Custer Institute and Observatory is Long Island's oldest public observatory - open from 7 pm to midnight on Saturdays! 

Explore the night sky with our volunteers, powerful telescopes, tours, and live events.

Silhouette of a person under a colorful night sky filled with stars and the Milky Way.

Join us every Saturday night for public observing sessions, where you can explore the cosmos through our powerful telescopes.

When the skies are clear, our knowledgeable volunteer staff will guide you on a tour of the stars, planets, and beyond.

Saturday Night Public Observing
Doors open at 7 PM
Observing from dark until midnight (weather permitting)

All observing takes place outdoors—please dress appropriately. Seasonal hours and times of darkness may affect skywatching times.

EVENTS

Outdoor Events: Most events take place on our lawn. We encourage you to bring a blanket or chair to make your experience more comfortable.

Rain Dates: Rain dates (when necessary) will be noted on our website, social media, and/or Eventbrite for your convenience.

Stargazing Night @ Silver Sands

Friday, September 11. 7:30pm-9:30pm

Join us at Silver Sands Motel & Beach Bungalows on Friday, September 11th from 7:30–9:30pm for an evening of late-summer stargazing on the boardwalk at 1400 Silvermere Road in Greenport.

Guided by the team from Custer Observatory, guests will explore stars, planets, and distant galaxies through high-powered telescopes set up along the beach overlooking Pipes Cove. As the evening unfolds, Saturn and its rings will come into view - and if the air is clear and dry, we may even spot its moons Titan, Rhea, and perhaps Dione and Iapetus.

As the skies darken, the telescopes will turn toward the season’s showpieces, including the Ring Nebula and Dumbbell Nebula, the great Hercules Cluster, and the Andromeda and Whirlpool galaxies. The light reaching us from Andromeda began its journey approximately 2.5 million years ago. The blue-and-gold double star Albireo and Epsilon Lyrae, famously known as the “Double Double,” may also come into view.

Complimentary hibiscus iced tea, cosmic brownie bites, and blankets will be available as you take in the sky above.

Admission is $15 for adults and $5 for children, with all proceeds directly supporting Custer Observatory and its mission to bring astronomy to the community.

Turn the experience into a full evening by pairing stargazing with dinner at Eddie’s before the program - the perfect way to spend a night under the stars. Whether you are deeply familiar with the night sky or simply curious, this is an intimate and memorable way to spend a September evening on the North Fork.

Space is limited, so reserve now to secure your spot!

Please note that this is a weather-permitting event. Event changes will be emailed to the address provided at checkout and posted at www.custerobservatory.org and on this Eventbrite page. Please check for weather updates before arriving.


Nancy Atlas (Live!)

Saturday, September 12. 7:30pm

Nancy Atlas makes a rare North Fork appearance at Custer Observatory. This is an opportunity not to be missed!

Nancy Atlas and her band have been dominating the East End Music scene for quite some time. Known for her raw, live performances and stellar songwriting Nancy and her band have opened for almost everyone under the sun. To name a few: Elvis Costello, Lucinda Williams, Toots and the Maytals, Jimmy Buffett, Crosby, Stills and Nash… the list goes on and on.

Sweating alongside Nancy Atlas on any given night is her right-hand men of 28 years, Johnny Blood on Lead Guitar and Brett King on Bass. In the spring of 2023, the incomparable NYC powerhouse Denny McDermott joined in on Drums, Greg McMullen on Pedal Steel, and Killer Joe Delia paired off on keys, organ, and back up vocals. Together they have been reigniting a band that has been throwing down for over a quarter of a century and based on the last year of shows… there is no end in sight any time soon!

Following the concert, Observatory staff will provide guided tours of the night sky (weather permitting) through our many telescopes on site, including the apochromatic Zerochromat telescope in our historic observation dome.

Note: This will be a rain or shine event! A VIP ticket will guarantee you a spot regardless of the weather, and if held outside, you'll have a front row seat to the concert!

