Chester County Astronomical Society

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Astronomy Events


March 10, 2025 - December 31, 2026
Date/Time
Event
Location
Tue 3/11/2025
09:00 PM - 10:05 PM
NSN Webinar Series: Spritacular: Electrical Discharges Above Thunderstorms with Dr. Burcu Kosar
Regional/National Event
Tue 3/11/2025
07:00 PM - 10:00 PM Eastern
March meeting of the Chester County Astronomical Society
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 07:07 PM
Tue 3/11/2025
01:30 PM - 03:30 PM Eastern
Middletown Free Library Solar Tuesday: Solar Observing
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:07 PM
Sat 3/15/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturdays
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 07:11 PM
Mon 3/17/2025
12:30 PM - 03:30 PM Eastern
WestChester University Solar Observing
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 07:13 PM
Tue 3/18/2025
01:30 PM - 03:30 PM Eastern
Middletown Free Library: Solar Tuesday Observing
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:13 PM
Fri 3/28/2025
07:30 PM - 10:00 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing (CANCELLED)
Community Event
1760 Wawaset Road
West Chester, PA 19382
get directions
Sunset: 07:25 PM
Sat 3/29/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturdays (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 07:26 PM
Tue 4/1/2025 - Wed 4/2/2025
06:30 PM - 07:30 PM
The Warped Side of Our Universe: Space Science Week 2025 Keynote Public Lecture
Regional/National Event
Fri 4/4/2025
08:30 PM - 10:30 PM Eastern
Sacred Hearth Academy Night Sky Observing (CANCELLED)
Community Event
480 South Bryn Mawr Ave
Bryn Mawr, PA 19010
get directions
Sunset: 07:32 PM
Sat 4/5/2025
07:30 PM - 10:00 PM Eastern
Atglen Library Night Sky Observing (CANCELLED)
Community Event
Tue 4/8/2025
07:00 PM - 10:00 PM Eastern
April meeting of the Chester County Astronomical Society
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 07:36 PM
Sat 4/12/2025
10:30 AM - 01:30 PM Eastern
Chester County Library (Exton Branch) Solar Observing (CANCELLED)
Community Event
Exton Square Pkwy
Exton, PA 19341
get directions
Sunset: 07:40 PM
Mon 4/14/2025
11:30 AM - 01:30 PM Eastern
Middletown Free Library Spring Break Solar Education
Community Event
Tue 4/15/2025
11:30 AM - 01:30 PM Eastern
Rachel Kohl Community Library Spring Break Solar Observing (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills
Glen Mills, PA 19342
get directions
Sunset: 07:43 PM
Tue 4/15/2025
07:00 PM - 08:30 PM
Messier Marathon with Dean Regas
Regional/National Event
Wed 4/16/2025
09:00 PM
NSN Webinar Series: Psyche: Exploration of a Metal World with Dr. David Williams
Regional/National Event
Wed 4/16/2025
11:30 AM - 01:30 PM Eastern
Middletown Free Library Spring Break Solar Observing (CANCELLED)
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:44 PM
Fri 4/18/2025
11:30 AM - 01:30 PM Eastern
Middletown Free Library Spring Break Solar Observing
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:45 PM
Sat 4/19/2025
01:00 PM - 05:00 PM Pacific
KIPAC and Friends Community Day
Regional/National Event
475 Via Ortega
Stanford, CA 94305
get directions
Sunset: 07:50 PM
Sat 4/19/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Spring Break Solar Observing (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 07:46 PM
Tue 4/22/2025
01:30 PM - 03:30 PM Eastern
Middletown Free Library Solar Tuesday
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:49 PM
Thu 4/24/2025
10:30 AM - 01:00 PM Eastern
Maris Grove Earth Month Solar Observing and Education
Community Event
100 Evergreen Dr
Glen Mills, PA 19342
get directions
Sunset: 07:52 PM
Fri 4/25/2025
07:30 PM - 10:00 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing (CANCELLED)
Community Event
1760 Wawaset Road
West Chester, PA 19382
get directions
Sunset: 07:54 PM
Sun 4/27/2025
10:30 AM - 01:00 PM Eastern
Chester County Parks & Rec. SRT Solar Observing (CANCELLED)
Community Event
500 Frick's Lock Rd
Pottstown, PA
get directions
Sunset: 07:55 PM
Tue 4/29/2025
01:30 PM - 03:30 PM Eastern
Middletown Free Library Solar Tuesday
