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Old 13-03-2016, 01:03 PM
Placidus (Mike and Trish)
Narrowing the band

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South-East Carina Ha OIII SII 31 hours

A famous and exquisite region in SE Carina. A grand total of 31 hours of exposure. A family show, with something for everyone.

Big one [2.5MB] here

Many see the Statue of Liberty in the right-hand half of the image. We see a very well-fed opera singer (it ain't over even if she sings), aboard a covered wagon (roofed with multiple sets of grand arching canvas hoops in rainbow colours), drawn not by a water buffalo but by a dancing Hereford cow, complete with classical curly forehead. On Brunhilda's shoulder is a big black howling hound-dawg. NGC 3581 comprises the Hereford's nose.

The great hoops of the wagon-roof are presumably shock fronts from multiple powerful supernova explosions, although there is no obvious parental open cluster unambiguously responsible.

The cow is very happy. It is dancing, standing on its right hind hoof, which is outlined by a set of several small arcing shocks. NGC 3576 forms the extended, risque can-can left hoof, and 3586 forms the cow's right fore-leg.

There are many other small to medium generally arcuate shock fronts in the area, suggesting much ongoing violent activity.

There is also a goodly supply of Bok globules to be found in this area, and right at the very top are some lovely meandering, branching dust lanes.

The left hand half of the image is powered by very obvious open cluster NGC 3603, making the immediate surrounds bright blue with OIII emission.

We put several nights into collecting enough [OIII] and [SII] to show the related shock fronts without too much grittiness.

Field of view approx 35 min arc. Red: [SII] 15 hrs, Green: H-alpha 4hrs, Blue: [OIII] 12 hrs. Aspen CG16M at -25C on 20" PlaneWave. All processing using our own GoodLook 64.

Please have fun hunting around to find the many more small furry animals and other interesting features.

Best,
M n T
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Last edited by Placidus; 13-03-2016 at 05:32 PM.
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Old 13-03-2016, 01:33 PM
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Atmos (Colin)
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What a lovely image MnT, got lost in there for a while just hunting around all of the detail in the shock fronts and the like.

Sadly, I don't see much in this image, no animals, no wagon, just shock fronts, bok globules and dusty environments.... Oh and a giant dark hand grasping a glowing luminescent electric object giving of pulses of magical energy
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Old 13-03-2016, 02:11 PM
Placidus (Mike and Trish)
Narrowing the band

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What a lovely image MnT, got lost in there for a while just hunting around all of the detail in the shock fronts and the like.
Thanks, Colin!

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Sadly, I don't see much in this image, no animals, no wagon, just shock fronts, bok globules and dusty environments.... Oh and a giant dark hand grasping a glowing luminescent electric object giving of pulses of magical energy
Confession: Only Trish can really see Brunhilde clearly. But I can see the other bits, now including the magical energy!

M
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Old 13-03-2016, 02:12 PM
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RickS (Rick)
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A fine image, Mike & Trish, full of fascinating details. An impressive feat of imagination also
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Old 13-03-2016, 02:22 PM
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RobF (Rob)
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Fantastic pic. Leaves me wanting to scroll outside the borders and keep exploring further at this wonderful resolution
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Old 13-03-2016, 02:49 PM
Placidus (Mike and Trish)
Narrowing the band

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A fine image, Mike & Trish, full of fascinating details. An impressive feat of imagination also
Cheers, Rick!

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Fantastic pic. Leaves me wanting to scroll outside the borders and keep exploring further at this wonderful resolution
Thanks, Rob. That's the trouble with such a long focal length. One only gets a chapter, not the whole book.
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Old 13-03-2016, 06:18 PM
Stevec35 (Steve)
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A nice shot of this region M&T. I would do something to tone the magenta stars down a bit but that's all personal preference I guess.

Cheers

Steve
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Old 13-03-2016, 08:32 PM
Placidus (Mike and Trish)
Narrowing the band

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A nice shot of this region M&T. I would do something to tone the magenta stars down a bit but that's all personal preference I guess.

Cheers

Steve
Thanks Steve. You should have seen the magenta stars before . But there's room for more work. Will look at it.
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Old 13-03-2016, 09:18 PM
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Atmos (Colin)
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Attack them with some RGB stars
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Old 13-03-2016, 10:06 PM
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Great image love the star with the fuzz ring around it to right of the image....
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Old 13-03-2016, 10:21 PM
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Extraordinary Stuff
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Old 14-03-2016, 11:21 AM
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marc4darkskies (Marcus)
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Lovely image M&T! I would personally add a bit more saturation & vibrance but the colours are pleasing, as is, and the depth is great! Imagination quotient is running very high today as well!!

