Tomorrow night, if weather conditions permit, you will be able to see several neat phenomena - provided that you step outside. The first event is the "Harvest Moon", which will rise above your eastern horizon just about the time of local sunset. The full moon nearest the autumnal equinox (this year the equinox was last Sunday) is called the Harvest Moon because the moon rises soon after sunset for several nights and provides farmers with extra natural light in mid latitudes for harvesting their crops before the first frost that ends the growing season. Several astronomical factors involving the earth-moon-sun viewing geometry contribute to making this spectacular early fall event special - a large lunar disk that appears as a pumpkin hanging above the eastern horizon just after sunset for several consecutive evenings.
The other event of note is that a total lunar eclipse will occur, since the full moon will pass through the earth's shadow. This eclipse on 26/27 September will be the last total lunar eclipse visible from most of North America until the year 2000! Residents first in the eastern and then the central regions of the U.S. and Canada will see the moon entering the light portion of the shadow called the penumbra at 0012Z on 27 Sept. (or 8:12 PM EDT on 26 Sept.). An hour later, the moon enters the darker portion of the shadow (the umbra). Totality starts at 0219Z, the mid point is about 0254Z and totality ends at 0329Z. The moon leaves the umbra at 0436 Z and by then, would be potentially visible in most of North America and Hawaii; the exception would be western Alaska.
Lunar eclipses appear orange and red- the exact coloration depends upon the amount of dust in our earth's atmosphere. In a full lunar eclipse the sun, earth and moon become aligned, with the earth casting its shadow upon the moon. The moon does not completely disappear from view of earthbound residents during the umbral portion, because even at the midpoint of totality, some light from the sun is bent (refracted) as it passes around the earth by the earth's atmosphere - in a way similar to a lens - causing the lunar surface to have a dim, colored glow. As light passes through the earth's atmosphere, the blue colors are scattered out of the path by air molecules and suspended dust particles (called "aerosols") from volcanic eruptions, wildfires and other processes. Red and orange light pass through the atmosphere and are bent into the shadow zone, giving a copper hue to the moon. The exact color depends upon the dust loading in our atmosphere. Unlike a solar eclipse, you do not need any protection for viewing. If you have a chance and the weather cooperates, go to a place without too many lights and observe two spectacular lunar events, since the next time that you will have an opportunity to see an eclipse of the Harvest Moon will be in 2015. As an added treat, the planet Saturn should also be visible as the bright object about 2 degrees below the eclipsed full moon.