Pulling out more with GHS2

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Greenman Great Britain
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Pulling out more with GHS2

#1

Post by Greenman »

I had my first go at GHS2 for streetching today and compare it to default EZ Stretch default. The process is a bit more complex but once you get a handle on the approach the flexibilty is powerful. The combination of hyperbolic and linear stretching (to draw out contrast, using data based feeback).

Original image
ImageAmerican_Nebula-HOO Final by Tony Boutle, on Flickr

And stretched with GHS2
ImageAmerican_Nebula-HOO FinalGHS2 AF by Tony Boutle, on Flickr

Detail of GHS2 (for Pixel Insght) and tutorials can be found here https://www.astrobin.com/forum/c/astrop ... version-2/
Cheers,

Tony.

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Smart Scope: Dwarf II - Club and outreach work.

AP Refractor: Altair 72EDF Deluxe F6;1x & 0.8 Flatteners; Antares Versascope 60mm finder. ASIAir Pro.Li battery pack for grab & go.

Celestron AVX Mount; X-cel LX eyepieces & Barlows 2x 3x, ZWO 2” Filter holder,

Cameras: main DSO ASI533MC; DSO guide ASI120MM; Planetary ASI224MC; DSLR Canon EOS100 stock.

Filters: Astronomik IR cut; Optolong L-Pro; Optolong L-Enhance.

Binoculars: Celestron 15 x 70.

Latitude: 52.219853
Longitude: -1.034471
Accuracy: 5 m
Bortle 4 site. https://maps.google.com/?q=52.21985,-1.03447

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Thefatkitty Canada
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Re: Pulling out more with GHS2

#2

Post by Thefatkitty »

Tony, that's incredible, at least to me! I'm amazed at the amount of extra detail.

Hope the heat is cutting you a break...

All the best,
Mark

"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4, AZ-EQ5 and SolarQuest mounts.
Too much Towa glass/mirrors.

Solar:
H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.
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Greenman Great Britain
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Re: Pulling out more with GHS2

#3

Post by Greenman »

Thefatkitty wrote: ↑Wed Aug 17, 2022 11:00 pm Tony, that's incredible, at least to me! I'm amazed at the amount of extra detail.

Hope the heat is cutting you a break...

All the best,
Cheers Mark, yep the weather here has broken - rain last night down from 30C to 19...
Cheers,

Tony.

Image

Smart Scope: Dwarf II - Club and outreach work.

AP Refractor: Altair 72EDF Deluxe F6;1x & 0.8 Flatteners; Antares Versascope 60mm finder. ASIAir Pro.Li battery pack for grab & go.

Celestron AVX Mount; X-cel LX eyepieces & Barlows 2x 3x, ZWO 2” Filter holder,

Cameras: main DSO ASI533MC; DSO guide ASI120MM; Planetary ASI224MC; DSLR Canon EOS100 stock.

Filters: Astronomik IR cut; Optolong L-Pro; Optolong L-Enhance.

Binoculars: Celestron 15 x 70.

Latitude: 52.219853
Longitude: -1.034471
Accuracy: 5 m
Bortle 4 site. https://maps.google.com/?q=52.21985,-1.03447

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messier 111 Canada
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Re: Pulling out more with GHS2

#4

Post by messier 111 »

wow , love the difference , thx .
I LOVE REFRACTORS , :Astronomer1: :sprefac:

REFRACTOR , TS-Optics Doublet SD-APO 125 mm f/7.8 . Lunt 80mm MT Ha Doublet Refractor .

EYEPIECES, Delos , Delite and 26mm Nagler t5 , 2 zoom Svbony 7-21 , Orion Premium Linear BinoViewer .

FILTER , Nebustar 2 tele vue . Apm solar wedge . contrast booster 2 inches .

Mounts , cg-4 motorized , eq6 pro belt drive .

“Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.”
― Isaac Asimov

Jean-Yves :flags-canada:
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