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Old 06-08-2018, 09:18 PM
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strongmanmike (Michael)
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The Corona Australis Molecular Cloud

It is the bright busy pointy end (top right half in this shot) of this large faint molecular cloud that is usually imaged at tighter image scales as it contains some cool features including R Corona Australis inside its variable nebula

The Corona Australis Molecular Cloud as a whole though is a much larger, faint gaseous and dusty molecular cloud with many embedded reflection nebulae as mentioned, including NGC 6729, NGC 6726–7 and IC 4812. A star-forming region of around 7000 Solar masses, the cloud contains Herbig–Haro objects (protostars) and some very young stars. About 430 light years away, it is one of the closest star-forming regions to the Solar System.

With a 4deg wide field I was able to cover most of the extent of the molecular cloud but a second panel would frame the lot.....

Corona Australis Molecular Cloud (Click on image and scroll around the large file)

You can also view it HERE

Ever wanted to know the designations of the various bits?..Here is an annotated version

Mike
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Last edited by strongmanmike; 07-08-2018 at 04:34 PM.
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Old 06-08-2018, 09:24 PM
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Atmos (Colin)
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I think you need to clean your FSQ Mike, there seems to be stuff smeared all over the field blocking out the stars
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Old 06-08-2018, 09:44 PM
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I think you need to clean your FSQ Mike, there seems to be stuff smeared all over the field blocking out the stars
Aaaarg!.. you mean I wasted the best part of 3 nights

Mike
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Old 06-08-2018, 10:21 PM
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That's a fantastic wide view of the region.
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Old 07-08-2018, 06:53 AM
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That's a beauty, Mike! I'm thinking about chasing this object at Astrofest with a DSLR.

Cheers,
Rick.
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  #6  
Old 07-08-2018, 06:59 AM
Placidus (Mike and Trish)
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The way you've presented the dust, sometimes obscuring the distant stars, sometimes being lit by the nearest stars, sometimes a bit of each, is wonderful. Then, if one zooms, in, so much detail.

Toward 7 o'clock from the globular is the large and detailed face of a camel or perhaps a yak, with Yoda's Walking Stick on the bridge of the nose between the eyes. It is all there, including a very clear nostril, mouth, and cleft upper lip. I had no idea it was there!

Lovely image.
Mike
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Old 07-08-2018, 03:14 PM
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Old 07-08-2018, 04:32 PM
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strongmanmike (Michael)
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Quote:
Originally Posted by cometcatcher View Post
That's a fantastic wide view of the region.
Thanks Kevin

Quote:
Originally Posted by RickS View Post
That's a beauty, Mike! I'm thinking about chasing this object at Astrofest with a DSLR.

Cheers,
Rick.
Cheers Rick, whatch ya shooting with?

Quote:
Originally Posted by Placidus View Post
The way you've presented the dust, sometimes obscuring the distant stars, sometimes being lit by the nearest stars, sometimes a bit of each, is wonderful. Then, if one zooms, in, so much detail.

Toward 7 o'clock from the globular is the large and detailed face of a camel or perhaps a yak, with Yoda's Walking Stick on the bridge of the nose between the eyes. It is all there, including a very clear nostril, mouth, and cleft upper lip. I had no idea it was there!

Lovely image.
Mike
Thanks a lot Mike, yes a few shapes and figures in this one..I always see Rafiki from the Lion King

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Well, glad you like it so much Louie
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  #9  
Old 07-08-2018, 05:22 PM
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Ah, so that how the (nearly) entire region looks like! Awesome image Mike, as always

I really enjoyed browsing the large resolution image. Perhaps a silly question - but any idea what those streamers coming out of the bright blue star (at about 2 o'clock from IC4812) are?
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Old 07-08-2018, 05:30 PM
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Very cool Big Mike. Nice processing. You didnt blow away the bright glob.

That's a dusty bugger and look at all those stars. Good star shapes right into the corners.

Dave
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Old 07-08-2018, 06:32 PM
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A fabulous vista Mike. A grandious voyage across a dusty plain with some stunning blue highlights.

The star field is also very vibrant.

Greg.
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  #12  
Old 07-08-2018, 07:21 PM
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Quote:
Originally Posted by strongmanmike View Post
It is the bright busy pointy end (top right half in this shot) of this large faint molecular cloud that is usually imaged at tighter image scales as it contains some cool features including R Corona Australis inside its variable nebula

The Corona Australis Molecular Cloud as a whole though is a much larger, faint gaseous and dusty molecular cloud with many embedded reflection nebulae as mentioned, including NGC 6729, NGC 6726–7 and IC 4812. A star-forming region of around 7000 Solar masses, the cloud contains Herbig–Haro objects (protostars) and some very young stars. About 430 light years away, it is one of the closest star-forming regions to the Solar System.

With a 4deg wide field I was able to cover most of the extent of the molecular cloud but a second panel would frame the lot.....

Corona Australis Molecular Cloud (Click on image and scroll around the large file)

You can also view it HERE

Ever wanted to know the designations of the various bits?..Here is an annotated version

Mike
That's truly incredible Mike... I never thought I would see the day.

Not a single emoticon in your post.


