The Helix Nebula

User avatar
stuck
UraniumLounger
Posts: 6316
Joined: 25 Jan 2010, 09:09
Location: up North (but it's not that grim)

Re: The Helix Nebula

Post by stuck »

:hmmn: I need to get a life, this is turning into a HUGE time sink-hole.

Ken
You do not have the required permissions to view the files attached to this post.

User avatar
Graeme
3StarLounger
Posts: 369
Joined: 11 Feb 2010, 12:23
Location: Medway, Kent, UK

Re: The Helix Nebula

Post by Graeme »

That is really good clarity in the central region Ken. Oxygen to the blue channel works a treat.

Feel free to post it up on the Sky Searchers thread! I would point out that there's other data available for download there but I don't want to feed your growing addiction!

Regards

Graeme

User avatar
stuck
UraniumLounger
Posts: 6316
Joined: 25 Jan 2010, 09:09
Location: up North (but it's not that grim)

Re: The Helix Nebula

Post by stuck »

Graeme wrote:
15 Nov 2020, 11:53
...Oxygen to the blue channel works a treat...
It wasn't as simple as that. This version starts with the previous one (Ha -->Red | Nii -->Green | Oiii -->Blue) and then applies the Technicolor effect, which involves inverting the colours in each channel (R-->G, G-->M, B -->Y). There was then a lot of messing with curves etc. as well.

I wondered about uploading it to Sky Searchers but it's not somewhere I'm likely to frequent. Much as I'm tempted by astrophotography the capital outlay required is beyond my budget! Feel free to post it on my behalf if you wish.

Ken

User avatar
Graeme
3StarLounger
Posts: 369
Joined: 11 Feb 2010, 12:23
Location: Medway, Kent, UK

Re: The Helix Nebula

Post by Graeme »

Thanks for the Vimeo Ken. I'll try the Technicolor effect in Gimp.

I'll post a copy of that version on Sky Searchers for you. You would have to join up to do it yourself. Although non optics owners are always welcome!

Regards

Graeme

User avatar
stuck
UraniumLounger
Posts: 6316
Joined: 25 Jan 2010, 09:09
Location: up North (but it's not that grim)

Re: The Helix Nebula

Post by stuck »

Graeme wrote:
15 Nov 2020, 15:49
...in Gimp...
If you have the budget for your astro kit you should be able to afford a copy of Affinity Photo, it's a mere £48.99. However, if you wait a few more days until Black Friday, then, if they do the sort of offer they've done in previous years, you'll get it even cheaper, possibly as low as half price. At that sort of money it's rude not to buy.
Graeme wrote:
15 Nov 2020, 15:49
...post a copy...
Thanks.

Ken
PS I've sent you a follow up PM

User avatar
ChrisGreaves
PlutoniumLounger
Posts: 11701
Joined: 24 Jan 2010, 23:23
Location: paused.undefined.exposed

Re: The Helix Nebula

Post by ChrisGreaves »

stuck wrote:
15 Nov 2020, 11:39
:hmmn: I need to get a life, this is turning into a HUGE time sink-hole.
What is life, but a huge time sink-hole?
As Richard Dawkins said, and I paraphrase, "We stand centre-stage for seventy years, and then the spotlight moves off, stage right, stuck as we are between those two awe-full eternities".
I'm off to buy some bananas from Foodland while the time is ripe ...
Cheers
Chris
More than the minimum is less than enough

User avatar
BobArch2
5StarLounger
Posts: 1117
Joined: 25 Jan 2010, 22:25
Location: Pickering, Ontario, Canada

Re: The Helix Nebula

Post by BobArch2 »

ChrisGreaves wrote:
16 Nov 2020, 14:02
I'm off to buy some bananas from Foodland while the time is ripe ...
Ewe go laddie!!! :flee:
Regards,
Bob

User avatar
Graeme
3StarLounger
Posts: 369
Joined: 11 Feb 2010, 12:23
Location: Medway, Kent, UK

Re: The Helix Nebula

Post by Graeme »

stuck wrote:
16 Nov 2020, 10:15
Graeme wrote:
15 Nov 2020, 15:49
...post a copy...
Thanks.
Ken

https://theskysearchers.com/viewtopic.p ... 41#p124039

With an advert for Eileen's Lounge!

Regards

Graeme

User avatar
Graeme
3StarLounger
Posts: 369
Joined: 11 Feb 2010, 12:23
Location: Medway, Kent, UK

Re: The Helix Nebula

Post by Graeme »

stuck wrote:
16 Nov 2020, 10:15
If you have the budget for your astro kit .....

Have you seen what that thing cost? I'm skint now!!!

Gimp is free and an excellent piece of software. I'll probably stick with that for now.

Regards

Graeme