Back M51Whirlpool Galaxy Click to display the full resolution Object InfoTypeSpiral GalaxyConstellationCanes VenaticiDistance37,000,000 ly Capture DetailsDateJuly 6, 2005LocationCarlsbad, CAExposureLum 4x15, R 3x10, G 3x10, B 3x10 (bin 1x1) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1764mm @f/6.3MountCelestron CGECameraSBIG ST-2000XMFocuserOptec TCF-SFiltersCFW8A, Astrodon LRGBSoftwareCCDSoft, Photoshop