IOTW: The Wall. Processed by Victor Van Puyenbroeck, Imaged by Alex McConahay

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‘Name: Alex McConahay’s NGC7000 Object: Victor Van Puyenbroeck Description: Processed in PixInsight. Luminance workflow: Stretched Lum and Ha, NR on both layers, combined as Lum*Ha, strechted. Lightened Lum with combined Ha*L channel, DSE script. Color: RGB combine, BN, add Ha to R channel with NBRGBComb script, PCC, SCNR, NR with MLT, stretch (Arcsinh+HT), LRGBComb, curves […]

IOTW: Western Veil Nebula by Chad Andrist

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Name: Chad Andrist Object: Western Veil Nebula in HOO Description: Scope: FSQ106EDXIII reduced .73x Camera: ZWO ASI1600MMC Mount: Mach1GTO Guiding: Lodestar/ZWO OAG Filters: Astrodon 5nm Ha/ 3nm OIII Ha: 25x300s OIII: 25x300s 4.16 hours Software: Acquisition:Sequence Generator Pro Guiding: PHD 2.6 Processing: Pixinsight 1.8.5, Lightroom 4, Photoshop CS5

IOTW: M20 by Diego Colonello

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Name: Diego Colonello Object: M20 Description: M 20 RGB Technical card Imaging telescope or lens:SkyWatcher / Sidereal Trading Mod. 10 inch F4 Klauss Helmerichs C.F. Tube Imaging camera:ZWO Optical ZWO ASI 1600MM cool Mount:TAKAHASHI NJP Temma 2 Guiding telescope or lens:SkyWatcher / Sidereal Trading Mod. 10 inch F4 Klauss Helmerichs C.F. Tube Guiding camera:QHY5L-II Software:Main […]

IOTW: Crescent Nebula Challenge by Chris Plonski

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Name: Chris Plonski Object: Crescent Nebula Processing Challenge Description: Deconvolution MLT Noise reduction Bicolor mix: R=HA, B=OIII, G=(HA*OIII)*1.5 Magenta star removal Background Neutralization, Color Cal Histogram Stretch Inverse masked black compression ACDNR on darks Reset black point HDRMultiScaleTransform Local Histogram Equalization Masked Curves Iterations Star reduction Final fine level and color tweaks in Windows Photo […]

IOTW: Horsehead Nebula by Jeffery Shokler

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Name: Jeffrey E. Shokler Object: Horsehead Nebula (IC 434, Barnard 33) & Flame Nebula (NGC 2024) Description: Canon 5D Mark II (astromodified; Baader UV/IR cut) Stellarvue 130EDT (f7) Celestron CGEM mount 1600 ISO 14×5 min subexposures (70min/1.2hr total integration) Guided (Lacerta MGEN II) PixInsight (calibrated, registered, stacked, post-processed) Photoshop (finish processing)