By the way, can't you see the running gnome (with pointy hat and shoes)? He's running so fast he's leaving a cloud of dust behind him!
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Old 14-03-2016, 11:49 AM
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A tidy effort, but I too would tinker with the palette.

As for embedded shapes.... I still see that fish swing toward me.
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Old 14-03-2016, 01:38 PM
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Nice work guys, lotsa glorious detail as always
Hopefully I'll have a clear night this week to finish gathering the O3 on mine. You've inspired me to get LOTS more data with this pic of yours.
Well done
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Old 14-03-2016, 01:47 PM
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strongmanmike (Michael)
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Some lovely features across the frame and I actually don't mind this colour palette guys ...see? you are slowly but surely exposing all the sheep eyes to the reality of the physics

Now as for all the shapes and characters within the nebulosity...wow, there are so many, it's like watching clouds, I see some of your illusions and plenty more, great stuff

Mike
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Old 14-03-2016, 05:16 PM
Placidus (Mike and Trish)
Narrowing the band

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Quote:
Originally Posted by suma126 View Post
Great image love the star with the fuzz ring around it to right of the image....
Thanks, Shane. Glad you saw the little doughnut round the star. There's another far less well formed one toward top left.

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Originally Posted by astronobob View Post
Extraordinary Stuff
Cheers, Bob!

Quote:
Originally Posted by marc4darkskies View Post
Lovely image M&T! I would personally add a bit more saturation & vibrance but the colours are pleasing, as is, and the depth is great! Imagination quotient is running very high today as well!!

By the way, can't you see the running gnome (with pointy hat and shoes)? He's running so fast he's leaving a cloud of dust behind him!
Hi, Marcus. Thanks muchly for the encouragement. We can see a very large black Wizard of Id, with black wizard's hat, black cloak, and white wizard's beard, toward bottom left.

Quote:
Originally Posted by Peter Ward View Post
A tidy effort, but I too would tinker with the palette.

As for embedded shapes.... I still see that fish swing toward me.
Hi, Peter. I suspect that trying to show both the brightest details and the very faint stuff (esp dust lanes at the top) has reduced the punchiness. We'll have a play while trying to do something about the magenta stars.

Quote:
Originally Posted by Andy01 View Post
Nice work guys, lotsa glorious detail as always
Hopefully I'll have a clear night this week to finish gathering the O3 on mine. You've inspired me to get LOTS more data with this pic of yours.
Well done
Thanks, Andy, that's really kind. This area does seem to benefit from really hammering the OIII and SII. The H-alpha is very strong and doesn't need much help.

Quote:
Originally Posted by strongmanmike View Post
Some lovely features across the frame and I actually don't mind this colour palette guys ...see? you are slowly but surely exposing all the sheep eyes to the reality of the physics

Now as for all the shapes and characters within the nebulosity...wow, there are so many, it's like watching clouds, I see some of your illusions and plenty more, great stuff

Mike
Hi, Mike! Thanks for the much needed encouragement regarding the palette. And 'tis a great spot for searching for gnomes and aliens and so forth. I think gnome spotting and story telling is a legitimate art because it helps one to remember the structures for next time.
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Old 14-03-2016, 09:14 PM
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Hi Mike & Trish,
such a beautiful picture - as I've always said -
it's perhaps the most photogenic target in the sky.
Well done.

cheers
Allan
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Old 15-03-2016, 07:11 PM
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Geoff45 (Geoff)
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Beautiful picture as well as informative scientifically. It took me a while to see the Hereford, but it's very obvious and convincing once seen.
Geoff
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Old 16-03-2016, 09:13 PM
Placidus (Mike and Trish)
Narrowing the band

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Hi Mike & Trish,
such a beautiful picture - as I've always said -
it's perhaps the most photogenic target in the sky.
Well done.

cheers
Allan
Thanks, Allan. It is certainly a very dynamic and interesting area.

Quote:
Originally Posted by Geoff45 View Post
Beautiful picture as well as informative scientifically. It took me a while to see the Hereford, but it's very obvious and convincing once seen.
Geoff
Cheers, Geoff! Delighted that you found the cow.

- - -

It's interesting that the right hand half of the picture scored so many separate NGC numbers, whereas to us it looks like one big interconnected star-forming region. The left half looks younger.

Best,
Mike n Trish
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  #20  
Old 17-03-2016, 04:59 PM
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multiweb (Marc)
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You've been busy Mike. Great close up!
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