Astronomical Observing from Fishcreek Observing Site
 Friday 7/15/2011 at 10:11:02pm (nautical twilight)

                    Sunset:  9:00pm
       Civil twilight ends:  9:30pm
    Nautical twilight ends: 10:11pm
Astronomical twilight ends: 10:58pm

Moon Phase: 99.16% illuminated (waning gibbous)
      Rise: 9:04pm
       Age: 14d 17h 16m since last New Moon

We hope to see you here for a night under the stars - now in our sixteenth year!
The full Moon will be with us all night, and you know what that means: the dim DSOs (Deep Space Objects) that we love to view will be largely lost in the glare of the moonlight. Some detail on the Moon will be visible, but with the face-on view, it just isn't the best time to view. However, planet, double-star and brighter open & globular clusters will still be available. We'll have beautiful Saturn with its magnificent rings and moons, 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 marginally visible. Galaxies will be difficult unless the night is perfectly clear.

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

    Sun is obviously unavailable to us, it IS night time after all. ;^)
    Mercury is setting 79 minutes after sunset but very difficult see since it's lost in the glare of the sun.
    Venus is now visible in the morning rising 43 minutes before sunrise.
    Earth is what you'll be standing on as you look up. ;^)
    Mars is a morning object now, rising more than 2 hours before sunrise.
    Jupiter is an early morning object rising at 1:19am.
    Saturn is visible in the evening and night. It sets at 12:34am.
    Uranus rises at 11:59pm.
    Neptune rises at 10:38pm.
 
  Pluto rises at sunset, but so incredibly small and dim that we can't see a thing in our telescopes!
    Moon is just past full rising at 9:04pm this evening and setting at 7:37am tomorrow morning.

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' 38.4"
 Latitude: N41 11' 11.1"
 Altitude: 337m

The following Sun, Moon and planet detail was calculated as it
will be on Friday 7/15/2011 at 10:11:02pm (nautical twilight).
Source: Guide8 software available from www.projectpluto.com

ABOVE HORIZON:
Object       Mag    Const     Rise     Set
Mercury      0.3     Leo     08:18   22:19
Saturn       0.9     Vir     12:40   00:34
Pluto       14.2     Sgr     19:19   05:11
Moon       -12.4     Cap     21:04   07:37

BELOW HORIZON:
Object       Mag    Const     Rise     Set
Sun        -26.7     Gem     06:02   21:00
Venus       -3.9     Gem     05:19   20:29
Mars         1.4     Tau     03:24   18:31
Jupiter     -2.3     Ari     01:19   15:02
Uranus       5.8     Psc     23:59   12:16
Neptune      7.8     Aqr     22:38   09:24

Sun data:
     Rise: 6:02am
     Transit: 1:31pm (Time of highest position in the sky, due South)
     Sets: 9:00pm
     Constellation: Gemini
     Distance: 1.01643525 AU = 152,056,549 km = 94,483,560 miles = 8.47 light-minutes
     Magnitude: -26.7
     Apparent size: 31.47 arcminutes in angular diameter

     Civil twilight ends at: 9:30pm ( When the Sun is 6 below the horizon )
     Nautical twilight ends at: 10:11pm ( When the Sun is 12 below the horizon )
     Astronomical twilight ends at: 10:58pm ( When the Sun is 18 below the horizon )

     Summer began at the Summer Solstice which occurred on Tuesday Jun 21, 2011 at 1:17pm
     Fall begins at the Autumnal Equinox which will occur on Friday Sep 23, 2011 at 5:05am

     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 7/15/2011 at 10:11:02pm the Sun will be 12 below the west-northwest horizon

Moon data:
     Rise: 9:04pm
     Transit: 2:17am - Jul 16 (Time of highest position in the sky, due South)
     Sets: 7:37am - Jul 16
     Constellation: Capricornus
     Phase:  99.16% illuminated (waning gibbous)
     Distance: 0.00258926 AU = 387,348 km = 240,687 miles = 1.29 light-seconds
     Magnitude: -12.4
     Apparent size: 30.84 arcminutes in angular diameter
     Elongation from Sun: 169.44 (morning sky)
     Age: 14d 17h 16m since last New Moon
     Prior Phase: Full Moon on Friday Jul 15, 2011 at 2:40am
      Next Phase: Last Quarter on Saturday Jul 23, 2011 at 1:02am
     Next Lunar eclipse: Total eclipse (100%) on Sunday Sept 27, 2015 at 10:10pm EDT
     On 7/15/2011 at 10:11:02pm the Moon will be 9.5 above the east-southeast horizon

Mercury data:
     Rise: 8:18am
     Transit: 3:19pm (Time of highest position in the sky, due South)
     Sets: 10:19pm
     Constellation: Leo
     Phase:  50.67% illuminated
     Distance: .91636526 AU = 137,086,291 km = 85,181,473 miles = 7.63 light-minutes
     Magnitude: 0.3
     Apparent size: 7.34 arcseconds in angular diameter
     Elongation from Sun: 26.42 (evening sky)
     Next maximum elongations...
          Evening: Wednesday, July 20, 2011 (26 49' 02")
          Morning: Saturday, September 3, 2011 (18 06' 39")
     On 7/15/2011 at 10:11:02pm Mercury will be 0.4 above the west horizon

Venus data:
     Rise: 5:19am
     Transit: 12:54pm (Time of highest position in the sky, due South)
     Sets: 8:29pm
     Constellation: Gemini
     Phase:  98.86% illuminated
     Distance: 1.7079761 AU = 255,509,587 km = 158,766,299 miles = 14.23 light-minutes
     Magnitude: -3.9
     Apparent size: 9.77 arcseconds in ngular diameter
     Elongation from Sun: 8.65 (morning sky)
     Next maximum elongations...
          Evening: Tuesday, March 27, 2012 (46 02' 27")
          Morning: Wednesday, August 15, 2012 (45 48' 10")
     On 7/15/2011 at 10:11:02pm Venus will be 15.4 below the northwest horizon

