Astronomical Observing at Fishcreek - Friday 9/18/2009

Event Report:

We had a great night of observing and introduced many new folks to the joys of amateur astronomy.  The weather cooperated and provided unobstructed views of dim deep-sky objects without the light of the Moon interfering.  It's been a very long time since we had a clear night on a the night of a New Moon, and it was greatly appreciated.  The ISS fly-over and the Iridium flare brightening right on schedule provided another interesting sight many had not seen before.  We'll be back out on Friday 10/2/09.  See you then!

I want to personally thank all the wonderful people that came out tonight.  These programs are for you, and you make them a joy to do.

Click HERE for a printer-friendly version of the information on this page.

Click HERE for general Information you should know about our events - Q&A of Where, When and What.

Click HERE for satellite passes this evening. 

Tonight we have a Moonless night that will enable us to observe all those distant faint objects we've been waiting to see!  Jupiter is putting on a show for us again, with Io and Europa being occulted (moving behind Jupiter) and then emerging from eclipse later - very similar to what we observed on Friday 9/4/09 - but shifted about 2 hours later.  They will appear, it seems, out of thin air.  It's quite a sight!  Also, we have the colorful double stars, open clusters made up of hundreds of stars, the globular clusters comprised of hundreds of thousands of stars, planetary nebula formed by dying stars, diffuse nebula and emission nebula where stars are being born, and galaxies we can observe since the light of the Moon won't drown out the dim light of these distant island universes.

Click HERE for a list of DeepSky Objects that will be available to us this session.

We hope to see you here for a night under the stars - now in our fifteenth year!

Quick links:
    Inner Solar System     Outer Solar System

Note: All times are shown in EDT (Eastern Daylight Time (UT-4)) as seen from Stow, Ohio

Longitude:

W 81 25' 38.4"
Latitude: N 41 11' 11.1"
Altitude:

 337m


The following Sun, Moon and planet detail was calculated as it will be
on Friday
9/18/2009 at 8:29:13pm EDT (nautical twilight)
Source: Guide8 software available from www.projectpluto.com

Above Horizon Below Horizon Constellation Mag Rises Sets
  Sun Virgo -26.7 07:06 19:32
  Mercury Virgo 4.6 07:33 19:21
  Venus Leo -3.9 04:41 18:28
  Mars Gemini 0.9 01:04 16:13
Jupiter   Capricornus -2.7 17:50 04:02
  Saturn Virgo 1.1 07:01 19:38
Uranus   Pisces 5.7 19:19 07:08
Neptune   Capricornus 7.8 18:04 04:35
Pluto   Sagittarius 14.2 14:36 00:36
  Moon Virgo -4.3 06:56 19:11

 

Sun data
 
Rises:

 7:06am

Transits:

 1:19pm - Time of highest position in the sky, due South

Sets:

 7:32pm

Constellation:

Virgo

Distance:

1.00463344 AU = 150,291,024 km = 93,386,514 miles = 8.37 light-minutes

Magnitude:

-26.7

Apparent size:

31.84 arcminutes in angular diameter

Twilight ends...

Civil:

 7:57pm - Sun is   6 below the horizon

Nautical:

 8:29pm - Sun is 12 below the horizon

Astronomical:

 9:02pm - Sun is 18 below the horizon

Summer began:

at the Summer Solstice which occurred on Sunday Jun 21, 2009 at 1:46am

Fall begins:

at the Autumnal Equinox which will occur on Tuesday Sep 22, 2009 at 5:19pm

Next Solar Eclipses in Stow, Ohio:
    Partial eclipse (>80%) on Monday August 21, 2017 2:30pm EDT
    Total eclipse (an amazing sight!) on Monday April 8, 2024 2:15pm EST (3:15pm EDT)

On 9/18/2009 at 8:29:13pm the Sun will be 12 below the west horizon

(back to 'Quick Links')

 

Moon data
 
Rises:

 6:56am

Transits:

 1:09pm (Time of highest position in the sky, due South)

Sets:

 7:11pm

Constellation:

Virgo

Phase:

0.28% illuminated (tiny waxing crescent)

Distance:

0.00247786 AU = 370,682 km = 230,331 miles = 1.24 light-seconds

Magnitude:

-4.3

Apparent size:

32.23 arcminutes in angular diameter

Elongation from Sun:

6.00 (evening sky)

Age:

0d 5h 45m since last New Moon

Prior Phase:

New Moon on Friday Sep 18, 2009 at 2:44pm

Next Phase:

First Quarter on Saturday Sep 26, 2009 at 12:50am

Next Lunar eclipse:

Total eclipse (100%) on Sunday Sept 27, 2015 at 10:10pm EDT


On 9/18/2009 at 8:29:13pm the Moon will be 15.7 below the west horizon
This is an impossible image!  A Moon this young is totally hidden by the glare of the Sun and no background stars could be seen.

