Astronomical Observing from Fishcreek Observing Site - Friday 4/30/2010 at 9:28:16pm (nautical twilight).

                    Sunset:  8:24pm
       Civil twilight ends:  8:52pm
    Nautical twilight ends:  9:28pm
Astronomical twilight ends: 10:08pm

Moon Phase: 92.00% illuminated (waning gibbous)
      Rise: 11:10pm
       Age: 16d 12h 57m since last New Moon

We hope to see you here for a night under the stars - now in our fifteenth year!
We're still waiting for the field to dry sufficiently to support our vehicles.  Watch this page for updates.
There's a chance that by this date the field will be dry and our first event of the year can take place.

Be sure to hit the REFRESH / RELOAD button on your browser
(or the <F5> key on your keyboard) for up-to-date information

If cancellation is necessary for any reason, it will be announced here.
Please check back prior to the event before heading out.

This event has been CANCELLED due to a scheduled event at the school.  We'll try again next week.

Based on current weather predictions, this event
would have taken place in  

 



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 & planet detail was calculated as it will be on Friday 4/30/2010 at 9:28:16pm (nautical twilight).
Source: Guide8 software available from ProjectPluto


ABOVE HORIZON:
Object       Mag    Const     Rise     Set
Venus       -3.9     Tau     07:39   22:42
Mars         0.7     Cnc     12:36   03:08
Saturn       0.8     Vir     16:33   05:03


BELOW HORIZON:
Object       Mag    Const     Rise     Set
Sun        -26.7     Ari     06:21   20:24
Mercury      5.1     Ari     06:13   20:04
Jupiter     -2.1     Aqr     04:37   16:23
Uranus       5.9     Psc     04:47   16:50
Neptune      7.9     Aqr     03:30   14:12
Pluto       14.2     Sgr     00:12   10:09
Moon       -11.8     Sco     23:10   08:23


Sun data:
        Rise: 6:21am
     Transit:
1:22pm (Time of highest position in the sky, due South)
        Sets:
8:24pm
     Constellation:
Aries
          Distance:
1.00744929 AU = 150,712,268 km = 93,648,263 miles = 8.39 light-minutes
         Magnitude:
-26.7
     Apparent size:
31.75 arcminutes in angular diameter
            Civil twilight ends at:
  8:52pm ( When the Sun is   6 below the horizon )
         Nautical twilight ends at:
  9:28pm ( When the Sun is 12 below the horizon )
     Astronomical twilight ends at:
10:08pm ( When the Sun is 18 below the horizon )
    
Spring began at the Vernal Equinox which occurred on Saturday Mar 20, 2010 at 1:33pm
    
Summer begins at the Summer Solstice which will occur on Monday Jun 21, 2010 at 7:29am
    
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 4/30/2010 at 9:28:16pm the Sun will be 12 below the west-northwest horizon

Moon data:
        Rise: 11:10pm
     Transit: 
3:47am - May 1 (Time of highest position in the sky, due South)
        Sets: 
8:23am - May 1
     Constellation:
Scorpius
             Phase:
92.00% illuminated (waning gibbous)
          Distance:
0.00259103 AU = 387,612 km = 240,851 miles = 1.29 light-seconds
         Magnitude:
-11.8
     Apparent size:
30.82 arcminutes in angular diameter
     Elongation from Sun:
147.06 (morning sky)
                     Age:
16d 12h 57m since last New Moon
             Prior Phase:
Full Moon on Wednesday Apr 28, 2010 at 8:19am
              Next Phase:
Last Quarter on Thursday May 6, 2010 at 12:15am
      Next Lunar eclipse:
Total eclipse (100%) on Sunday Sept 27, 2015 at 10:10pm EDT
    
On 4/30/2010 at 9:28:16pm the Moon will be 17.9 below the east horizon

Mercury data:
        Rise: 6:13am
     Transit:
1:09pm (Time of highest position in the sky, due South)
        Sets:
8:04pm
     Constellation:
Aries
             Phase: 
0.58% illuminated
          Distance:
.56152938 AU = 84,003,599 km = 52,197,417 miles = 4.68 light-minutes
         Magnitude:
5.1
     Apparent size:
11.98 arcseconds in  angular diameter
     Elongation from Sun:
3.86 (morning sky)
     Next maximum elongations...
          Morning:
Wednesday, May 26, 2010 (25 07' 48")
          Evening:
Saturday, August 7, 2010 (27 22' 00")
    
On 4/30/2010 at 9:28:16pm Mercury will be 15.1 below the west-northwest horizon

Venus data:
        Rise:  7:39am
     Transit: 
3:10pm (Time of highest position in the sky, due South)
        Sets:
10:42pm
     Constellation:
Taurus
             Phase:
88.99% illuminated
          Distance:
1.46191143 AU = 218,698,837 km = 135,893,159 miles = 12.18 light-minutes
         Magnitude:
-3.9
     Apparent size:
11.41 arcseconds in angular diameter
     Elongation from Sun:
26.53 (evening sky)
     Next maximum elongations...
           Evening:
Friday, August 20, 2010 (45 57' 59")
           Morning:
Saturday, January 8, 2011 (46 57' 24")
    
On 4/30/2010 at 9:28:16pm Venus will be 11.3 above the west horizon

Mars data:
        Rise: 12:36pm
     Transit: 
7:52pm (Time of highest position in the sky, due South)
        Sets: 
3:08am - May 1
     Constellation:
Cancer
             Phase:
89.77% illuminated
          Distance:
1.28716275 AU = 192,556,806 km = 119,649,254 miles = 10.72 light-minutes
         Magnitude:
0.7
     Apparent size:
7.27 arcseconds inangular diameter
     Elongation from Sun: 91.94 (evening 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 4/30/2010 at 9:28:16pm Mars will be 59.9 above the southwest horizon

    
No, Mars was *not* "...as big as a Full Moon on August 27!"
    
