Home      Calendar      About OCA      E Zine      Resources      Image Gallery      Members
    www.ocastronomers.org /
You must login to access member-only information
Login
   

Saturday 12/11/2010 Black Star Canyon star party
By: Steve Short
December 8, 2010 5:59AM PDT
Views: 2970


BSC - Saturday 11th December 2010
Hello Fellow
OCA
club members!

This Saturday I plan to open the gate about: 4:15 pm, which is about a half hour before the sun sets. The weather report for this Saturday indicates that Orange County will be sunny, warm (35% humidity) and clear.  The moon will be ¼ lit Saturday evening setting about 10:40 pm. First time visitors might want to get to BSC while it is still light so they can find their way down the dirt road and into the parking area. Remember that you take the 2nd farm gate on the left after turning on Black Star Canyon Road (the 1st farm gate is the Xmas Tree farm). If you come in after dark, you should drive in with your headlights off!!! The dirt road will be marked with red flashers and you can hold a flashlight out the driver’s window to light up the road directly in front of your car.

   Warning:  No Pets allowed!  (This is an Irvine Nature Conservancy property rule)


Satellites:
The ISS (International Space Station) will not make any visible evening passes this Saturday. Also the HST (Hubble Space Telescope) will not make any visible passes Saturday evening and there will not be any visible Iridium flares, but I am sure we will see a few dim satellites pass over as we are looking up in the sky.

Planets:
~Mercury, (Mag 0.1) sets about 6 pm so might be seen this Saturday evening at sunest very low on the horizon. It is about 80 million miles from Earth in constellation Sagittarius.

~Venus, (Mag -4.5) will not be seen this evening as it sets at 2:30 pm but can be seen in the morning as it rises about 3:20 am and is high in the sky (30 degrees) in constellation Virgo at sunrise. It will be very bright even though only about 30 percent illuminated going from 24% to 45% in December while it’s angular diameter will go from 42” to 27”. It is now just 42 million miles from Earth.

 ~Mars, (Mag 1.3) is now in Constellation Sagittarius setting about 5:40 pm just a few degrees below much brighter Mercury.  It is about 220 million miles away, still too far away to see any detail on the planet. We should be able to spot the red planet Saturday evening just after sunset.

~Jupiter, (Mag -2.3) will not set until just after midnight and is so bright that it will become visible in constellation Aquarius as the sun sets. It now is about 440 million miles from Earth getting a little further every day. We should still see lots of detail on the big planet including the North Equatorial Belt (NEB) and just a thin dark SEB line, since that belt is still obscured by something. Largest moon Ganymede and smallest moon Europa will be close together to the east of Jupiter Saturday evening while on the west, will be moon Io and then Callisto much farther away.

~Saturn, (Mag 0.9) sets about 1:30 pm Saturday in constellation Virgo so will not be visible at the BSC star party. Saturn is about 932 million miles away slowly moving closer to Earth. The ringed planet will rise around 1:45 am and is high above Venus at sunrise. By the end of December, the ring will be tilted 10 degrees for the first time in almost 3 years.

~ Uranus, (Mag 5.8) will set 30 minutes after midnight this week, 15 minutes after Jupiter, in constellation Pisces and will be about 3 degrees east of Jupiter so both planets can be seen in the same binocular view. It shows up as a small 3.5” blue-green disc in a telescope and is about 1.850 billion miles away moving further from Earth.

~ Neptune, (Mag 7.9) is in constellation Capricornus, about 2.822 billion miles away this week slowly moving farther from Earth  It is seen as a bluish 2.3” disc in a telescope and we should see it at BSC this Saturday evening as it does not set until 10 pm.

Meteors/Comets/Asteroids:

We will miss the Geminid meteor shower Saturday as it will peak December 14th but is still good the day before and after.  The radiant is just above Castor and the best viewing will be at 3 am where one might see 100 per hour under dark skies. We normally see a few stray meteors at every BSC star party even when no meteor shower is expected.

 

Comet 103P Hartley (Mag 7.7) is in constellation Puppis and is only about 30 million miles from Earth. The comet has a 6.46 year period and on Saturday evening will be 10 degrees due east from Sirius so binoculars aimed there should pick it up.

