Because of Kodachrome's fairly low ASA number, it wasn't the first choice of most astro-photographers back in the heydey of emulsion-based imaging. However, I remember when it was the preferred transparency film by most photographers, across the board. Even some deep-sky and comet photographers used it. Sad to see it go. http://news.yahoo.com/s/ap/20090622/ap_on_re_us/us_kodachrome_s_demise