More on EPOXI flyby

By The Bad Astronomer

The team compensated by using a technique called deconvolution, which sharpens up an image but can introduce artifacts (like overly bright or overly sharp features; I used this technique ad nauseum on my early Hubble images). …


Bad Astronomy Blog - http://www.badastronomy.com/bablog

Sun 31-12-07

By ShevillWMathers

My last solar image for 2007, taken with my Baader Planetarium Mark IV Ha Coronograph with the narrow 1.5A Ha filter. Attached to a 4" f/10 Sky Watcher refractor. There is no filter over the objective. Camera used is the new Nikon D300 …


- http://www.bautforum.com