The circular outline of Earth's shadow in space, the umbra, can be clearly seen in this sequence of 3 images from the total lunar eclipse of 2014-10-08. The moon at maximum totality glows a coppery orange from sunlight refracted through Earth's atmosphere. Celestron Super C8 Plus with Byers Drive, f/6.3 focal reducer/corrector
Camera:Canon 20D. Exposures: Partial phases:1/320 second at ISO 800; Totality 3 seconds at ISO 800.
This image was published in the April, 2015 issue of Astronomy Magazine.