I shot the Jellyfish in January, 2011, capturing just two 40-minute images each of SII, Ha and OIII @ 1X1. I recently together the data and created a mosaic showing a cool “chimney” projecting out of the top. The Canada-France-Hawaii Telescope (CFHT) has the same thing in their APOD (link below).
http://apod.nasa.gov/apod/ap030903.html – CFHT Deep Jelly with Chimneys
http://www.cfht.hawaii.edu/hawaiianstarlight/AIOM/English/CFHT-Coelum-AIOM-Feb2007.html – CFHT Image of the Month – Jelly