Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) Partial Lunar Eclipse (Photos courtesy of Brett Tennyson) The partial lunar eclipse (99.1%) is the longest lunar eclipse in 665 years.