Healing ensues from the willingness to accept the power of mind, and the willingness to never allow the mind to say something negative without challenging it and replacing it with a positive thought. Hawkins (Image: GÜNEŞE YOLCULUK - By Ayşe Tem
a blood moon is popularly used to describe a total lunar eclipse, when earth casts its shadow on a full moon & eclipses it, the moon can get a red glow + a total lunar eclipse is when earth eclipses a full moon
The red sunlight symbolizes the mass amounts of blood spilled during the war. It is not clear what war Poe is referring too, however at the time of the writing of this poem both the war of 1812 and the wars of Spanish American independence were under way.