Oh, and yes
that's a pretty good image as well.

best
~c
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  #13  
Old 07-08-2018, 07:24 PM
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That's kinda NOICE!

Going to have to revisit it again with the FSQ-106 instead of the FSQ-85 like before. Interesting I got the red in the hockey stick swirl whereas yours doesn't show it.
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Old 07-08-2018, 10:38 PM
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Thank you for presenting the 'big picture' here Mike. As you say, we are normally focusing on the pointy bit at the end so it is good to see a fine display of the surrounding area.
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Old 07-08-2018, 10:44 PM
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Seemingly every bit of dust there is clearly shown, so deep indeed, yet nothing is blown out, and the FSQ is so optically perfect, stars right in the corners exactly the same as in the middle not a hint of abberation. A truly stunning picture.
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Old 07-08-2018, 11:15 PM
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Top shelf image again Mike - that shelf must be about to topple over with all the goodies on it now!
Lovely wide vista, pts the objects nicely into context - well done!
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  #17  
Old 08-08-2018, 12:37 AM
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Looks incredible Mike
Like flying around in outer space !

Best
Ja
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  #18  
Old 08-08-2018, 09:28 AM
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Quote:
Originally Posted by Slawomir View Post
Ah, so that how the (nearly) entire region looks like! Awesome image Mike, as always

I really enjoyed browsing the large resolution image. Perhaps a silly question - but any idea what those streamers coming out of the bright blue star (at about 2 o'clock from IC4812) are?
Thanks a lot Slaw As to the source of the weird star spikes on that star...no idea first time I have seen this strange almost skewed pattern.. I have noticed complex diffraction spikes, of varying appearances, around bright stars with both my FLI cameras and with both my refractors (FSQ and AP152EDF) but not my Newt....strange how it is only that one star in the field too...

Quote:
Originally Posted by DaveNZ View Post
Very cool Big Mike. Nice processing. You didnt blow away the bright glob.

That's a dusty bugger and look at all those stars. Good star shapes right into the corners.

Dave
Thanks a lot Dave, wide dusty fields are good to shoot with this combo

Quote:
Originally Posted by gregbradley View Post
A fabulous vista Mike. A grandious voyage across a dusty plain with some stunning blue highlights.

The star field is also very vibrant.

Greg.
Thanks Greg

Quote:
Originally Posted by clive milne View Post
That's truly incredible Mike... I never thought I would see the day.

Not a single emoticon in your post.


Oh, and yes
that's a pretty good image as well.

best
~c
...............

Quote:
Originally Posted by LewisM View Post
That's kinda NOICE!

Going to have to revisit it again with the FSQ-106 instead of the FSQ-85 like before. Interesting I got the red in the hockey stick swirl whereas yours doesn't show it.
Thanks Lewis, kinda noice I'll take that Not sure about the red

Quote:
Originally Posted by Ryderscope View Post
Thank you for presenting the 'big picture' here Mike. As you say, we are normally focusing on the pointy bit at the end so it is good to see a fine display of the surrounding area.
Love shooting these big dusty nebs, they are so etheral

Quote:
Originally Posted by tornado33 View Post
Seemingly every bit of dust there is clearly shown, so deep indeed, yet nothing is blown out, and the FSQ is so optically perfect, stars right in the corners exactly the same as in the middle not a hint of abberation. A truly stunning picture.
Thanks a lot Scott and yes the FSQ106EDX4 is a remarkable scope for sure...makes my job pretty easy really

Quote:
Originally Posted by Andy01 View Post
Top shelf image again Mike - that shelf must be about to topple over with all the goodies on it now!
Lovely wide vista, pts the objects nicely into context - well done!
Thanks so much Andy, if I wasn't a mosaic-a-phobe...be cool to do one on this area

Quote:
Originally Posted by JA View Post
Looks incredible Mike
Like flying around in outer space !

Best
Ja
Cheers Ja, hope you enjoyed the trip!
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Old 08-08-2018, 04:34 PM
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Quote:
Originally Posted by strongmanmike View Post
Thanks a lot Slaw As to the source of the weird star spikes on that star...no idea first time I have seen this strange almost skewed pattern.. I have noticed complex diffraction spikes, of varying appearances, around bright stars with both my FLI cameras and with both my refractors (FSQ and AP152EDF) but not my Newt....strange how it is only that one star in the field too...
Yes, one star only in the entire image so it did trigger my curiosity. And the spikes are actually very unusual and kind of pretty, so I was allowing a possibility of a nebulosity interfering with the light coming out of this star.

Or perhaps it is the lens-camera combination at some specific angles creating such unique localised patterns.
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Old 08-08-2018, 06:57 PM
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strongmanmike (Michael)
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Quote:
Originally Posted by Slawomir View Post
Yes, one star only in the entire image so it did trigger my curiosity. And the spikes are actually very unusual and kind of pretty, so I was allowing a possibility of a nebulosity interfering with the light coming out of this star.

Or perhaps it is the lens-camera combination at some specific angles creating such unique localised patterns.
Yes it is strange... this shot shows the effect I had noticed on some bright stars (but not all) before but not in all images and only on some bright stars..? It doesn't worry me at all but it is intriguing

Mike
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