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NGC 281 The Packman Nebula
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NGC 281, aka the Packman Nebula, is an emission nebula (H II region) in the constellation Cassiopeia. The nebula also contains the open cluster IC 1590, whose OB stars ionize the hydrogen, as well as several dark Bok globules. The image was taken with a TeleVue 140 f/5 refractor and SBIG ST2000xcm camera @ -15 degrees C on an Astro-Physics 1200 mount. Image was a total of 3 hours 40 minutes integration time (22 x 10 min guided lights; 15 darks, 64 flats, 64 bias). Individual lights graded in Images Plus 5.0; Calibrated, registered, integrated, and processed in PixInsight 1.8, with final levels adjustment in Adobe Photoshop CC.
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