The "Super Blue Blood Moon" happens very early tomorrow morning, and if the skies where you live are clear enough, it's probably worth dragging yourself out of bed a bit earlier than usual so you can see it. As you probably know, the term "blue moon" merely means the second of two full moons in a single month--tomorrow morning's moon won't look blue at all. But it will look blood-red, thanks to the rare combination of a lunar eclipse and a "supermoon"--a full moon that's closer than usual to the Earth and thus appears large (although in this case it won't look that much larger than normal).
The entire eclipse event takes several hours, as the moon passes first through the outer part of the Earth's shadow, and then the penumbra, or darker part of the shadow, which is what turns it red. It will be visible (weather permitting) in the entire United States, and parts of Australia as well. If you live in the United States, here are the best times to watch, according to a handy timetable published by The New York Times. (You can also find very detailed information about the lunar eclipse in your specific location here.)
1. East Coast
The eclipse begins at 5:51 am and the moon enters the penumbra at 6:48 am. Unfortunately, sunrise in the Northeast is at 7:07 am and daylight will make the moon much harder to see, so your window for viewing the moon is limited.
If you're on Central Time, the eclipse begins at 4:51 am, and the moon enters the penumbra at 6:15 am. Sunrise is at 7:04, so your best eclipse-viewing time will be from 6:15 to about 6:30.
3. Mountain Time
If you live in the Mountain States, or the Southwest, the eclipse begins at 4:48 am and the moon becomes red at around 6:30 am. You should be able to get a nice long look at the event since the sun doesn't rise until 7:09 am.
4. West Coast
Those of us on the West Coast get to see the whole eclipse come and go before the sun comes up and spoils everything. On the other hand, we have to get up earlier to do it. The eclipse begins at 2:51 am and starts getting red at 3:48 am. If you're not in love with the idea of getting up at that hour, it might help to know that totality doesn't begin until 4:51 am, and the eclipse reaches it peak (when the moon is most completely shadowed) at 5:29 am.
To see the eclipse, look North and mostly West, and try to get as unobstructed a view of the horizon as you can. The eclipse will be low in the sky and get lower as the event goes on and the Earth's rotation brings us closer to moonset and sunrise.
A couple of other pro tips: As always, the eclipse will be most spectacular if you can view it from a place with relatively little light pollution. But since the moon is by far the brightest object in our night sky, it should be visible anywhere. On the other hand, the light from a full moon drowns out the stars. Part of the fun of a lunar eclipse is watching the stars appear as the moon goes dark, and then disappear as it grows light again.
If you want to take pictures of the eclipse, you will probably need an actual camera, ideally with a tripod. Most smartphone cameras can't operate well in nighttime darkness, and needless to say, your flash will be of no use at all when shooting an object more than 200,000 miles away. Here's what happened when some smartphone photographers tried capturing the last super blood moon eclipse (it's not pretty).
But if you don't have a camera or if the clouds where you are block the sky at the crucial moment, don't fret. NASA will livestream the Super Blue Blood Moon here.