 

Minor Planet 7 Iris (Mag 8.6) is the 4th brightest object in the asteroid belt with a diameter of about 125 miles. It is in constellation Cancer making a loop just a few degrees north of M67 so should be easy to find this month. Iris is about 123 million miles from Earth and has a period of 3.68 years. It was J.R. Hind’s first asteroid discovery made on August 13, 1847.

 

Minor Planet 6 Hebe (Mag 9.1) is another object in the asteroid belt with a diameter of just over 120 miles. It was once much bigger but a collision formed many pieces that have fallen to Earth. Astronomers think that 40% of Earth’s meteroites came from Hebe. It is in constellation Cetus just in front of the Whale’s head about 15 degrees below Jupiter and 10 degrees east. Hebe is about 138 million miles from Earth and has a period of 3.78 years.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

Minor Planet 1 Ceres (Mag 9.2) can be found in constellation Sagittarius just 5 degrees due east of the Teapot’s handle.  It is about 345 million miles from Earth and has a period of 4.60 years. This is the largest known asteroid having a diamater of about 580 miles. Current research indicates it contains a large volumn of water, enough to fill every fresh water lake and river on Earth.

 

Deep Sky:

This month, lets look at the Messier Trio open clusters in Auriga:

 

M38 (Mag  6.4) is an open cluster found as the apex of an isosceles triangle  inside of Auriga’s pentigon Beta and Theta stars. It is about 4,000 light years away and has a span of about 20 light years. It contains about 100 stars with the brightest having a magnitude of 9.5, but with a small scope one only sees about 7 or 8 stars. It has an age estimated to be 220 million years and Messier discovered this object in 1764. Fainter cluster NGC 1907 is 30’ away.

 

M36  (Mag 6.0) is another open cluster found in the apex of a shallow isosceles triangle inside of Auriga’s pentigon Beta and Theta stars. It is thought to be 3,700 light years away and has a span of 13 light years. It contains about 60 stars with the brightest shining at a magnitude 8.9 and most can be seen with a small scope. It’s age is estimated to be 25 million years and Messier first observed this object in 1764.

 

M37  (Mag 5.6) is another open cluster found in the apex of a shallow isosceles triangle just outside of Auriga’s pentigon Beta and Theta stars. It is thought to be 4,200 light years away and has a span of 29 light years. It contains about 150 stars with the brightest shining at a magnitude 9.2 and there is a bright red star in the middle of this cluster. It’s age is estimated to be 300 million years and Messier first observed this object in 1764.

 

Don't forget to bring your gloves, coats & sweaters because it will get cold after the sun sets and the night approaches midnight when we close. After you set up your telescope, there are three picnic tables where you can sit and eat food you might bring, while waiting for it to get dark. Please remember to cart off all your trash as there are no garbage cans at BSC. Hope to see you there.
.
Your
OCA
star party host,

