Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  48 Ori  ·  48 sig Ori  ·  50 Ori)  ·  50 zet Ori  ·  Alnitak  ·  B33  ·  Flame Nebula  ·  HD290604  ·  HD290605  ·  HD290607  ·  HD290608  ·  HD290611  ·  HD290612  ·  HD290613  ·  HD290614  ·  HD290615  ·  HD290616  ·  HD290618  ·  HD290619  ·  HD290677  ·  HD290678  ·  HD290679  ·  HD290680  ·  HD290682  ·  HD290683  ·  HD290686  ·  HD290687  ·  HD290690  ·  HD290691  ·  HD290692  ·  And 206 more.
Horsehead and Flame Nebula in HaRGB, Rikesh Patel
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Horsehead and Flame Nebula in HaRGB

Horsehead and Flame Nebula in HaRGB, Rikesh Patel
Powered byPixInsight

Horsehead and Flame Nebula in HaRGB

Equipment

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Acquisition details

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Description

Equipment:- Skywatcher EQ6-R pro- AKSAR FRA400 with 0.7x reducer (f3.9)- ZWO 32mm f4 guidescope + ASI 120MM-mini- ZWO ASI 294MM pro- ZWO EAF- Optolong 36mm RGB filters, Optolong 3nm 36mm Ha filter- Pegasus Powerbox advance Acquisition:- Lights, Ha 23 x 300s, RGB 20 x 180s, total integration 225 minutes- Darks: 30- Flats: 20 per filter- Darkflats: 20 per filter Processing:-        Stack and calibrate al subframes in APP-        Light pollution removal and batch crop on Ha, R, G and B stacks-        Combine as HaRGB, star colour calibrate-        Save stretched version of Ha alone and HaRGB as 16bit TIFFs-        HaRGB file in PS – noise xterminator, starxterminator, create star mask, saturation, vibrance, light stretch-        Ha file in PS – noise Xterminator, starXterminator, curves, ACR, contrast-        Use processed Ha file as luminance on starless HaRGB file at 25% opacity-        Further sharpening and adjustments using Topaz AI and a series of masked high pass filters-        On Star only layer, minimisation using highlights selection and minimum filter-        Add stars back into main image using blend mode “linear dodge, add”-        Crop to taste

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Horsehead and Flame Nebula in HaRGB, Rikesh Patel