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M101 Pinwheel - WIP


GazAstro

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So, I finally got round to trying my C8 Edge on the (Darkframe tuned) HEQ5 !

It's been a roller coaster journey but I'll leave that for another time.

This is my first time imaging at 1400 mm so quite a challenge, managed a mere 25 mins of L in 15 second subs @139 gain and 20 mins each  of RGB in 30 second subs @ 139 gain.

Darks = yes, flats = no, massive amounts of stretching in Photoshop = yes (binned) resized in Photoshop to give more acceptable pixel scale 🙂

I know it's about 3 hours short of data and incredibly noisy / rushed but I was so pleased to capture anything with this set up.

 

Looks way nicer on a mobile phone 🤣

Guiding was 0.69 " over a 2 hour period with some really good spells as can be seen below.

 

Thanks for looking.

 

Off to research ways of adding L to RGB now - did this one by using lab colour and pasting over lightness channel.

 

 

PSX_20210420_231230.jpg

IMG-20210418-WA0006.jpg

Edited by GazAstro
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Looks good! Stars seem fine to my eyes. Are you guiding through OAG or guide scope?

You'd be happy with 0.69" on a HEQ5 - I've finally managed to get mine guiding consistently around 0.75-0.85", which is fine for my current pixel scale, but I also have a C8, which I intend to use shortly, and which could be a challenge.

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4 hours ago, GazAstro said:

Off to research ways of adding L to RGB now - did this one by using lab colour and pasting over lightness channel.

Looking good for so little data, a few more hours will work wonders on it.

 

The best way to incorporate Lum into the RGB data, is to drag the RGB data as a layer into the Lum image. Make sure the Lum image has been changed to RGB from grayscale. Select the RGB layer, then change the blend mode to color. More tweaking will probably be needed on the saturation etc.

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