$50 VIP Ticket, $35 General Admission, $25 Observatory Members, Children Under 16 FREE. General admission tickets will go on sale the week of the concert and can also be purchased at the door. Advanced registration for VIP attendance is limited so reserve your seats early to secure a spot!

Please bring a blanket or chair to enjoy this outdoor presentation.


International Observe the Moon Night 2026

Saturday, September 19. 6:30pm - Midnight

Join us in this annual celebration of the moon with music, stargazing and guest speaker Randall DiGiuseppe!

In cooperation with NASA, Custer Observatory will be participating in this special International Observe the Moon Night event. This is a worldwide celebration of lunar science and exploration held annually since 2010. One day each year, everyone on Earth is invited to observe and learn about the Moon together, and to celebrate the cultural and personal connections we all have with our nearest celestial neighbor.

International Observe the Moon Night is sponsored by NASA’s Lunar Reconnaissance Orbiter mission and the Solar System Exploration Division at NASA’s Goddard Space Flight Center, and other NASA and astronomical organizations that encourage observation, appreciation, and understanding of our Moon and its connection to planetary science and exploration.

This year's event is an even bigger celebration than in years past with music, stargazing and a special presentation by our own Randall DiGiuseppe!

6:30PM - CONCERT: Songs the Moon Sang to Me

A live performance of the original composition by Long Island composer JD Verbeck, this piece is as much about the Earth and humanity as it is about the Moon. In December of 1968, three men achieved a view of the Earth that had only been dreamed of before: the Earth, floating alone in a black void. This image had the power to transform how we see our position in the universe, how we treat one another, and how we treat our planet. Scored for violin, flute, and French horn, "Songs the Moon Sang to Me" explores these ideas through music, evoking both the surreal and desolate landscape of the lunar environment and the existential reality of our place in the cosmos.

7:45PM - INTRO: Moon Facts by Bill Crispino

8:00PM - TALK: Wonders of the Autumn Night Sky, Part One: Artemis & Andromeda

Fall 2026 is rife with special celestial events, starting with this evening’s International Observe the Moon Night! To celebrate this occasion, Custer’s own Randall DiGiuseppe will be making a special stop along his guided tour of the Autumn night sky to explore our closest celestial neighbor, the Moon. The tour resumes with an in-depth look at the constellations that make up the ancient Greek tale of Perseus, Andromeda and the Sea Monster. Join us for a memorable night of moon craters, star clusters and neighboring galaxies. Oh, and a sea monster!

7:30PM to midnight - STARGAZING - If the weather is clear, observatory staff will be providing guided tours of the Moon and other night sky objects with the many telescopes on site throughout the night, including the apochromatic Zerochromat telescope in our historic observation dome.

$10 Adult, $5 Children Under 16 , Observatory Members FREE. Your donations allow Custer Observatory to continue to offer programs like this and are greatly appreciated. This will be a rain or shine event. Stargazing is weather-permitting.

Please bring a blanket or chair to enjoy the outdoor presentation.


Wonders of the Autumn Night Sky - Saturn + The Zodiac Stars

Saturday, October 3. 8:00pm

As summer winds down and Autumn arrives, a new host of celestial wonders graces the night sky. Staring up at the star-filled sky is awesome and humbling. It can also be overwhelming and disorienting. Throughout history, the night sky has served many functions to humanity- a clock, a calendar, a compass, a map and even a story book. Join stargazing lecturer Randall DiGiuseppe of the Custer Institute & Observatory for an evening of learning the basics of navigating the night sky as well as learning the locations and the folklore behind the most prominent constellations of the Fall.

For the first time ever, Saturn will be in opposition during our annual Fall sky presentation! To celebrate this special event, Custer’s own Randall DiGiuseppe will make a special stop along his guided tour of the Autumn night sky to explore one of our favorite planets, Saturn. Our tour resumes with a deep dive into the zodiac constellations that reign over the Autumn night sky. Join us for a memorable night of viewing globular clusters, galaxies, and giant ice rings as we celebrate Saturn’s closest approach to Earth all year!

