APOD from 2008-10-24
Amazing #Comet Holmes
Comet 17P/Holmes' sudden brightening a year ago made it visible to the naked eye, rivaling stars in Perseus. This image from Nov 11, 2007, shows its tail-less appearance and faint ion tail, resembling a reflection nebula against the Alpha Persei Moving Cluster.
HD image at https://apod.nasa.gov/apod/ap081024.html