According to Space.com, the Dynamic Eclipse Broadcast (DEB) Initiative uses a network of volunteer solar observers and identical $1,800 portable telescope setups to capture total solar eclipses and study the sun’s corona. Coordinated by professional astronomers from Southern Illinois University Carbondale and partly funded by NASA and the National Science Foundation, the citizen science project deploys teams along paths of totality to record near-real-time footage for scientific research and public livestreams.
Understanding the DEB Initiative and Portable Solar Equipment
At the center of our solar system sits a burning ball of superheated gas that is 100 times the width of Earth, featuring a thermonuclear core driving radiation and gravity to hold planets in orbit. Despite centuries of scientific study, researchers still seek to understand the sun’s inner workings and its influence on the solar system. To help bridge this gap, the DEB Initiative relies on volunteer observers equipped with standardized gear.
According to Associate Scientist Bob Baer of Southern Illinois University Carbondale, who serves as co-principle investigator of the DEB Initiative, the project developed a portable and relatively inexpensive setup. As Baer explained to Space.com in an interview, the equipment costs about $1,800 total, which factors in the computer, mount, telescope, and camera.
Expanding Citizen Science During the 2024 Great American Eclipse
During the 2024 Great American Eclipse, the DEB deployed over 80 teams with identical telescopes across the path of totality in the contiguous United States. After months of training, these volunteers monitored the climactic phase of totality when the moon obscured the sun’s face to expose the golden corona reaching into the twilight. According to Space.com, the telescope footage was uploaded in near-real time to power public livestreams, earning numerous team members Emmy Awards for their broadcast coverage.
Beyond live coverage, volunteers contributed directly to academic literature. Certain volunteers authored a scientific paper slated for publication in the Astrophysical Journal Letters that analyzed the structure and evolution of the sun’s corona across 49 minutes using data from 11 DEB locations. Outside of eclipses, volunteers use their portable telescopes to track asteroids, solar vibrations, flares, and exoplanet transits. As Baer noted, the true strength of the project lies in the network of scopes rather than a single instrument.
Did you know?
The DEB Initiative’s network approach allows volunteers to track exoplanet transits—detecting periodic dips in starlight as distant worlds pass between Earth and their parent stars—alongside monitoring solar flares and tracking asteroids.
Preparing for the 2026 Total Solar Eclipse in Spain and Greenland
The next major milestone for the initiative arrives on Aug. 12, 2026, when a total solar eclipse cuts a 182-mile-wide (293-kilometer) path across Greenland, Iceland, and Spain. According to Space.com, the DEB will station two teams within the path of totality. One group will set up in the northwestern Spanish city of Leon, while a second team will position itself in the Castilian village of Valoria la Buena, 93 miles (150 kilometers) to the southeast.
Citizen scientist Charles Greenwald leads the Valoria la Buena team. Over the eight months preceding the event, Greenwald traveled multiple times to Guadalajara, Mexico, to prepare his team and test software updates governing how the telescopes capture the sun over the course of the eclipse. Like the 2024 effort, data will upload to a server in real time for public and NASA livestreams, serving as a test run for an even larger event.
Targeting the Longest Totality of the Century in 2027
Organizers are already drafting tentative plans for an ambitious campaign during the total solar eclipse on Aug. 2, 2027, which some have dubbed the eclipse of the century. According to Space.com, this event will feature the longest totality of the 21st century to date, lasting a maximum of 6 minutes and 23 seconds compared to the 2 minutes and 18 seconds of the 2026 eclipse.
Baer hopes to field 27 teams composed of American groups and local observers across the 2027 path of totality, aiming for double redundancy to maintain uninterrupted views if clouds obscure a location or connections fail. The initiative plans to begin recruiting volunteers for the 2027 campaign in the fall.
Pro Tip for Aspiring Citizen Scientists:
If you want to join missions monitoring our parent star, keep an eye on the official DEB Initiative website when recruitment opens in the fall for the 2027 North African eclipse campaign.
Frequently Asked Questions
What is the DEB Initiative?
The Dynamic Eclipse Broadcast Initiative is a citizen science project coordinated by Southern Illinois University Carbondale, with funding from NASA and the National Science Foundation, that deploys volunteer solar observers with portable telescopes to capture total solar eclipses and study the sun’s corona.
How much does a DEB telescope setup cost?
According to Associate Scientist Bob Baer, a complete setup costs about $1,800, which includes the computer, mount, telescope, and camera.
When is the next total solar eclipse the DEB will observe?
The DEB will deploy teams to observe the August 12, 2026, total solar eclipse crossing Greenland, Iceland, and Spain.
What makes the 2027 solar eclipse significant?
The August 2, 2027, eclipse will feature the longest totality of the 21st century to date, lasting a maximum of 6 minutes and 23 seconds across Northern Africa.
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