Steve

Email this Article Printer Friendly Version




Related Articles
- Mars Mania at the UCI-OCA Mars Party
- Saturday 10/04/08 BSC star party
- Impressions of Starry Nights Festival
- Black Star Canyon star party Saturday April 10th 2010
- Anza Star Party, February 2004
- Register for IDA fall meeting and CalStar 2005
- Saturday April 26th Black Star Canyon star party
- Saturday 02/26/11 Black Star Canyon star party
- Bommer Canyon Outreach/Public Viewing event tonight at 8:30
- Blackstar party 12/24/05
- Saturday May 12th Black Star Canyon star party
- Blackstar Canyon star party 01/21/06
- Blackstar Canyon Star Party this Saturday
- Blackstar Canyon star party 04/22/06
- 05/20/06 Black Star Canyon star party
- 04/07/07 Black Star Canyon star party
- 12/23/06 Black Star Canyon star party recap
- 01/13/07 Black Star Canyon recap
- 02/10/07 Black Star Canyon recap
- Blackstar Canyon star party 07/29/06
- June 9th 2007 Black Star Canyon star party
- BSC star party July 7th
- 07/07/07 Blackstar Canyon Recap
- BSC star party Saturday Aug 4th
- 08/04/07 Blackstar Canyon recap
- BSC star party Saurday Sept 1st
- BSC 06/17/06 star party
- Black Star Canyon star party Saturday 03/10/07
- 09/01/07 Black Star Canyon recap
- BSC star party Saturday Oct 6th.
- 10/06/07 BSC star party Recap
- Black Star Canyon star party Saturday 11/03/07 has been cancelled!
- Black Star Canyon star party Saturday 12/01/07
- 04/07/07 Black Star Canyon star party RECAP
- 03/10/07 Black Star Canyon recap
- 12/01/07 BSC star party recap
- Black Star Canyon star party 01/12/08
- Black Star Canyon star party 01/12/08
- 01/12/08 BSC star party recap
- Black Star Canyon star party Saturday 02/09/2008
- Black Star Canyon star party Saturday 02/09/2008
- 02/09/2008 BSC star party recap
- Saturday March 1st Black Star Canyon star party
- Black Star Canyon 08/19/06
- 12th annual Starry Nights Festival September, 2008
- Black Star Canyon 09/16/06
- 10/28/06 Black Star Canyon
- 11/11/06 Blackstar Canyon star party recap
- 03/01/08 BSC star party Recap
- Black Star Canyon star party 03/29/08
- 03/29/08 BSC star party recap
- 04/26/08 BSC star party Recap
- BSC star party Saturday May 31st 2008
- 05/31/08 BSC star party recap
- SoCal Starfest and Special Palomar Observatory Tour
- Saturday evening June 28th Black Star Canyon star party
- 06/28/08 BSC star party recap
- Saturday July 26th Black Star Canyon star party
- 07/26/08 BSC star party recap
- Black Star Canyon star party Saturday August 30th
- August 30th BSC star party recap
- Black Star Canyon star party 09/20/08
- Saturday 09/20/08 BSC star party recap
- Saturday 10/04/08 BSC star party Recap
- Saturday 11/22/08 Black Star Canyon star party
- Saturday 11/22/08 BSC star party recap.
- Black Star Canyon star party Saturday 12/20/2008
- Black Star Canyon star party Saturday 02/28/09
- Saturday 02/28/09 BSC star party recap
- Saturday 03/21/09 Black Star Canyon star party
- Saturday 12/20/08 BSC star party recap
- Black Star Canyon star party Saturday 01/17/09
- Black Star Canyon star party Saturday 01/17/09
- Saturday 01/17/09 BSC star party recap
- Saturday 03/21/09 BSC star party recap
- Saturday April 18th Black Star Canyon star party
- 04/18/09 BSC star party Recap
- Saturday 05/16/09 Black Star Canyon star party
- 05/16/09 BSC star party recap
- Black Star Canyon star party Saturday 06/13/09
- 06/13/09 BSC star party recap
- 07/25/09 Black Star Canyon star party
- 07/25/09 BSC star party recap
- Saturday 08/15/09 Black Star Canyon star party
- 08/15/09 BSC star party RECAP
- Saturday 09/12/09 Black Star Canyon star party
- 09/12/09 BSC star party RECAP
- BSC star party Saturday Oct 10th
- 10/10/09 BSC star party RECAP
- 11/07/09 BSC star party
- 11/07/09 BSC star party recap
- Saturday 12/12/09 Black Star Canyon star party
- BSC star party is cancelled!
- 02/26/11 BSC star party CANCELLED