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:57 PM
Tue 4/29/2025
01:30 PM - 03:30 PM Eastern
Middletown Free Library Solar Tuesdays
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 07:57 PM
Sat 5/3/2025
08:00 PM - 10:00 PM Eastern
West Goshen Park Star Party (CANCELLED)
Community Event
1023 Fern Hill Road
West Chester, PA 19380
get directions
Sunset: 08:01 PM
Mon 5/5/2025
12:00 PM - 01:00 PM Eastern
Middletown Free Library Solar Observing: Solar System Lesson (CANCELLED)
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:03 PM
Sat 5/10/2025
10:30 AM - 02:00 PM Eastern
International Day of Light
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 08:08 PM
Tue 5/13/2025
07:00 PM - 10:00 PM Eastern
May meeting of the Chester County Astronomical Society
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 08:10 PM
Wed 5/14/2025
10:30 AM - 01:30 PM Eastern
Chester County Parks &Rec. SRT Solar Observing (CANCELLED)
Community Event
500 Frick's Lock Rd
Pottstown, PA
get directions
Sunset: 08:11 PM
Thu 5/15/2025
09:00 PM
NSN Webinar Series: Placing Worlds and Suns in Context with Dr. Eric Mamajek
Regional/National Event
Sat 5/17/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Observing (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 08:15 PM
Tue 5/27/2025
01:30 PM - 03:30 PM Eastern
Middletown Free Library Solar Tuesday (CANCELLED)
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:23 PM
Fri 5/30/2025
07:30 PM - 10:30 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing (CANCELLED)
Community Event
1760 Wawaset Road
West Chester, PA 19382
get directions
Sunset: 08:25 PM
Wed 6/11/2025
11:00 AM - 01:30 PM Eastern
Middletown Free Library Summer Solar Wednesdays
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:33 PM
Sat 6/14/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Flag Day Solar (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 08:34 PM
Sun 6/15/2025
10:30 AM - 01:30 PM Eastern
Sierra Club Philadelphia Chapter Solar Observing: John Heinz NWR (CANCELLED)
Community Event
8601 Lindbergh BLVD
Philadelphia, PA 19153
get directions
Sunset: 08:35 PM
Tue 6/17/2025
07:30 PM
Exploring Europa With Europa Clipper - Lunar and Planetary Institute
Regional/National Event
Fri 6/20/2025
08:30 PM - 11:30 PM Eastern
Chester County Parks & Rec. Coatesville Star Party
Community Event
1 Park Rd
Coatesville, PA 19320
get directions
Sunset: 08:36 PM
Fri 6/20/2025
07:00 PM - 10:00 PM Eastern
Friday Night Lights
Community Event
1199 Cannery Rd
Coatesville, PA 19320
get directions
Sunset: 08:36 PM
Sat 6/21/2025
10:00 AM - 03:00 PM Eastern
American Helicopter Family STEM Day
Community Event
1220 American Blvd.
West Chester, PA 19380
get directions
Sunset: 08:36 PM
Mon 6/23/2025
First Look at The Cosmos With NSF–DOE Vera C. Rubin Observatory
Regional/National Event
Wed 6/25/2025 - Sun 6/29/2025
Rocky Mountain Star Stare (RMSS)
Regional/National Event
Gardner, CO
get directions
Sunset: 08:28 PM
Fri 6/27/2025
08:00 PM - 10:30 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing (CANCELLED)
Community Event
1760 Wawaset Road
West Chester, PA 19382
get directions
Sunset: 08:37 PM
Sat 6/28/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturday (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 08:36 PM
Wed 7/2/2025
11:00 AM - 01:30 PM Eastern
Middletown Free Library Summer Solar Wednesday (CANCELLED)
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:36 PM
Wed 7/9/2025
11:00 AM - 01:30 PM Eastern
Middletown Township Parks & Recreation Summer Camp Solar Day
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:34 PM
Sat 7/12/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturday (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 08:32 PM
Tue 7/22/2025
09:00 PM
NSN Webinar Series: Lucy Mission: An Asteroid Investigation with Alena Gavrilenko
Regional/National Event
Wed 7/23/2025
11:00 AM - 01:00 PM Eastern
Middletown Free Library Solar Wednesday
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:25 PM
Fri 7/25/2025
07:30 PM - 11:00 PM Eastern
Brandywine RedClay Alliance (CANCELLED)
Community Event
1760 Wawaset Road
West Chester, PA 19382
get directions
Sunset: 08:24 PM
