Image of Bubble Nebula in Cassiopeia taken in Green Valley, Arizona. Exposures were 5 minutes each filter from 12/22/2017 to 12/30/2017. Image comprised of 14 Luminance, 13 Red, 12 Green, 12 Blue and 12 HA. Camera was a QSI683 with 5 position filter wheel. Scope was a 11" Celestron EdgeHD on an AP900 mount guided with a 9X60 guide scope and an STi guide camera.