M16 and the Pillars of Creation - HST Palette (Cristiano Secci)

Celestial hemisphere: Southern · Constellation: Serpens (Ser) · Contains: Eagle nebula · M 16 · NGC 6611

M16 and the Pillars of Creation - HST Palette, Cristiano Secci

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M16 and the Pillars of Creation - HST Palette

Link: https://www.flickr.com/photos/cristianosecci/41812908055

Powered byPixInsight

M16 and the Pillars of Creation - HST Palette

Link: https://www.flickr.com/photos/cristianosecci/41812908055

My first attempt at the Hubble Palette with the ASI 1600 MM-C. Capturing M16 and the beauty of the Pillars of Creation has been a long-time dream for me ever since I started with my astro-photography efforts. I'm quite pleased with this result, also considering the modest total integration time of 39 minutes under a very good sky in the mountains.

The so called "Hubble Palette" (which, as the name implies, was of course used first on images captured by the Hubble Space Telespcope) is a way to show how different gases and molecular clouds interact within a Nebula, and therefore such images are not only beautiful, they also tells you something very interesting about the chemical composition of what you're looking at: Hidrogen Alpha maps to Green, Oxigen to Blue, and Sulfur to Red. This kind of palette is created capturing each channel separately with a monochrome sensor using dedicated filters which let only the light emitted by ionized molecules of Ha, O3 and SII, and then combining in post-production the channels together in an artificial RGB image.

Technical Details:

OTA: SkyWatcher Newton 200mm F/5

Mount: SkyWatcher NEQ6-Pro

Camera: ZWO ASI 1600 MM-C, cooled at -20C

Guide Camera: QHY-5LII Mono

Guide Scope: ArteSky 60mm F/6

Filters: Optolong Ha, SII, OIII 7nm

Baader Coma Corrector MPCIII

Software: Sequence Generator Pro, PHD2, Deep Sky Stacker, PS

39 frames in total, 60 seconds at Gain 300, 13 frames for each one of the three filters

ZWO ASI1600MM/QHY163M
Narrowband imaging
Imagers of Italy

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Astrometry.net job	2096119
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M16 and the Pillars of Creation - HST Palette

M16 and the Pillars of Creation - HST Palette

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M16 and the Pillars of Creation - HST Palette

M16 and the Pillars of Creation - HST Palette

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