For a full size image click here. Exposure: SII 2×900, Ha 29×900, OIII 6×900 Telescope: Televue NP101 + .8 Reducer Camera: QSI 683 Mount: AP900 Distance: 2,400 Light Years                         Magnitude: 3.9 Central Cluster                   Size: 20 Arc Minutes                                         Age: 2-4 Million Years                                     Commonly known as the Christmas Tree Cluster, NGC 2264 is actually the catalog number […]