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NGC 281
NGC 281 is an emission nebula in Cassiopeia discovered in 1881 by Edward E. Barnard while he was searching for comets with a 5-inch refractor. This image, which needs more exposure time, is through narrowband Oxygen[III] and Hydrogen alpha filters. The Oxygen and Hydrogen gas is ionized by the young cluster of stars in the center (IC 1590). Imaged with a Takahashi FSQ106ED; SBIG ST2000xm; Baader Filters; Paramount.
The_reflection_Nebula_IC_2118_in_Eridanus.jpg The_Bubble_SH2_162_NGC_7635_in_Cassiopeia.jpg NGC_291_in_Cassiopeia.jpg Medusa_Nebula_in_Gemini.jpg Flame_Nebula.JPG
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