First rule of eclipse-watching: Safe viewing methods must be followed to protect your eyes. That said, here are some places on Long Island offering special events for youngsters seeking to look up at the 71-percent solar eclipse, taking place after 2 p.m. on Monday, Aug. 21, 2017:

Maritime Explorium: 101 East Broadway, Port Jefferson; 1:30 p.m.-3:30 p.m. Attending families will get a chance to use solar eclipse glasses (while supplies last) to view the event and collect data for crowdsourcing observations by NASA and eclipsemob.org. Price: Free. MORE INFO: 631-331-3277, maritimeexplorium.org.

John Jermain Memorial Library: 201 Main St., Sag Harbor; 1:24 p.m.-4:01 p.m. Attendees will meet in the library garden, with eclipse-themed cookies and viewing glasses provided (while supplies last). Should the weather be an issue, the event will be watched indoors via NASA streaming; no registration necessary. Price: Free. MORE INFO: 631-725-0049, johnjermain.org.

South Fork Natural History Museum and Nature Center: 377 Bridgehampton-Sag Harbor Tpke., Bridgehampton; 1 p.m.-4 p.m. Guests must bring their own solar-viewing glasses; an instructor will be on-hand to provide information. Price: Free; advance registration is required. Non-registered participants are welcome to gather on the field behind the museum with their own solar viewing glasses and a lawn chair for viewing or NASA’S live-streaming coverage shown in the center’s barn. Museum admission will still be in effect: $10, $7.50 ages 3-12, ages two and younger are free. MORE INFO: 631-537-9735, sofo.org.

Custer Institute Observatory: 1115 Main Bayview Rd., Southold; 1 p.m.-4 p.m. Usually closed on Mondays, the Institute will be open for eclipse observation. Price: Donations are suggested and accepted. MORE INFO: 631-765-2626, custerobservatory.org

Parrish Art Museum: 279 Montauk Hwy., Water Mill; 1 p.m.-4 p.m. Participants can assemble on the museum lawn to view the celestial event, with astronomers available for questions and operating a telescope set to allow for safe solar eclipse viewing. Solar-viewing glasses will also shared among attendees, and the museum will feature the live stream from NASA. Guests should bring a lawn chair or blanket for comfort. Price: $12 (members are free); advance reservations are strongly recommended. MORE INFO: parrishart.org; call 631-283-2118 for more details.

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East Meadow Public Library: 1886 Front St., East Meadow; 10 a.m.-5 p.m. Opening with an eclipse class (grades K – 5), there’s also a “Constellations and Stars” class at 11 a.m. (grades pre-K-2) and an eclipse-in-literature seminar at 1 p.m. (teens and adults). Eclipse watching starts at 2 p.m. (due to demand, guests must bring their own solar-viewing glasses); kids can make eclipse-themed crafts from 11 a.m.-5 p.m. Price: Free; classes require prior reservation. MORE INFO: eastmeadow.info; call 516-794-2570 for more details.

Cradle of Aviation: Charles Lindbergh Blvd., Garden City; noon-4 p.m. The museum will host a program of eclipse-related activities in its Hands-on Science Zone, observe the eclipse with solar glasses and meet with educators who can demonstrate safe methods to view the eclipse. Giveaways will be provided, and visitors will have a chance to participate in a time capsule to be opened in 2024, the year the next eclipse will be visible from Long Island. Price: Eclipse activities are free with museum admission ($15, $13 for children ages 2-12). MORE INFO: 516-572-4111, cradleofaviation.org.

Long Island Science Center: 21 N. Country Rd., Rocky Point; noon-4 p.m. The center is offering solar-related activities, live streaming of the eclipse and planetarium presentations held at 1 p.m., 2 p.m. and 3 p.m. Price: $10; ages two and younger are free (as are members) MORE INFO: 631-208-8000, lisciencecenter.org.

Bethpage Public Library: 47 Powell Ave., Bethpage; 2 p.m.-3 p.m. The library will hold this event on its back lawn, and provide solar eclipse viewing glasses to those participants who are planning to stay throughout the entirety of the eclipse (while supplies last, so there’s no guarantee every guest will receive their own pair of glasses; some guests may be asked to share). Dave Paris, a retired Engineer from The American Institute of Aeronautics and Astronautics (AIAA), will appear as a guest speaker and will be available for questions; refreshments, music, and fun activities will be offered to children, and the library will stream NASA’s web video feed of the total solar eclipse inside the building. Price: Free MORE INFO: 516-931-3907, bethpagelibrary.info.

Fire Island National Seashore: Wilderness Visitor Center: South end of the William Floyd Pkwy., Shirley; 1:30 p.m.-3:30 p.m. The National Park Service is leading a discussion and stroll down the beach with a park ranger in order to view the solar eclipse; special viewing sunglasses will be provided and must be worn by all partakers. Participants should bring drinking water, wear sun protection and be ready for walking on sand. Price: Free MORE INFO: 631-281-3010, nps.gov.