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  #1  
Old 17-07-2017, 08:55 PM
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The Milky Way in Ha

I am deep into a mosaic project. I have gotten 4 panels of it so far. The Ha
of this mosaic is what I am showing here. I have colour data for the first 4 panels although I think I will reshoot a few of them as they were a bit too heavily moon affected.

Proline 16803, Astrodon 5nm Ha filter using a Pentax 67 75m F4.5 lens autoguided on top of an AP1600 at my dark site. Good seeing but a part moon. I hand focus the lens.

http://www.pbase.com/gregbradley/image/165846972/large regular size

http://www.pbase.com/gregbradley/ima...46972/original large size

I found it very interesting that there is such a large Ha area around Rho Ophiuchi which doesn't show up normally and also that large nebula above it. I am not 100% sure but I think its Gum 14 which I also have an AP Honders image of.

Greg.
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  #2  
Old 17-07-2017, 09:20 PM
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Atmos (Colin)
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That looks fantastic Greg!!
I am planning on doing a similar project when I get a new scope for it

Love it!
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  #3  
Old 17-07-2017, 09:32 PM
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Originally Posted by Atmos View Post
That looks fantastic Greg!!
I am planning on doing a similar project when I get a new scope for it

Love it!
Sounds great.

It shows a lot of structures not normally imaged so it makes a good reference image for things worth exploring for an imaging target.

Greg.
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Old 17-07-2017, 09:35 PM
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Planning on getting a Samyang 135mm F/2 but still need to get a new counter weight shaft so that I can balance my mount with such a light weight on the scope end

You've given me a nice reference image however.
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Old 17-07-2017, 10:41 PM
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Quote:
Originally Posted by Atmos View Post
Planning on getting a Samyang 135mm F/2 but still need to get a new counter weight shaft so that I can balance my mount with such a light weight on the scope end

You've given me a nice reference image however.
I have the Samyang 135 2 on my bucket list. From what I read and have seen its an excellent lens. But being a Samyang I would buy from a store with a good return policy.
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Old 17-07-2017, 10:42 PM
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This is inspiring stuff Greg. Seems to be going great so far!
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Old 17-07-2017, 10:49 PM
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Nice work Greg - a definite bucket list image I'd like to make!

DT
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Old 17-07-2017, 10:59 PM
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Quote:
Originally Posted by Atmos View Post
Planning on getting a Samyang 135mm F/2 but still need to get a new counter weight shaft so that I can balance my mount with such a light weight on the scope end

You've given me a nice reference image however.
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This is inspiring stuff Greg. Seems to be going great so far!
Thanks Rob! I am not sure how many panels I will end up taking. I am taking this piggybacked to my CDK17 on an AP1600 at my observatory so I can't get totally all the way down to the horizon although I was surprised I was picking up some landscape early on the evening so perhaps wider than I think.

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Nice work Greg - a definite bucket list image I'd like to make!

DT
Thanks David. Widefield Milky Way shots make a lot of sense for us in Australia as most of the world does not really get to see the whole of the Milky Way.
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Old 18-07-2017, 11:22 AM
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That's amazing Greg - super stuff!
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Old 18-07-2017, 11:55 AM
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Very cool, Greg!
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Old 18-07-2017, 12:22 PM
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graham.hobart (Graham stevens)
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milky way ha

that is superb Greg
graz
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  #12  
Old 18-07-2017, 12:24 PM
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marc4darkskies (Marcus)
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That's excellent Greg! Get the colour right and this will be a killer image!
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Old 18-07-2017, 03:40 PM
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That's manificent, Greg !

I can recognize many old favourites, but there are also many fascinating bits that I don't recognize, including what looks like a large supernova remnant at bottom centre.

A gorgeous image.
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Old 18-07-2017, 04:30 PM
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That is seriously awesome. Classic framing, too.

I had no idea there was that much hydrogen around the Blue Horsehead, too. Wow!

Well done!

H
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Old 18-07-2017, 04:48 PM
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Wow, what a vista Greg, nice work, looking forward to seeing what you finish up with ....look out Troy and Rogelio

Mike
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Old 18-07-2017, 05:45 PM
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Looks great! There is so much going on in the MWG. One day when I get a permanent obsy and more imaging time, I may start exploring less familiar corners of our galaxy.
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Old 18-07-2017, 08:16 PM
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Quote:
Originally Posted by Retrograde View Post
That's amazing Greg - super stuff!
Thanks for that. I intend to extend it next new moon.

Quote:
Originally Posted by RickS View Post
Very cool, Greg!
Cheers Rick.

Quote:
Originally Posted by graham.hobart View Post
that is superb Greg
graz
Thanks Graham. Not bad for a $125 telescope eh? (the Pentax 67 75mm lens cost me something like that).

Quote:
Originally Posted by marc4darkskies View Post
That's excellent Greg! Get the colour right and this will be a killer image!
Yes the colour will be more difficult. I need to reshoot a couple of subs and extend it more.

Quote:
Originally Posted by Placidus View Post
That's manificent, Greg !

I can recognize many old favourites, but there are also many fascinating bits that I don't recognize, including what looks like a large supernova remnant at bottom centre.

A gorgeous image.
Yes I thought the same thing. I have seen that feature before in other widefield Milky Way shots I have done. I don't know what it is. I may take a closer up shot of it next new moon.

Quote:
Originally Posted by Octane View Post
That is seriously awesome. Classic framing, too.

I had no idea there was that much hydrogen around the Blue Horsehead, too. Wow!

Well done!

H
I was surprised by that as well. Ha makes the Milky Way look very violent I think.

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Originally Posted by strongmanmike View Post
Wow, what a vista Greg, nice work, looking forward to seeing what you finish up with ....look out Troy and Rogelio

Mike
Hehe thanks Mike.

Quote:
Originally Posted by Slawomir View Post
Looks great! There is so much going on in the MWG. One day when I get a permanent obsy and more imaging time, I may start exploring less familiar corners of our galaxy.
There seems to be endless imaging targets when you see it widefield like that.

Greg.
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  #18  
Old 19-07-2017, 04:21 AM
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Nice work there Greg! Yes, there is loads of Ha around Zeta, Rho and other crew. The Sharpless Ha stuff Sh2-1, Sh2-27 (Zeta Ophiuchi big red blob), Sh2-9 (next to M4 globular). And the big loop around the head of Scorpius - they have shown up on my DSLR Ha work - and you have it in this image. Looks awesome in a wide context against the Milky Way. Love the composition - you just squeezed in the great red blob (zeta) which is very important. I cannot believe that the zeta nebula hasn't been nailed before as a target. Anyone? Awesome work
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Old 19-07-2017, 10:21 AM
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Quote:
Originally Posted by cazza132 View Post
Nice work there Greg! Yes, there is loads of Ha around Zeta, Rho and other crew. The Sharpless Ha stuff Sh2-1, Sh2-27 (Zeta Ophiuchi big red blob), Sh2-9 (next to M4 globular). And the big loop around the head of Scorpius - they have shown up on my DSLR Ha work - and you have it in this image. Looks awesome in a wide context against the Milky Way. Love the composition - you just squeezed in the great red blob (zeta) which is very important. I cannot believe that the zeta nebula hasn't been nailed before as a target. Anyone? Awesome work
Thanks very much Troy and thanks for the explanation of those items. Yes I did see these turning up in your recent Sagittarius and Rho mosaic, lovely work, I am an admirer.

Greg.
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Old 19-07-2017, 07:31 PM
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Wow, that's a great piece of work. Loads of play with there for future targets!

Well done!
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