The planetary nebula NGC 7293 imaged with a hydrogen-alpha filter.
Date: September 6, 2012
Constellation: Aquarius
Location: Pearson College Observatory, Metchosin, BC
Optics: TeleVue 85, f/7, with Baader Planetarium Narrowband 7nm H-Alpha filter
Mount: Takahashi EM-11, guided using PhD
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 14 light frames of 300 seconds, ISO 1600
Processing: Light frames calibrated with dark and flat frames in ImagesPlus. Light frames normalized and combined using MinMax Excluded. Image cropped.