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.
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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 10 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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