- Saturday BSC star party January 9th
- 01/09/2010 BSC star party recap
- BSC star party Saturday Feb 06, 2010
- BSC star party 02/06/10 cancelled
- February Anza Star Party Cancelled - There is no Water there. - Do not go to Anza this weekend
- BSC star party this Saturday (03/06/2010)
- BSC star party 03/06/10 cancelled
- 04/10/10 BSC star party RECAP
- Saturday 06/25/11 BSC star party
- BSC star party Saturday May 8th 2010
- 05/08/10 BSC star party Recap
- Saturday 06/05/2010 Black Star Canyon star party
- 06/05/10 BSC star party reap
- Saturday 07/03/10 Black Star Canyon star party
- 07/03/10 BSC star party recap
- Saturday 08/14/2010 Black Star Canyon star party
- 08/14/10 BSC star party recap
- Saturday 09/04/2010 Black Star Canyon star party
- 09/04/2010 BSC star party Recap
- Saturday 10/02/10 Black Star Canyon star party
- 10/02/10 BSC star party recap
- Saturday 11/13/2010 Black Star Canyon star party
- 11/13/10 BSC star party recap
- 12/11/10 BSC star party recap
- Saturday 01/08/2011 Black Star Canyon star party
- 01/08/11 BSC star party CANCELLED
- 03/26/2011 Saturday Black Star Canyon star party
- 03/26/11 BSC star party CANCELLED
- 03/26/11 BSC star party CANCELLED
- Saturday 04/30/11 BSC star party
- 04/30/11 BSC star party recap
- Saturday 05/28/11 BSC star party
- 05/28/11 BSC star party Recap
- Saturday July 23rd Black Star Canyon star party
- Saturday October 1st Black Star Canyon star party
- 10/1/11 BSC star party Recap
- Saturday 10/29/11 Black Star Canyon star party
- 12/17/11 BSC star party cancelled
- 06/25/11 BSC star party Recap
- 07/23/2011 BSC star party recap
- Saturday August 20th Black Star Canyon star party
- 08/20/11 Black Star Canyon star party Recap
- 10/29/11 BSC star party Recap
- Saturday November 19th Black Star Canyon star party
- 11/19/11 BSC star party cancelled
- Saturday December 17th Black Star Canyon star party
- Saturday January 28th Black Star Canyon star party
- January 28th BSC star party cancelled
- Saturday February 25th Black Star Canyon star party
- 02/25/12 BSC star party Recap
- Saturday March 17th Black Star Canyon star party
- March 17th Black Star Canyon star party cancelled
- Saturday April 14th Black Star Canyon star party
- April 14th Black Star Canyon star party cancelled
- Saturday May 12th Black Star Canyon star party
- 05/12/12 BSC star party Recap
- Saturday June 23rd Black Star Canyon star party
- 06/23/12 BSC star party recap
- Saturday July 14th Black Star Canyon star party
- 07/14/12 BSC star party Recap
- Saturday August 11th Black Star Canyon star party
- 08/11/12 BSC star party Recap
- Saturday September 8th Black Star Canyon star party
- 09/08/12 BSC star party Recap
- Saturday October 20th Black Star Canyon star party
- Saturday 10/20/12 BSC star party is cancelled
- Saturday November 17th Black Star Canyon star party
- Saturday November 17th BSC star party cancelled
- Saturday December 8th Black Star Canyon star party
- 12/08/2012 BSC star party Recap
- Saturday 01/05/2013 Black Star Canyon star party
- 01/05/2013 BSC star party Recap
- Saturday 02/02/2013 Black Star Canyon star party
- 02/02/2012 BSC star party cancelled
- Saturday 03/02/2013 Black Star Canyon star party
- 03/02/2013 BSC star party Recap
- Saturday 04/06/2013 Black Star Canyon star party
- 04/06/13 BSC star partyRecap
- Saturday 05/04/2013 Black Star Canyon star party
- 05/04/2013 BSC star party Recap
- Saturday 06/08/2013 Black Star Canyon star party
- Saturday 07/13/2013 Black Star Canyon star party
- Saturday 08/31/2013 Black Star Canyon star party
- 08/31/2013 BSC star party Recap
- Saturday 09/28/2013 Black Star Canyon star party
- 09/28/2013 BSC star party recap
- Saturday 10/26/2013 Black Star Canyon star party
- 10/26/2013 BSC star party recap
- Saturday November 23rd Black Star Canyon star party
- CANCELLED: Saturday November 23rd Black Star Canyon star party
- Saturday December 28th Black Star Canyon star party
