North America & Pelican in SHO HaRGB

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STEVE333 United States of America
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North America & Pelican in SHO HaRGB

#1

Post by STEVE333 »


Finally was able to capture the S2 data to complete the SHO data. A very clear night but the moon was full.
Wasn't sure if the S2 would add anything, but, things turned out nicely. Overall the S2 data adds additional "fullness" to the image bringing out additional details on the interior of the NA nebula.

IMAGE DETAILS
WO Star71 telescope, iOptron CEM40 mount, ASI1600MM camera (-15C), Chroma 3 nm S2/Ha/O3 filters, StarShoot Autoguider
Acquisition with APT, Guiding with PHD2, Processing with PixInsight
Lights: 21 x 10 min S2, 28 x 10 min Ha, 9 x 10 min O3 (Total Exposure time = 9 hr 40 min)

Used the conventional SHO processing to create the SHO image. Increased detail by using a sharpened version of the Ha data as the Luminance for the LRGB process (hence the acronym HaRGB rather than LRGB). Removed Magenta from just the stars while leaving it in the remainder of the image. I pushed the Color Saturation a bit just to "spice up" the image. I know this isn't to everyone's liking.

I tried two versions, one where I left the Green in the final version (first image below then removed the Green with SCNR to create the second version. I prefer the first one, but, know that Green is usually removed from our images.

Version without SCNR
SHO_HaRGB_Magenta.jpg

Version using SCNR
SHO_HaRGB_Magenta_SCNR.jpg

Thanks for viewing.

Steve
Steve King: Light Pollution (Bortle 5)
Telescope + Mount + Guiding: W.O. Star71-ii + iOptron CEM40 EC + Orion Magnificent Mini AutoGuider
Camera: ASI 1600MM Pro + EFW Filter Wheel + Chroma 3nm Siii, Ha, Oiii + ZWO LRGB Filters
Software: PHD2; APT; PixInsight ***** My AP website: www.steveking.pictures
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Re: North America & Pelican in SHO HaRGB

#2

Post by Graeme1858 »


Very nice images both Steve.

We're not used to seeing the green in the mix but it does add some extra something.

Would it be more subtle with a percentage SCNR?

Regards

Graeme
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Re: North America & Pelican in SHO HaRGB

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Post by bobharmony »


Very nice data, Steve, and some interesting processing. Call me old-fashioned, I prefer the SCNR version, the one with the green looks a bit too "cartoonish" for my taste (I can see a green ninja turtle looking out from above the Pelicans beak :) ) .

Bob
Hardware: Celestron C6-N w/ Advanced GTmount, Baader MK iii CC, Orion ST-80, Canon 60D (unmodded), Nikon D5300 (modded), Orion SSAG
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Re: North America & Pelican in SHO HaRGB

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Post by MariusD69 »


Wonderful! Great work, Steve! I prefer the second version, with SCNR.
Marius
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Re: North America & Pelican in SHO HaRGB

#5

Post by notFritzArgelander »


I like the green also.
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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Re: North America & Pelican in SHO HaRGB

#6

Post by messier 111 »


fine work Steve , thx .
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Re: North America & Pelican in SHO HaRGB

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Post by KathyNS »


Nice rich colour and detail!
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DSO AP: Orion 200mm f/4 Newtonian Astrograph; ATIK 383L+; EFW2 filter wheel; Astrodon Ha,Oiii,LRGB filters; KWIQ/QHY5 guide scope; Planetary AP: Celestron C-11; ZWO ASI120MC; Portable: Celestron C-8 on HEQ5 pro; C-90 on wedge; 20x80 binos; Etc: Canon 350D; Various EPs, etc. Obs: 8' Exploradome; iOptron CEM60 (pier); Helena Observatory (H2O) Astrobin
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Re: North America & Pelican in SHO HaRGB

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Post by carastro »


Very nice Steve, prefer the version WITH SNCR.

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Re: North America & Pelican in SHO HaRGB

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Post by STEVE333 »


bobharmony wrote: Tue Sep 21, 2021 1:30 pm Very nice data, Steve, and some interesting processing. Call me old-fashioned, I prefer the SCNR version, the one with the green looks a bit too "cartoonish" for my taste (I can see a green ninja turtle looking out from above the Pelicans beak :) ) .

Bob
Thanks Bob. Those two bright stars have always looked like eyes to me. Hadn't seen the turtle until you mentioned it. I always saw a cow's head!

Graeme1858 wrote: Tue Sep 21, 2021 1:13 pm Very nice images both Steve.

We're not used to seeing the green in the mix but it does add some extra something.

Would it be more subtle with a percentage SCNR?

Regards

Graeme
Thanks Graeme. I tried 50% with SCNR but didn't like the result. I think I only like the Green because it adds more different colors.

Steve
Steve King: Light Pollution (Bortle 5)
Telescope + Mount + Guiding: W.O. Star71-ii + iOptron CEM40 EC + Orion Magnificent Mini AutoGuider
Camera: ASI 1600MM Pro + EFW Filter Wheel + Chroma 3nm Siii, Ha, Oiii + ZWO LRGB Filters
Software: PHD2; APT; PixInsight ***** My AP website: www.steveking.pictures
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Re: North America & Pelican in SHO HaRGB

#10

Post by Gordon »


Congratulations Steve on having your image selected as todays TSS APOD!

app.php/article/9-22-2021-tss-astrophot ... of-the-day
Gordon
Scopes: Explore Scientific ED80CF, Skywatcher 200 Quattro Imaging Newt, SeeStar S50 for EAA.
Mounts: Orion Atlas EQ-g mount & Skywatcher EQ5 Pro.
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Image cameras: ZWO ASI1600 MM Cool, ZWO ASI533mc-Pro, ZWO ASI174mm-C (for use with my Quark chromosphere), ZWO ASI120MC
Filters: LRGB, Ha 7nm, O-III 7nm, S-II 7nm
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Primary software: Cartes du Ciel, N.I.N.A, StarTools V1.4.

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STEVE333 United States of America
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Re: North America & Pelican in SHO HaRGB

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Post by STEVE333 »


Thank you Gordon. What a nice surprise! Much appreciated.

Steve
Steve King: Light Pollution (Bortle 5)
Telescope + Mount + Guiding: W.O. Star71-ii + iOptron CEM40 EC + Orion Magnificent Mini AutoGuider
Camera: ASI 1600MM Pro + EFW Filter Wheel + Chroma 3nm Siii, Ha, Oiii + ZWO LRGB Filters
Software: PHD2; APT; PixInsight ***** My AP website: www.steveking.pictures
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Re: North America & Pelican in SHO HaRGB

#12

Post by Makuser »


Hi Steve. A beautiful pair of Nebulae in your image. I enjoy both versions with the rich color and fine details although I am more partial to the second version using SCNR. Thanks for sharing this work with us Steve and congratulations on receiving the TSS APOD Award today.
Marshall
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Re: North America & Pelican in SHO HaRGB

#13

Post by Ylem »


Beautiful Steve 👍

I love the Green! 💚
Clear Skies,
-Jeff :telescopewink:


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