 31.27850058 AU = 4,679,197,085 km = 2,907,518,308 miles = 4.34 light-hours
     Magnitude: 14.2
     Apparent size: 0.11 arcseconds in angular diameter
     Elongation from Sun: 165.34 (evening sky)
     Dates of Opposition (when Pluto is closest to Earth)
        Previous: Friday Jun 29, 2012 at 11:03am
            Next: Monday Jul 1, 2013 at 8:06pm
     On 7/13/2012 at 10:12:02pm Pluto will be 21.5 above the southeast horizon
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