- 12/28/13 BSC star party Recap
- Saturday January 25th Black Star Canyon star party
- 01/25/2014 BSC star party Recap
- Saturday February 22nd Black Star Canyon star party
- 02/22/2014 BSC star party Recap
- Saturday March 29th Black Star Canyon star party
- 03/29/2014 BSC star party Recap
- Saturday April 26th Black Star Canyon star party
- 04/26/2014 BSC star party Recap
- Saturday May 24th Black Star Canyon star party
- Tonights May 24th BSC star party is cancelled
- Saturday June 21st Black Star Canyon star party
- 06/21/2014 BSC star party Recap
- Saturday July 19th Black Star Canyon star party
- 07/19/2014 BSC star party Recap
- Saturday August 23rd Black Star Canyon star party
- 08/23/2014 BSC star party Recap
- Saturday September 27th Black Star Canyon star party
- 09/27/2014 BSC star party Recap
- Star Hopping
- Pulsating and Erupting Variable Stars
- Saturday October 18th Black Star canyon star party
- 10/18/14 BSC star party Recap
- Saturday November 22nd Black Star Canyon star party
- 11/22/2014 BSC star party Recap
- Saturday December 13th Black Star Canyon star party
- CANCELLED: Saturday December 13th BSC star party
- Saturday January 24th Black Star Canyon star party
- Saturday January 24th Black Star Canyon star party
- CANCELLED Saturday January 24th BSC star party
- Saturday February 14th Black Star Canyon star party
- January 24th BSC star party Recap
- Saturday Feb 14th BSC star party Recap
- Saturday March 14th Black Star Canyon star party
- Saturday March 14th BSC star party Recap
- Saturday April 11th Black Star Canyon star party
- Saturday April 11th BSC star party Recap
- Saturday May 9th Black Star Canyon star party
- CANCELLED - Saturday May 9th BSC star party
- Saturday June 20th Black Star Canyon star party
- Saturday June 20th BSC star party Recap
- Saturday July 11th Black Star Canyon star party
- Saturday July 11th BSC star party Recap
- Saturday July 11th BSC star party Recap
- Starbeque postponed to August Star Party!!!
- Saturday Aug 8th Black Star Canyon star party
- Saturday Aug 8th BSC star party Recap
- Saturday Sept 5th Black Star Canyon star party
- Saturday Sept 5th BSC star party Recap
- Saturday Oct 3rd Black Star Canyon star party
- Saturday Oct 3rd BSC star party Recap
- Saturday Nov 7th Black Star Canyon star pary
- Saturday Nov 7th Black Star Canyon star party Recap
- Saturday Dec 5th Black Star Canyon star party
- Saturday Dec 5th Black Star Canyon star party Recap
- Saturday Jan 2nd Black Star Canyon star party
- Saturday Jan 2nd Black Star Canyon star party Recap
- Saturday Feb 13th Black Star Canyon star party
- Feb 13th BSC star party Recap
- Saturday March 5th Black Star Canyon star party
- CANCELLED-March 5th BSC star party
- Saturday April 30th Black Star Canyon star party
- Apr 30th BSC star part Recap
- Saturday May 28th Black Star Canyon star party
- May 28th BSC star party Recap
- Saturday June 24th Black Star Canyon star party
- June 25th BSC star party Recap
- Starbecue on 7/30/16!
- Saturday July 30th Black Star Canyon star party
- July 30th BSC star party Recap
- Saturday August 27th BSC star party
- August 27th BSC star party Recap
- Saturday September 24th BSC star party
- September 24th BSC star party Recap
- Saturday October 22nd BSC star party
- October 22nd BSC star party Recap
- Saturday Nov 19th BSC star party
- Saturday BSC star party-CANCELLED
- Saturday Dec 17th BSC star party
- Saturday BSC star party-CANCELLED
- Saturday Jan 21 BSC star party
- Saturday BSC star party-CANCELLED
- CANCELLED - Saturday Feb 18th BSC star party

| Search

Copyright © 2001 - 2017 Orange County Astronomers
Bringing the universe into focus since 1967
About Us | Site Map | Contacts
Calendar | Gallery | General Meetings

amazon Amazon | OCAstroShop OCAstroShop | youtube YouTube | google+ Google+
facebook Facebook | twitter Twitter | instagram Instagram