Image Acquisition: Sequence Generator Pro Imaging Camera: Atik 383L+ Mono CCD Cooled to -20Cįilter Wheel: StarlightXpress 7x36mm USB Filterwheel Imaging Scope: Skywatcher Quattro 8-CF F4 Newtonian This is the very first time I have imaged this object, and it is the first object ot be imaged with my new Skywatcher Quattro 8-CF F4 telescope, I am extremely happy with the resultsĪll frames have 25 darks and 25 flats applied also It lies 1,300 light-years away and is six light-years across It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alphirk). NGC 7023 is actually the cluster within the nebula, LBN 487, and the nebula is lit by a magnitude +7 star, SAO 19158. The Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. Post Processing: Photoshop, GradientXterminator, NoiseNinja 383L+ Astronomy Astrophotography ATIK Baader C80ED CCD Celestron Dark Deep Space Elephant's Trunk Nebula F4 Flat HA Hydrogen Alpha IC1396 Light Long Exposure LRGB LRGBHA Mono Narrowband Nebula Nebulosity PixInsight QHYCCD Quattro RGB Sequence Generator Pro Sky-Watcher Space Stacking StarlightXpress UK Astronomy Imaging Camera: Atik Cameras Cameras 383L+ Mono CCD Cooled to -20CĬapture Software: Main Sequence Software Sequence Generator Proĭark/Flat Subtraction and Stacking: Maxim-DL Guide Scope: Celestron Telescopes Telescopes C80ED Imaging Scope: Sky-Watcher Quattro 8-CF 8″ F4 Newtonian The Elephant’s Trunk nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC 1396 located in the constellation Cepheus about 2,400 light years away from EarthĨx 600S – Hydrogen Alpha (As lighten layer in Red Channel)Īll data was obtained over two nights, 7th and 8th September 2016