This event is being held outdoors and is open to everyone. Just bring an inquisitive mind, a blanket or chair and your imagination.

Randall DiGiuseppe is a professional artist, lecturer, telescope builder and amateur astronomer for over four decades. He is a lifetime member of the Custer Institute and Observatory and recipient of the Astronomical League’s Messier Award. He conducts lectures on the dynamics, history and art of the night sky throughout the country.

Following the presentation, Observatory staff will provide guided tours of the night sky (weather permitting) through the many telescopes on site, including the apochromatic Zerochromat telescope in our historic observation dome.

$5 Adult, $3 Children Under 16, Observatory Members FREE. Due to limited space, registration is strongly encouraged. Please note that this is a weather-permitting event. Event changes will be emailed to the address provided at checkout and posted at www.custerobservatory.org and on this Eventbrite page. Please check for weather updates before arriving.

Please bring a blanket or chair to enjoy the presentation.


The Expressive Violin: Masterpieces of Passion & Virtuosity

Saturday, October 24. 6:00pm

Experience an evening of virtuosic artistry as violinist Kinga Augustyn and pianist Joseph Liccardo present a captivating program exploring the full expressive spectrum of the violin.

PROGRAM

  • Giuseppe Tartini (arr. Fritz Kreisler): Devil’s Trill Sonata — A legendary, fiery masterpiece born from a mythical dream.

  • John Williams: Theme from Schindler’s List — Haunting, deeply moving music of remembrance and quiet intensity.

  • Camille Saint-Saëns: Violin Sonata No. 1 in D Minor — A swept-away journey of soaring lyricism and Romantic passion.

  • Maurice Ravel: Tzigane — A dazzling, showstopping finale inspired by the improvisatory spirit of Romani violin traditions.

From spectral mystery to breathless brilliance, this performance highlights the violin at its most powerful and poetic.

Following the concert, Observatory staff will provide guided tours of the night sky (weather permitting) through our many telescopes on site, including the apochromatic Zerochromat telescope in our historic observation dome.

$25 Adult, $20 Observatory Members, Children Uner 16 FREE. Due to limited space, registration is strongly encouraged.

ABOUT THE ARTISTS

Kinga Augustyn is a New York City–based concert violinist and recording artist praised by The Strad for her “stylish, vibrant” musicianship and by Fanfare Magazine as “one hell of a violinist!” She has appeared as a soloist with orchestras throughout North and South America, Europe, and Asia, including the Roanoke Symphony Orchestra, Queens Symphony Orchestra, Eastern Connecticut Symphony Orchestra, Deutsches Kammerorchester Berlin, Magdeburg Philharmonic Orchestra, Wrocław Philharmonic Orchestra, MAV Symphony Orchestra of Budapest, and the Orquesta Sinfónica in Santiago, Chile.

As a recitalist and chamber musician, Augustyn has performed at Carnegie Hall’s Stern Auditorium and Weill Recital Hall, Alice Tully Hall, The Metropolitan Museum of Art, the Aspen Music Festival, the Chicago Cultural Center, Teatro Ristori in Verona, Teatro La Fenice in Venice, and Teatro dal Verme in Milan. She has also toured China extensively, appearing in major venues including Beijing’s Poly Theater and the Shanghai Oriental Art Center.

Her wide-ranging discography reflects an artistic repertoire extending from Baroque music to contemporary works. Her most recent release, Balm for the Soul: Romantic Violin Recital, Vol. 2 (Centaur Records, 2026), explores the lyrical and expressive heart of the violin repertoire. A dedicated champion of Polish music, Augustyn has recorded three albums devoted to Polish repertoire, including Grażyna Bacewicz: A Portrait and two Naxos releases featuring world-premiere recordings. She has also premiered and recorded numerous contemporary works, including compositions written especially for her.

Augustyn has received numerous international honors, including First Prizes at the Alexander & Buono International String Competition, Artist International Presentations, and the J.S. Bach Competition in Poland. She was also recognized as “The Outstanding Pole in the USA.”