Mars data:
     Rise: 3:24am
     Transit: 10:57am (Time of highest position in the sky, due South)
     Sets: 6:31pm
     Constellation: Taurus
     Phase:  95.82% illuminated
     Distance: 2.18244481 AU = 326,489,096 km = 202,870,921 miles = 18.18 light-minutes
     Magnitude: 1.4
     Apparent size: 4.29 arcseconds in angular diameter
     Elongation from Sun: 35.69 (morning sky)
     Dates of Opposition (when Mars is closest to Earth)
        Previous: Friday Jan 29, 2010 at 2:21pm.  Distance: 99,400,435 km.  Size: 14.08 arcseconds.
            Next: Saturday Mar 3, 2012 at 3:52pm.  Distance: 100,839,728 km.  Size: 13.88 arcseconds.
     On 7/15/2011 at 10:11:02pm Mars will be 25 below the north-northwest 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/highlights/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: 1:19am - Jul 16
     Transit: 8:10am - Jul 16 (Time of highest position in the sky, due South)
     Sets: 3:02pm - Jul 16
     Constellation: Aries
     Phase:  99.00% illuminated
     Distance: 5.09799382 AU = 762,649,020 km = 473,888,137 miles = 42.46 light-minutes
     Magnitude: -2.3
     Apparent size: 38.67 arcseconds in angular diameter
     Elongation from Sun: 76.08 (morning sky)
     Dates of Opposition (when Jupiter is closest to Earth)
        Previous: Tuesday Sep 21, 2010 at 7:28am
            Next: Friday Oct 28, 2011 at 9:37pm
     On 7/15/2011 at 10:11:02pm Jupiter will be 29.5 below the north-northeast horizon
 
     Next transit of the Great Red Spot: Friday Jul 15, 2011 at 10:14pm (The Red Spot transits about every 9 hours 56 minutes)
     GRS longitude: 162.9
     Jupiter satellite events (during darkness):
          Ganymede shadow transit begins on Saturday Jul 16, 2011 at 1:28am when Jupiter is 0.3 above the horizon
          Ganymede shadow transit ends on Saturday Jul 16, 2011 at 3:41am when Jupiter is 25.1 above the horizon

Saturn data:
     Rise: 12:40pm
     Transit: 6:37pm (Time of highest position in the sky, due South)
     Sets: 0:34am - Jul 16
     Constellation: Virgo
     Phase:  99.73% illuminated
     Distance: 9.80146881 AU = 1,466,278,863 km = 911,103,457 miles = 1.36 light-hours
     Magnitude: 0.9
     Apparent size: 16.96 arcseconds in angular diameter
     Elongation from Sun: 78.10 (evening sky)
     Dates of Opposition (when Saturn is closest to Earth)
        Previous: Sunday Apr 3, 2011 at 7:48pm
            Next: Sunday Apr 15, 2012 at 2:19pm
     On 7/15/2011 at 10:11:02pm Saturn will be 24.9 above the southwest horizon

Uranus data:
     Rise: 11:59pm
     Transit: 6:07am - Jul 16 (Time of highest position in the sky, due South)
     Sets: 12:16pm - Jul 16
     Constellation: Pisces
     Phase:  99.94% illuminated
     Distance: 19.73413532 AU = 2,952,184,623 km = 1,834,402,502 miles = 2.74 light-hours
     Magnitude: 5.8
     Apparent size: 3.57 arcseconds in angular diameter
     Elongation from Sun: 108.70 (morning sky)
     Dates of Opposition (when Uranus is closest to Earth)
        Previous: Tuesday Sep 21, 2010 at 12:51pm
            Next: Sunday Sep 25, 2011 at 8:07pm
     On 7/15/2011 at 10:11:02pm Uranus will be 21 below the east-northeast horizon

Neptune data:
     Rise: 10:38pm
     Transit: 4:01am - Jul 16 (Time of highest position in the sky, due South)
     Sets: 9:24am - Jul 16
     Constellation: Aquarius
     Phase:  99.99% illuminated
     Distance: 29.19209717 AU = 4,367,075,577 km = 2,713,574,992 miles = 4.05 light-hours
     Magnitude: 7.8
     Apparent size: 2.34 arcseconds in angular diameter
     Elongation from Sun: 142.78 (morning sky)
     Dates of Opposition (when Neptune is closest to Earth)
        Previous: Friday Aug 20, 2010 at 5:59am
            Next: Monday Aug 22, 2011 at 7:18pm
     On 7/15/2011 at 10:11:02pm Neptune will be 6.1 below the east horizon

Pluto (Dwarf Planet aka Asteroid 134340) data:
     Rise: 7:19pm
     Transit: 0:15am - Jul 16 (Time of highest position in the sky, due South)
     Sets: 5:11am - Jul 16
     Constellation: Sagittarius
     Phase:  100.00% illuminated
     Distance: 31.09328319 AU = 4,651,488,958 km = 2,890,301,276 miles = 4.32 light-hours
     Magnitude: 14.2
     Apparent size: 0.11 arcseconds in angular diameter
     Elongation from Sun: 161.96 (evening sky)
     Dates of Opposition (when Pluto is closest to Earth)
        Previous: Tuesday Jun 28, 2011 at 1:23am
            Next: Friday Jun 29, 2012 at 11:03am
     On 7/15/2011 at 10:11:02pm Pluto will be 23.4 above the southeast horizon
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