Click image to return Bubble Nebula ngc7635 and M52 Cluster in Cassiopeia 18 x 10 min subs taken with modded Canon 450d on Skywatcher M-N 190 F5.3/EQ6, with Astronomic UHC Filter guided by PHD using IKI 80mm F7 Achromatic Guidescope and QHY5 camera, stacked in DSS / processed in Photoshop CS. [Ian Smith}