She earned her Bachelor and Master of Music degrees from The Juilliard School as a full-scholarship recipient and her Doctor of Musical Arts degree from Stony Brook University, where she studied on full scholarship and assistantship.

Joseph Liccardo maintains an active career as a chamber musician, music educator, and arts administrator. He has performed at venues including Carnegie Hall, Merkin Hall, Bargemusic, the Chicago Cultural Center, Rockefeller University, Union College, Jordan Hall, and has toured extensively in China. He is an alumnus of the Yellow Barn Chamber Music Festival (2013-2016), and has worked as a collaborative pianist at the Ravinia Festival’s Steans Institute since 2017.

Joseph is on faculty at the Aaron Copland School of Music at Queens College, as well as the Eisman Center for Preparatory Studies in Music, the school's precollege program. He is the co-founder of Presto Arts, a China-based organization that promotes cross-cultural musical exchange between China and the West. From 2023-2025, Presto Arts organized The Art of Voice, a series of summer and winter vocal masterclasses in Salzburg, Austria, in collaboration with renowned sopranos Barbara Bonney, Lisette Oropesa, and other international artists. In August 2026, in collaboration with Operastudio Molise, Presto Arts launched its first fully international program, the Molise Vocal Academy, in Campobasso, Italy.

Joseph holds a Bachelor of Music degree from the Eastman School of Music and a Master of Music degree from The Juilliard School. His principal teachers include Donald Pirone, Douglas Humpherys, and Robert McDonald.

PROGRAMS + RESOURCES

  • Astronaut on the moon holding a yellow umbrella with Earth in the background.

    WEATHER

    Clear Skies Ahead!

    Find the latest weather forecasts tailored for astronomers, including cloud cover, precipitation, dewpoint, wind conditions, and Moon phases. Our easy-to-read key helps you decide if it’s a perfect night to bring out your telescope!

  • Silhouettes of musicians and text "Music Under the Stars The Music Project at Custer Institute & Observatory."

    THE MUSIC PROJECT

    Bringing music and stargazing together at Long Island’s oldest public observatory, tMP blends the performing arts with science and discovery. A unique stargazing experience follows each performance where audiences are invited to explore the night sky with guidance from our expert volunteer staff, using our historic observation dome and an array of on-site telescopes.

  • WHAT'S UP?

    Skywatching highlights each month, provided by NASA.

  • Telescope on tripod with accessories in a grassy field with trees in the background.

    RESOURCES

    Whether you're a seasoned astronomer or just starting your journey into the cosmos, our collection of resources will help guide you.

  • Blue background with white and gold text reading "Custer Institute & Observatory Scholarship Program" and a stylized star and comet graphic in the top left corner.

    SCHOLARSHIP

    Supporting the Next Generation of Scientists & Innovators. Available to High School Seniors throughout the North Fork.

  • Illustration of Custer Institute Observatory with text "Honey of the Stars, 100% Pure Local Honey, Custer Institute Observatory, Southold, New York" and "Custer HoneyBee Club" on a building, under a starry sky.

    HONEY BEE CLUB

    Custer's Honey Bee Club is an educational program focused on environmental sustainability and honeybee stewardship.

    Send an email to learn more.

Support the North Fork Dark Sky Coalition

Take action to protect our night skies:

  • Pledge to turn off unnecessary lights and spread awareness,

  • Update Your Lighting by using dark sky-friendly fixtures and warm-toned bulbs, and

  • Become a Partner to advocate, educate, and support local Dark Sky initiatives.

Take the pledge and join the North Fork Dark Sky Coalition

Night sky with Milky Way over waterfront building and boats at a dock.

AFFILIATIONS + SUPPORTERS + PARTNERS

Stay in our universe.

Sign up for exclusive updates and news on events, programs, lectures, and live music

—no black holes of spam, just stellar content
delivered to your inbox. Subscribe.