Vela Supernova Remnant Widefield

gregbradley · #1 13-01-2012, 07:36 PM

I have been intrigued by this object for several years and have imaged it a number of times.

I thought it would make a good target with the Pentax 67 lenses.
The 165mm frames virtually all of it plus a couple of the Gum nebulas.

I took this one over the Christmas break at my dark site.

Ha 1 hour O111 2 hours (2x2)
LRGB 20 minutes each for a total of 4 hours and 20 minutes.

FLI Proline 16803, PMX mount.

http://upload.pbase.com/gregbradley/...40896975/large Ha only

http://upload.pbase.com/image/140884665 regular colour

http://upload.pbase.com/gregbradley/...84665/original Large colour

Greg.

Ross G · #2 13-01-2012, 08:25 PM

Hi Greg,

A great photo. So sharp and detailed and I love the colours.

You are really producing some beautiful photos with your Pentax lenses.

At the moment I've got a Nikon 180mm lens set up on my mount in the backyard, attached to a QHY9 mono camera and a Ha filter. If it stays clear, it will be my first proper test with it.

Ross.

atalas · #3 13-01-2012, 08:28 PM

Looks great Greg! some of your best work has come from this region and It's easy to see why It's a favorite.

Rigel003 (Graeme) · #4 13-01-2012, 09:26 PM

Fantastic image Greg. Looks like some kind of interstellar confectionary dripping with sugar and laced in fairyfloss. What an amazing object.

bmitchell82 (Brendan) · #5 13-01-2012, 09:47 PM

Great framing greg, the only thing that im wondering about is where are the star colours as the over all picture looks a tad mono eg you have the blue of the SNR and the red of the back ground nebula but everything else is white/bluey white? Possibly it could be Sidonioed to process for star colours? and some over all colouring?

Brendan

gregbradley · #6 13-01-2012, 11:58 PM

Quote:

Originally Posted by Ross G

Hi Greg,

A great photo. So sharp and detailed and I love the colours.

You are really producing some beautiful photos with your Pentax lenses.

At the moment I've got a Nikon 180mm lens set up on my mount in the backyard, attached to a QHY9 mono camera and a Ha filter. If it stays clear, it will be my first proper test with it.

Ross.

Thanks Ross. I used a Nikon 180mm ED at one time. It is a nice lens.

Quote:

Originally Posted by atalas

Looks great Greg! some of your best work has come from this region and It's easy to see why It's a favorite.

Cheers Louie, I do like this region.

Quote:

Originally Posted by Rigel003

Fantastic image Greg. Looks like some kind of interstellar confectionary dripping with sugar and laced in fairyfloss. What an amazing object.

Thanks for that. It is a maze of nebula and tendrils and background red hydrogen. Its amazing how much stuff is in a large star.

Quote:

Originally Posted by bmitchell82

Great framing greg, the only thing that im wondering about is where are the star colours as the over all picture looks a tad mono eg you have the blue of the SNR and the red of the back ground nebula but everything else is white/bluey white? Possibly it could be Sidonioed to process for star colours? and some over all colouring?

Brendan

Yes true. I repro'd it from a certain point. The stars have to be masked on every layer of Ha and O111 added or it pollutes the stars. This version seems better.

Greg.

cventer · #7 14-01-2012, 12:01 AM

Nice work Greg a very interesting target and superbly processed. Was that piggy backed on your ME or MX ?

LucasB (Lucas) · #8 14-01-2012, 12:04 AM

Lovely photo Greg. A real pleasure to look at! Love the nebula colour.

Lucas

gregbradley · #9 14-01-2012, 12:26 AM

Quote:

Originally Posted by cventer

Nice work Greg a very interesting target and superbly processed. Was that piggy backed on your ME or MX ?

On top of a TEC110 on the PMX. I'll post a photo of the rig. It looks pretty unusual but it all worked well.

Quote:

Originally Posted by AstroAussie

Lovely photo Greg. A real pleasure to look at! Love the nebula colour.

Lucas

Thanks Lucas. There is a lot of interesting colour in there. Its a bit like the northern hemispheres Veil Nebula.

