Back NGC7635Bubble Nebula Click to display the full resolution Object InfoTypePlanetary NebulaConstellationCassiopeiaDistance11,000 ly Capture DetailsDateSeptember 30, 2009LocationCarlsbad, CAExposureHa 7x15 (bin 1x1) EquipmentOpticsTakahashi MT200 NewtonianFocal Length960mm @f/4.8MountAstro-Physics 900GTOCameraSBIG ST-10XMEFocuserTAK MEF-1FiltersCFW10A, Astrodon 6nm HaSoftwareMaxIm DL, CCDStack, Photoshop