Sat 7/26/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturdays (CANCELLED)
Community Event
687 Smithbridge Rd
Glen Mills
Glen Mills, PA 19342
get directions
Sunset: 08:23 PM
Wed 7/30/2025
11:00 AM - 01:00 PM Eastern
Middletown Free Library Solar Wednesdays
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:19 PM
Thu 7/31/2025
09:00 AM - 12:40 PM Eastern
Grace Church of Wallingford Summer STEAM Camp
Community Event
723 South Providence Rd
Wallingford, PA 19086
get directions
Sunset: 08:18 PM
Sat 8/2/2025
10:00 AM - 01:00 PM Eastern
Downingtown Public Library Solar Observing and Education
Community Event
122 Wallace Ave, Downingtown, PA 19335
Downingtown, PA 19335
get directions
Sunset: 08:17 PM
Wed 8/6/2025
09:00 PM
NSN Webinar Series: 2025 International Observe the Moon Night
Regional/National Event
Wed 8/6/2025
11:00 AM - 01:30 PM Eastern
Middletown Free Library Solar Wednesdays
Community Event
464 South Old Middletown Rd
Media, PA 19063
get directions
Sunset: 08:12 PM
Sat 8/9/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturday
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 08:07 PM
Thu 8/14/2025
10:30 AM - 01:30 PM Eastern
CCP&R Exton Park CVT Solar Observing
Community Event
132 Church Farm Ln
Exton, PA 19341
get directions
Sunset: 08:00 PM
Fri 8/22/2025
08:30 PM - 10:30 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing
Community Event
Sat 8/23/2025
11:00 AM - 01:00 PM Eastern
Rachel Kohl Community Library Solar Saturdays
Community Event
687 Smithbridge Rd
Glen Mills, PA 19342
get directions
Sunset: 07:48 PM
Fri 8/29/2025
08:00 PM - 10:00 PM Eastern
Starr Farm Park Night Sky Observing
Community Event
1079 Skelp Level Road
Downingtown, PA 19335
get directions
Sunset: 07:38 PM
Sat 9/6/2025
10:30 AM - 01:30 PM Eastern
Chester County Parks and Recreation Exton Park CVT Solar Observing
Community Event
132 Church Farm Ln
Exton, PA 19341
get directions
Sunset: 07:26 PM
Tue 9/9/2025
07:00 PM - 10:00 PM Eastern
September meeting of the Chester County Astronomical Society
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 07:21 PM
Tue 9/16/2025
09:00 PM
NSN Webinar Series: Secrets of the Sun with Becca Robinson
Regional/National Event
Fri 9/19/2025 - Sat 9/27/2025
Okie-Tex Star Party
Regional/National Event
Kenton, OK 73946
get directions
Sunset: 07:54 PM
Sat 9/20/2025
07:00 PM - 10:00 PM Eastern
Atglen Library Night Sky Observing
Community Event
1399 Schoff Rd
Atglen, PA 19310
get directions
Sunset: 07:04 PM
Sat 10/4/2025
10:30 AM - 01:00 PM Eastern
Chester County Parks & Recreation SRT Solar Observing
Community Event
500 Frick's Lock Rd
Pottstown, PA
get directions
Sunset: 06:40 PM
Sat 10/4/2025
07:30 PM - 09:30 PM Eastern
International Observe the Moon Night
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 06:40 PM
Fri 10/10/2025
06:30 PM - 09:30 PM Eastern
Hibernia Park Coatesville Star Party
Community Event
1 Park Rd
Coatesville, PA 19320
get directions
Sunset: 06:31 PM
Tue 10/14/2025
07:00 PM - 10:00 PM Eastern
October meeting of the Chester County Astronomical Society
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 06:25 PM
Thu 10/16/2025
10:00 AM - 01:00 PM Eastern
Courthouse Solar Observing
Community Event
Fri 10/24/2025
07:00 PM - 10:00 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing
Community Event
Sat 11/8/2025
01:30 PM - 09:00 PM Eastern
American Helicopter Museum Solar and Night Observing
Community Event
1220 American Blvd.
West Chester, PA 19380
get directions
Sunset: 04:52 PM
Tue 11/11/2025
07:00 PM - 10:00 PM Eastern
November meeting of the Chester County Astronomical Society
Community Event
700 South High Street
West Chester, PA 19383
get directions
Sunset: 04:50 PM
Fri 11/21/2025
07:00 PM - 09:30 PM Eastern
Brandywine Red Clay Alliance Night Sky Observing
Community Event
Wed 12/10/2025
01:30 PM - 03:30 PM
The Cosmos and Quest to Discover Extraterrestrial Life
Regional/National Event
Sat 3/21/2026
06:45 PM Central
Messier Marathon 2026 at Ft. McKavett State Historical Site, Texas
Regional/National Event
7066 Farm to Market Rd 864
Ft. McKavett, TX 76841
get directions
Sunset: 07:48 PM
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