Back M31Andromeda Galaxy Click to display the full resolution Object InfoTypeSpiral GalaxyConstellationAndromedaDistance2,900,000 ly Capture DetailsDateSeptember 3, 2005LocationLittle Blair Valley, Anza-Borrego Desert, CAExposureLum 5x15 (bin 1x1), R 2x15, G 2x15, B 2x15 (bin 2x2) EquipmentOpticsTakahashi FSQ-106N RefractorFocal Length530mm @f/5MountCelestron CGECameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW8A, Astrodon LRGBSoftwareCCDSoft, Photoshop