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Clamshell nebula Sh2-119 Clamshell Nebula SHO with some RGB stars. Taken from Bortle 8. A lot of hard work went into producing this because the Oiii and Sii was so faint from my location. Had to use the Equalize function in Photoshop to bring out the faint stuff. Ha 13 x 900 Oiii 4 x 450binned Sii 2 x 450 binned I know I should have got more Oiii and Sii, but was so disappointed with so little data showing I gave up and went for HaRGB instead. But today i decided to "have a go" and see what I could do with SHO and the equalize function. Samyang 135mm lens @ f2.8 and Atik460EX Baader filters on HEQ5 Link-words: CarolePope

Clamshell nebula Sh2-119

Clamshell Nebula SHO with some RGB stars. Taken from Bortle 8.

A lot of hard work went into producing this because the Oiii and Sii was so faint from my location. Had to use the Equalize function in Photoshop to bring out the faint stuff.

Ha 13 x 900
Oiii 4 x 450binned
Sii 2 x 450 binned
I know I should have got more Oiii and Sii, but was so disappointed with so little data showing I gave up and went for HaRGB instead.
But today i decided to "have a go" and see what I could do with SHO and the equalize function.

Samyang 135mm lens @ f2.8 and Atik460EX Baader filters on HEQ5

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File information
Filename:Clamshell_SHO.png
Album name:Carole / Nebulae
Link-words:CarolePope
Image date, time and location:May 2021 over 3 nights
Telescope aperture and focal ratio:Samyang 135mm F2 lens (@f2.8)
Camera and filters used:Atik460EX Baader
Processing applied:Astroart, Photoshop and Registar
Filesize:14848 KiB
Date added:Jun 18, 2021
Dimensions:2080 x 1699 pixels
Displayed:64 times
URL:http://gallery.orpington-astronomy.org.uk/displayimage-2054-_Clamshell_nebula_Sh2_119_.html
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