Please see the following links for more information about this annual 'Mars Hoax'
                    Sky&Telescope
                   
Snopes
                   
Hoax-Slayer
                   
UniverseToday


Jupiter data:
        Rise:  4:37am
     Transit:
10:30am (Time of highest position in the sky, due South)
        Sets: 
4:23pm
     Constellation:
Aquarius
             Phase:
99.45% illuminated
          Distance:
5.61331913 AU = 839,740,589 km = 521,790,617 miles = 46.76 light-minutes
         Magnitude:
-2.1
     Apparent size:
35.12 arcseconds in angular diameter
     Elongation from Sun:
46.80 (morning sky)
     Dates of Opposition (when Jupiter is closest to Earth)
        Previous:
Friday Aug 14, 2009 at 1:44pm
            Next:
Tuesday Sep 21, 2010 at 7:28am
    
Next transit of the Great Red Spot: Saturday May 01, 2010 at 7:18am
                                  
The Red Spot transits about every 9 hours 56 minutes
     GRS longitude:
143.7
     Jupiter satellite events (during darkness):
        
none tonight
    
On 4/30/2010 at 9:28:16pm Jupiter will be 49.8 below the northwest horizon

Saturn data:
        Rise:  4:33pm
     Transit:
10:48pm (Time of highest position in the sky, due South)
        Sets: 
5:03am - May 1
     Constellation:
Virgo
             Phase:
99.87% illuminated
          Distance:
8.73968449 AU = 1,307,438,190 km = 812,404,437 miles = 1.21 light-hours
         Magnitude:
0.8
     Apparent size:
19.02 arcseconds in angular diameter
     Elongation from Sun:
137.91 (evening sky)
     Dates of Opposition (when Saturn is closest to Earth)
        Previous:
Sunday Mar 21, 2010 at 8:28pm
            Next:
Sunday Apr 3, 2011 at 7:48pm
    
On 4/30/2010 at 9:28:16pm Saturn will be 47.6 above the southeast horizon

Uranus data:
        Rise:  4:47am
     Transit:
10:49am (Time of highest position in the sky, due South)
        Sets: 
4:50pm
     Constellation:
Pisces
             Phase:
99.97% illuminated
          Distance:
20.83697509 AU = 3,117,167,105 km = 1,936,917,865 miles = 2.89 light-hours
         Magnitude:
5.9
     Apparent size:
3.38 arcseconds in angular diameter
     Elongation from Sun:
41.63 (morning sky)
     Dates of Opposition (when Uranus is closest to Earth)
        Previous:
Thursday Sep 17, 2009 at 5:34am
            Next:
Tuesday Sep 21, 2010 at 12:51pm
    
On 4/30/2010 at 9:28:16pm Uranus will be 46.1 below the northwest horizon

Neptune data:
        Rise: 3:30am - May 1
     Transit:
8:51am - May 1 (Time of highest position in the sky, due South)
        Sets:
2:12pm - May 1
     Constellation:
Aquarius
             Phase:
99.97% illuminated
          Distance:
30.31478624 AU = 4,535,027,472 km = 2,817,935,462 miles = 4.21 light-hours
         Magnitude:
7.9
     Apparent size:
2.25 arcseconds in angular diameter
     Elongation from Sun:
72.14 (morning sky)
     Dates of Opposition (when Neptune is closest to Earth)
        Previous:
Monday Aug 17, 2009 at 4:47pm
            Next:
Friday Aug 20, 2010 at 5:59am
    
On 4/30/2010 at 9:28:16pm Neptune will be 60.2 below the north horizon

Pluto data: (Dwarf Planet aka Asteroid 134340)
        Rise:  0:12am - May 1
     Transit: 
5:11am - May 1 (Time of highest position in the sky, due South)
        Sets:
10:09am - May 1
     Constellation:
Sagittarius
             Phase:
99.98% illuminated
          Distance:
31.23475138 AU = 4,672,652,298 km = 2,903,451,566 miles = 4.34 light-hours
         Magnitude:
14.2
     Apparent size:
0.11 arcseconds in angular diameter
     Elongation from Sun:
125.15 (morning sky)
     Dates of Opposition (when Pluto is closest to Earth)
        Previous:
Tuesday Jun 23, 2009 at 3:49am
            Next:
Friday Jun 25, 2010 at 2:59pm
    
On 4/30/2010 at 9:28:16pm Pluto will be 31.3 below the east-northeast horizon
 

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