Note: All graphics are correct-image representations.  A telescope will reverse this left-right and possibly invert up-down depending on type of equipment being used.

(back to 'Quick Links')

 

Mercury data
 
Rises:

7:33am

Transits:

1:26pm - Time of highest position in the sky, due South

Sets:

7:21pm

Constellation:

Virgo

Phase:

1.12% illuminated

Distance:

0.64358489 AU = 96,278,929 km = 59,824,954 miles = 5.36 light-minutes

Magnitude:

4.6

Apparent size:

10.45 arcseconds in angular diameter

Elongation from Sun:

4.41 (evening sky)

Next maximum elongations...
Morning:

Morning: Tuesday, October 6, 2009 (17 56' 43")

Evening:

Friday, December 18, 2009 (20 17' 43")


On 9/18/2009 at 8:29:13pm Mercury will be 13.9
below the west horizon

(back to 'Quick Links')

 

Venus data
 
Rises:   4:41am
Transits: 11:35am - Time of highest position in the sky, due South
Sets:   6:28pm
Constellation:

Leo

Phase:

87.63% illuminated

Distance:

1.42709809 AU = 213,490,836 km = 132,657,057 miles = 11.89 light-minutes

Magnitude:

-3.9 (extremely bright, visible in the morning before sunrise)

Apparent size:

11.69 arcseconds in angular diameter

Elongation from Sun:

28.11 (morning sky)

Next maximum elongations...
Evening:

Friday, August 20, 2010 (45 57' 59")

Morning:

Saturday, January 8, 2011 (46 57' 24")


On 9/18/2009 at 8:29:13pm Venus will be 20.9 below the west-northwest horizon


(back to 'Quick Links')

 

Mars data
 
Rises:

1:04am

Transits:

8:39am - Time of highest position in the sky, due South

Sets:

4:13pm

Constellation:

Gemini

Phase:

88.81% illuminated

Distance:

1.49301977 AU = 223,352,578 km = 138,784,859 miles = 12.44 light-minutes

Magnitude:

0.9

Apparent size:

6.27 arcseconds in angular diameter

Elongation from Sun:

71.33 (morning sky)

Dates of Opposition (when Mars is closest to the Earth)

Previous:

Monday Dec 24, 2007 at 2:29pm

Next:

Friday Jan 29, 2010 at 3:21pm

Next close approach:

Friday Jan 29, 2010


On 9/18/2009 at 8:29:13pm Mars will be 25.7 below the north-northwest horizon

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

(back to 'Quick Links')

 

Jupiter data
 
Rises:

  5:50pm

Transits:

10:56pm - Time of highest position in the sky, due South

Sets:

  4:02am - Sep 19

Constellation:

Capricornus

Phase:

99.62% illuminated

Distance:

4.20174443 AU = 628,572,020 km = 390,576,550 miles = 35 light-minutes

Magnitude:

-2.7

Apparent size:

46.92 arcseconds in angular diameter

Elongation from Sun:

141.87 (evening sky)

Dates of Opposition (when Jupiter is closest to the Earth)

Previous:

Friday Aug 14, 2009 at 1:44pm

Next:

Tuesday Sep 21, 2010 at 7:28am


On 9/18/2009 at 8:29:13pm Jupiter will be 23 above the southeast horizon
In the Jupiter animation (below) beginning at 8:59:13pm, the frames are separated by ten minutes.
Notice Io being occulted at 9:40pm, Europa being occulted at 11:11pm. Io coming out of eclipse at 00:47am and Europa coming out of eclipse at 3:49am


Note: All graphics are correct-image representations.  A telescope will reverse this left-right and possibly invert up-down depending on type of equipment being used.

