For a full size image click here. Exposures: Ha 14×900, OIII 10×900 Telescope: Televue NP101 + .8 Reducer Camera: QSI 683 Mount: AP900 Distance: 15,000 Light Years                            Magnitude:  8                                                           Size:  22’x14’ Arc-minutes                                    Age: Not Known                                                      NGC 2359, also known as Thor’s Helmet, is an emission nebula in the constellation […]