Greg.

gregbradley · #10 14-01-2012, 10:30 AM

Here is the Ha only image. 4 x 15minutes 2x2 binning.

http://upload.pbase.com/gregbradley/...40896975/large

And here is an image of the imaging setup:

http://upload.pbase.com/image/140897553

Greg.

allan gould · #11 14-01-2012, 12:17 PM

Greg
I love that photo as it's so delicate. Even with the strong background which makes thus ephemeral strands so delicately resolved.
Beautiful.
Allan

Paul Haese · #12 14-01-2012, 01:17 PM

Interesting field of view Greg. Loads of detail.

Lester · #13 14-01-2012, 01:56 PM

Top image Greg with a lot of depth. Good to see your rig also.

All the best.

gregbradley · #14 14-01-2012, 06:36 PM

Quote:

Originally Posted by allan gould

Greg
I love that photo as it's so delicate. Even with the strong background which makes thus ephemeral strands so delicately resolved.
Beautiful.
Allan

Thanks Allan. Those strands are very delicate and make it a very interesting area.

Quote:

Originally Posted by Paul Haese

Interesting field of view Greg. Loads of detail.

Cheers Paul. Its one of my better lens images. Too short a focal length and you lose resolution, too long and you don't take it all in.

Quote:

Originally Posted by Lester

Top image Greg with a lot of depth. Good to see your rig also.

All the best.

Thanks Lester.

Greg.

TrevorW · #15 14-01-2012, 11:25 PM

Very nice maybe a bit rich in the red for my taste but overall top effort

gregbradley · #16 14-01-2012, 11:53 PM

Thanks Trevor. It is rather red.

I've done a repro and got the red tamed and the star colours back in and the blue remnant
more contrasted. I am happier with this version.

http://www.pbase.com/gregbradley/image/140884665

Greg.

TrevorW · #17 15-01-2012, 11:00 AM

Thats look much more natural IMO, do you have the Hasta La Vista Green PS plug in by the way

Cheers

RobF (Rob) · #18 15-01-2012, 05:27 PM

I should have posted on this sooner Greg, having gawked at the thread a number of times. My first reaction was always that the red was a bit over-powering, but I bit my tongue having no experience with it myself. It is an intriguing object as you say, and must confess I wasn't aware of it or it's significance until Marco posted his rendition last year. Mind boggling really.

I love the Ha version most of all but the recent repro has much nicer colour IMHO too. Sounds like it was quite a processing challenge.

Thanks (yet again!) for taking the trouble to snap a pic of your rig. The big 67 lens and FLI camera are wonderful to drool at. You and Marc have a lot to answer for teasing us all with your widefield exploits!

gregbradley · #19 15-01-2012, 06:37 PM

Quote:

Originally Posted by TrevorW

Thats look much more natural IMO, do you have the Hasta La Vista Green PS plug in by the way

Cheers

Thanks Trevor I find the lens type images tricky to get a good colour look and the stars layered in through the Ha and O111 image which tends to dominate. I was happiest with this latest version which has the LRGB stars layered in using an inverted mask so only the star colour came through and not the background colour which had very little data in it.

Quote:

Originally Posted by RobF

I should have posted on this sooner Greg, having gawked at the thread a number of times. My first reaction was always that the red was a bit over-powering, but I bit my tongue having no experience with it myself. It is an intriguing object as you say, and must confess I wasn't aware of it or it's significance until Marco posted his rendition last year. Mind boggling really.

I love the Ha version most of all but the recent repro has much nicer colour IMHO too. Sounds like it was quite a processing challenge.

Thanks (yet again!) for taking the trouble to snap a pic of your rig. The big 67 lens and FLI camera are wonderful to drool at. You and Marc have a lot to answer for teasing us all with your widefield exploits!

I did find it challenging to process. These 67 lenses aren't very expensive so they are a good way to get into lens imaging. That 165mm lens probably only cost about $250 or less. The camera of course is expensive though.

Greg.

strongmanmike (Michael) · #20 15-01-2012, 07:44 PM

I can see a lot of fun ahead with this new Pentax lens setup Greg, these early results look great. The colour version is rather Lorenzi-esque

...and done in one shot to boot

I like the Ha only too

What do these frames look like at full res? I imagine the Ha is pretty spectacular?

How you can possibly properly utilise your now formidable line up of imaging artillery is beyond me...I think you should divvy it up a bit

...or if you are greedy, mean and nasty

...then I think a GRAS style roll of roof remote unit that houses all your setups would be a sight to behold - cool

Mike