Next transit of the Great Red Spot: Saturday Sep 19, 2009 at 0:58am
(The Red Spot transits about every 10 hours 56 minutes)
GRS longitude: 136.0
Jupiter moons activity (during darkness):
        Io occultation begins on Friday Sep 18, 2009 at 9:40pm when Jupiter is 29.7 above the horizon
        Europa occultation begins on Friday Sep 18, 2009 at 11:11pm when Jupiter is 32.3 above the horizon
        Io eclipse ends on Saturday Sep 19, 2009 at 0:47am when Jupiter is 26.9 above the horizon
        Europa eclipse ends on Saturday Sep 19, 2009 at 3:49am when Jupiter is 1.2 above the horizon

(back to 'Quick Links')

 

Saturn data
 
Rises:

7:01am

Transits:

1:19pm - Time of highest position in the sky, due South

Sets:

7:38pm

Constellation:

Virgo

Phase:

100.00% illuminated

Distance:

10.44767807 AU = 1,562,950,393 km = 971,172,361 miles = 1.45 light-hours

Magnitude:

1.1

Apparent size:

15.91 arcseconds in angular diameter

Elongation from Sun:

2.24 (morning sky)

Dates of Opposition (when Saturn is closest to the Earth)

Previous:

Sunday Mar 8, 2009 at 3:44pm

Next:

Sunday Mar 21, 2010 at 8:28pm


On 9/18/2009 at 8:29:13pm Saturn will be 10.6 below the west horizon


Note: All graphics are correct-image representations.  A telescope will reverse this left-right and possibly invert up-down depending on type of equipment being used.

(back to 'Quick Links')

 

Uranus data
 
Rises:

7:19pm

Transits:

1:14am - Sep 19 - Time of highest position in the sky, due South

Sets:

7:08am - Sep 19

Constellation:

Pisces

Phase:

100.00% illuminated

Distance:

19.09385972 AU = 2,856,400,757 km = 1,774,885,166 miles = 2.65 light-hours

Magnitude:

5.7

Apparent size:

3.69 arcseconds in angular diameter

Elongation from Sun:

178.16 (evening sky)

Dates of Opposition (when Uranus is closest to the Earth)

Previous:

Thursday Sep 17, 2009 at 5:34am

Next:

Tuesday Sep 21, 2010 at 12:51pm


On 9/18/2009 at 8:29:13pm Uranus will be 11.9 above the east horizon

(back to 'Quick Links')

 

Neptune data
 
Rises:

  6:04pm

Transits:

11:19pm - Time of highest position in the sky, due South

Sets:

  4:35am - Sep 19

Constellation:

Capricornus

Phase:

99.99% illuminated

Distance:

29.17041776 AU = 4,363,832,384 km = 2,711,559,765 miles = 4.05 light-hours

Magnitude:

7.8

Apparent size:

2.34 arcseconds in angular diameter

Elongation from Sun:

148.02 (evening sky)

Dates of Opposition (when Neptune is closest to the Earth)

Previous:

Monday Aug 17, 2009 at 4:47pm

Next:

Friday Aug 20, 2010 at 5:59am


On 9/18/2009 at 8:29:13pm Neptune will be 22.3 above the east-southeast horizon


(back to 'Quick Links')

 

Pluto (Dwarf Planet aka Asteroid 134340) data
 
Rises:

2:36pm

Transits:

7:36pm - Time of highest position in the sky, due South

Sets:

0:36am - Sep 19

Constellation:

Sagittarius

Phase:

99.98% illuminated

Distance:

31.61564095 AU = 4,729,632,567 km = 2,938,857,464 miles = 4.39 light-hours

Magnitude:

14.2

Apparent size:

0.10 arcseconds in angular diameter

Elongation from Sun:

94.43 (evening sky)

Dates of Opposition (when Pluto is closest to the Earth)

Previous:

Tuesday Jun 23, 2009 at 3:49am

Next:

Friday Jun 25, 2010 at 2:59pm


On 9/18/2009 at 8:29:13pm Pluto will be 29.6 above the south horizon

(back to 'Quick Links')


Inner Solar System - the Sun, Mercury, Venus and Earth
(Created using Software Bisque's
TheSky software)
Notice that Mercury is about to reach inferior conjunction on Sept 20, 2009 at 10:45am
and that Venus is approaching superior conjunction on Jan 11, 2010 at 5:52am


(back to 'Quick Links')
 

Outer Solar System - the Sun, Mars, Jupiter, Uranus, Neptune and Pluto
(Created using Software Bisque's
TheSky software)
Notice that Jupiter and Neptune are now well-past opposition and that Uranus reached opposition yesterday, Sept 17, 2009.
Also notice that Saturn reached conjunction on Sep 17, 2009.  Yesterday, Uranus and Saturn were on opposite sides of the Sun!



(back to 'Quick Links')
 

Click HERE for a printer-friendly version of the information on this page.

Click HERE for general Information you should know about our events - Q&A of Where, When and What.

Click HERE for satellite passes this evening. 

Very sincerely yours,
Dave Jessie
"Time spent observing the heavens is not deducted from your life span"

(back to 'Quick Links')

Back to home page

 

Web hosting generously provided by