Update for 5:45 p.m. ET: NASA has scrubbed the launch of Northrop Grumman's Cygnus NG-13 mission to the International Space Station. A new launch window has not yet been announced.
WALLOPS ISLAND, Va. — Northrop Grumman is counting down to a sunset rocket launch tonight (Feb. 9) and it just might be visible to observers along a wide swath of the U.S. East Coast, weather permitting.
A Northrop Grumman Antares rocket will launch the Cygnus NG-13 cargo ship toward the International Space Station from the Mid-Atlantic Regional Spaceport here at NASA's Wallops Flight Facility at 5:39 p.m. EST (2239 GMT). The mission will lift off just six minutes after sunset, according to TimeandDate.com, and could be a spectacular sight.
"If you're on the East Coast, you also may be able to see the launch," NASA spokesperson Stephanie Schierholz said in a briefing Saturday (Feb. 8). "It has been reported to be seen from Washington, D.C. and other locations on the East Coast."
The Cygnus spacecraft is carrying more than 7,500 lbs. (3,401 kilograms) of supplies, science experiments and other gear for the three-person crew of the International Space Station.
Related: Bacteria, bone & more: Here's the science launching on Cygnus NG-13
According to a NASA visibility map, the launch could be visible across the mid-Atlantic region, with sightings possible as far north as Connecticut; as far east as northeastern West Virginia; and as far south as eastern North Carolina.
Clear skies and an unobscured view in the direction of the launch is vital. Depending on your location, the rocket could look like a fast-moving, red light and may not be visible right at launch time. Sightings at the furthest edges of the visibility range in Connecticut, West Virginia and North Carolina would not begin until 180 seconds after liftoff, according to NASA's map.
If you have cloudy skies or an obstructed view, you can watch the Cygnus launch live here and on Space.com's homepage, courtesy of NASA TV. NASA's webcast will begin at 5 p.m. EST (2200 GMT).
If you are near Virginia's Eastern Shore region, you can watch the Cygnus launch in person from NASA's Wallops Flight Facility Visitor Center. Directions and guidelines for launch viewing are here.The Visitor Center will open at 1:30 p.m. EST (1830 GMT). Wallops will also stream live video and audio on its Ustream channel here beginning at 12:30 p.m. EST (1730 GMT). Local spectators can also catch the launch at Robert Reed Park on Chincoteague Island and on Beach Road between Chincoteague and Assateague Islands, according to NASA's guide.
Wallops officials will post mission updates at the Wallops Mission Status Center here, as well as on Facebook and Twitter.
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Email Tariq Malik at tmalik@space.com or follow him @tariqjmalik. Follow us @Spacedotcom, Facebook and Instagram.
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