This page was generated for our guests on 2009-JUL-4, 14:47:32 UTC .

USNO Current Moon Phase 2009-JUL-4 14:47:32 UTC Current Time Goes West IR Loop Goes West Visible Loop

TAC Astronomy Photo of the Day M31, Los Altos July 2008, Orion 80mm f/7.5, Canon 30D, by Greg Heikkinen and Jay Critchfield.     Above photographs or CCDs are copyrighted. Astronomy Photos: What to submit and how.

Observing Conditions from Lake San Antonio: Moonrise/Moonset (PST) 1743 0222 Today 1833 0311 Tomorrow Astronomical Twilight (PST) 0303 2114 Today 0304 2114 Tomorrow Sunrise/Sunset (PST) 0452 1925 Today 0453 1925 Tomorrow Clear Sky Clock NOAA Weather

Star Parties & Events Join TAC Mailing List: Current Mailing List: Archives & Subscribing Contact a Member Member Introductions & Photos Web-Pages of TACies TAC Group Photo Account TACo Businesses & Services Star Party Etiquette Observing: what to view

Weather Moon Times for 2009 Local Astro Resources Astronomy Questions Equipment Primer Astro Software & Settings TAC FAQ (frequently posted topics) TAC Tracking Stats Magazine & Media Current Members: Log In New Members: Register

TAC is an observing group... come join us. Here is where we'll be.
First, please read about star party etiquette.

If you are interested in astronomical Webcam, DSLR, or CCD imaging, the Norcal Astro-Imaging is for you!
 

TAC ANNOUNCEMENTS

Submit brief astro-related announcements here (Links to other web-pages are preferred).

TAC web-page updates the last 30 days: 06/08/09: Image of the day added by Keith Myers 06/01/09: Image of the day added by Jeff Weiss 05/30/09: Image of the day added by Jeff Weiss 05/30/09: Image of the day added by Jeff Weiss

ELP YOUR HOBBY! International Dark Sky Association Inexpensive to join, costly not to! GREAT OBSERVING PROGRAMS! Join the Astronomical League with TAC - AL.

 

 

 

 

CALENDAR

Post to the calendar using the Event Submission Form. Submitted events must be reviewed and approved by our events editor before they appear here.

OBSERVING INTENTS
click for more detailed view:

TAC STAR ANNUAL PARTIES:

Golden State Star Party: June 20 - 24, 2009
CalStar: September 17 - 20, 2009

OTHER TAC EVENTS:

OTHER STAR PARTIES AND EVENTS:

TAC MAILING LIST

• More GSSP images Peter Santangeli (Fri Jul 03 2009 - 23:05:16 PDT)
• Free Wide Angle Camera - 4x5 at prime focus Robert Shelton (Fri Jul 03 2009 - 20:19:47 PDT)
• Astronomy Items For Sale! Dave Goggin (Fri Jul 03 2009 - 14:29:03 PDT)
• Re: They saw it coming from a parsec away Greg LaFlamme (Thu Jul 02 2009 - 22:31:38 PDT)
• Re: They saw it coming from a parsec away Randy Muller (Thu Jul 02 2009 - 21:58:21 PDT)
• They saw it coming from a parsec away Richard Ozer (Thu Jul 02 2009 - 21:30:09 PDT)
• Re: OI: Heading to a Dark Site for 4th of July rba_at_No-Spam (Thu Jul 02 2009 - 20:28:33 PDT)
• OI: Heading to a Dark Site for 4th of July Jim Varley (Thu Jul 02 2009 - 20:18:28 PDT)

All Current Month's Postings | Mailing List Archives

TAC LINK LIBRARY

IMPORTANT INFORMATION

Star Party Etiquette
Controlling light pollution

WEATHER

National Oceanic & Atmospheric Administration (NOAA)
Navy satellite images
The Old Farmer's Almanac
Clear-Sky Clocks by Attilla Danko
Mark Taylor's weather links
US Viewing Conditions Map (Intellicast)
US Jet Stream Map (Intellicast)
SJAA Weather Page

YOUR ASTRONOMY QUESTIONS ANSWERED HERE!

Ask the Astronomer
Beginner's section... sage advice
Our solar system
Deep Space Primer

EQUIPMENT

About cleaning optics
About telescopes
Astronomy-Mall (new products)
Cloudy Nights Telescope Reviews by T. Gross, J. Freeman, D. Knisely & others.
Free Plans - 4 Inch Dob - Complete Manual for Download
Rob Hawley's Mirror Cleaning page.

DYNAMIC MEDIA

Shallow-Sky mailing list.
Videoastro mailing list.
Newsgroups and other mailing lists
Magazine subscriptions
Star Hustler scripts

BAY AREA RESOURCES

Features of local clubs
Adventures in Deep Space Challenging Observing Projects for Amateur Astronomers, by Jim Shields & Steve Gottlieb.
Music of the Spheres

WORLDWIDE RESOURCES

Geographic locator
USNO Sun or Moon Rise/Set Tables

NASA RESOURCES

Astronomy Picture of the Day (APOD from Goddard)
Live from Mars
On-Line from Jupiter
Role models for girls

Our thanks to: for providing free web-hosting to TAC.	TAC services are maintained by:
	Mailing Listmasters:	Michelle Stone Greg LaFlamme Mark Johnston
	Web Site:	Jeff Crilly Mark Wagner
	Calendar:	Stacy Jo McDermott
	Member Photos and Bios:	Sarah E. Jones
	Observing reports archives:	Julien Lecomte
	Observers.org Hostmaster:	John R Pierce
	Magazine subscriptions:	Bob Jardine

 
Currently serving 1252  Observers
 

 

TAC was founded by Mark Wagner, Dean Linebarger, Richard Navarrete, Rich Neuschaefer and Alan Nelms.
 
Special thanks to Steve Sergeant and John Pierce for outstanding techincal contributions to TAC.