Back NGC891NGC891 Edge-On Galaxy Click to display the full resolution Object InfoTypeSpiral GalaxyConstellationAndromedaDistance27,400,000 ly Capture DetailsDateSeptember 10, 2010LocationPalomar Mountain, CAExposureLum 9x10 (bin 1x1), R 6x5, G 6x5, B 6x5 (bin 2x2) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1735mm @f/6.2MountAstro-Physics 900GTOCameraSBIG ST-10XMEFocuserRobo-FocusFiltersCFW10A, Astrodon LRGBSoftwareMaxIm DL, CCDStack, Photoshop