Super blue blood moon eclipse live stream: Watch NASA video

But what is it?

Early Wednesday, the full moon will pass through the Earth's shadow to give us a total lunar eclipse. The moon will appear reddish, hence the name "blood moon." Totality, when the moon will be entirely inside the Earth's dark umbral shadow, will last a bit more than 1 1/4 hours.

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Wednesday's full moon is also the third in a series of three straight full moon supermoons – that is, super-close full moons. It's the first of two blue moons in 2018.

This marks the first blue moon total eclipse in America since March 31, 1866.

Here's when you'll want to look skyward or tune in:

Eastern Standard Time

• Partial umbral eclipse begins at 6:48 a.m. EST
• Total eclipse not visible; moon sets beforehand

Central Standard Time

• Partial umbral eclipse begins at 5:48 a.m. EST
• Total eclipse begins at 6:51 a.m. CDT
• Moon sets before totality ends

Mountain Standard Time

• Partial umbral eclipse begins at 4:48 a.m. MST
• Total eclipse begins at 5:51 a.m. MST
• Greatest eclipse at 6:29 a.m. MST
• Total eclipse ends at 7:07 a.m. MST

Pacific Standard Time

• Partial umbral eclipse begins at 3:48 a.m. PST
• Total eclipse begins at 4:51 a.m. PST
• Greatest eclipse at 5:29 a.m. PST
• Total eclipse ends at 6:07 a.m. PST

Alaskan Standard Time

• Partial umbral eclipse begins at 2:48 a.m. AKST
• Total eclipse begins at 3:51 a.m. AKST
• Greatest eclipse at 4:29 a.m. AKST
• Total eclipse ends at 5:07 a.m. AKST

Hawaii-Aleutian Standard Time

• Partial umbral eclipse begins at 1:48 a.m. HAST
• Total eclipse begins at 2:51 a.m. HAST
• Greatest eclipse at 3:29 a.m. HAST
• Total eclipse ends at 4:07 a.m. HAST

– WHIO.com and AJC.com contributed to this report.