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Old 16-05-2017, 06:03 AM
topheart
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Whale Galaxy

Hi All,

After recently swimming with a Dolphin, I thought I should try and harpoon a whale.....

https://savannahskies.smugmug.com/Galaxyies/i-hLnwR4Q/A

LRHaGB image taken with the 0.5M Classical Cassegrain + STX16803 with AOX guiding on a ParamountME2 at Savannah Skies.

I still haven't totally sorted out this imaging system completely after having all sorts of software issues with drivers etc.

Thanks,
Tim
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  #2  
Old 16-05-2017, 07:25 AM
Mickoid (Michael)
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Fantastic, nicely processed and I love the colours.
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Old 16-05-2017, 08:15 AM
Martin Pugh
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Excellent result Tim.

I also checked out Savannah Skies: looks like a great spot. Are the 4 domes privately owned?

Cheers
Martin
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Old 16-05-2017, 08:46 AM
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strongmanmike (Michael)
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Lovely result Tim and given it only makes 40deg above your northern horizon at the meridian, you still managed to reveal plenty of detail. Shows the benefit of having your observatory at 17deg South, brings so many northern objects into genuine imaging view while still having good access to our.. faaaar superior southern gems

Mike
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Old 16-05-2017, 09:55 AM
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Lovely colour and detail, Tim! Shame you couldn't include NGC4656. I assume your FOV was too small?
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  #6  
Old 16-05-2017, 09:56 AM
Placidus (Mike and Trish)
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Superb rendition of NGC 4631. Beautiful colour, which I guess is showing there is strong interaction with its companion.
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  #7  
Old 16-05-2017, 11:58 AM
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Hi Tim,
that looks great - so much detail.
I need to check it tonight on my monitor at home.
It maybe a bit over saturated & the background looks too dark on this laptop monitor. ( it's as black as coal )

cheers
Allan
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  #8  
Old 16-05-2017, 12:27 PM
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Superb - those H II regions really pop!
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  #9  
Old 16-05-2017, 03:18 PM
topheart
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Quote:
Originally Posted by Mickoid View Post
Fantastic, nicely processed and I love the colours.
Thanks very much Michael!

Quote:
Originally Posted by Martin Pugh View Post
Excellent result Tim.

I also checked out Savannah Skies: looks like a great spot. Are the 4 domes privately owned?

Cheers
Martin
Hi Martin,
Thanks very much. I own 2 of the 4 four domes, the other two domes and the roll-off roof observatories at our site are owned by my colleague, Joe Brimacombe: https://www.flickr.com/photos/43846774@N02/

Joe and I share the facility and pop out there to tweak and maintain everything ourselves.
Cheers,
Tim

Quote:
Originally Posted by strongmanmike View Post
Lovely result Tim and given it only makes 40deg above your northern horizon at the meridian, you still managed to reveal plenty of detail. Shows the benefit of having your observatory at 17deg South, brings so many northern objects into genuine imaging view while still having good access to our.. faaaar superior southern gems

Mike
Thanks very much Mike....yeah, it is great being able to poke a fair way up north and steal from the northern hemisphere and as well as poke down south when things rotate high enough up around the southern celestial pole....I agree about the southern gems .
Cheers,
Tim


Quote:
Originally Posted by RickS View Post
Lovely colour and detail, Tim! Shame you couldn't include NGC4656. I assume your FOV was too small?
Thanks Rick - I would need a mosaic with my small field of view with this imaging setup or I can use the BRC250 for the hockey stick + whale combo....I have taken a bit of data on the combo with that, but I don't have a complete data set yet.

Quote:
Originally Posted by Placidus View Post
Superb rendition of NGC 4631. Beautiful colour, which I guess is showing there is strong interaction with its companion.
Thanks M+T. Yes the object is very photogenic and I guess it stems form the pull in the middle of the whale from the nearby large galaxy...??
Cheers,
Tim

Quote:
Originally Posted by alpal View Post
Hi Tim,
that looks great - so much detail.
I need to check it tonight on my monitor at home.
It maybe a bit over saturated & the background looks too dark on this laptop monitor. ( it's as black as coal )

cheers
Allan
Thanks Allan!

Quote:
Originally Posted by Retrograde View Post
Superb - those H II regions really pop!
Thanks Pete....yes I was happy with the Ha effect...I just added it into the red channel....

Cheers,
Tim
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  #10  
Old 16-05-2017, 05:50 PM
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Quote:
Originally Posted by alpal View Post
Hi Tim,
that looks great - so much detail.
I need to check it tonight on my monitor at home.
It maybe a bit over saturated & the background looks too dark on this laptop monitor. ( it's as black as coal )

cheers
Allan

Hi Tim,
I just checked it at home.
It's OK - the background is just right.
It's amazing how monitors can be so different.

cheers
Allan
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  #11  
Old 16-05-2017, 07:47 PM
topheart
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Thanks very much Allan - Yep, I've been badly fooled by a non standard monitor before......
Cheers,
Tim
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  #12  
Old 16-05-2017, 08:32 PM
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Quote:
Originally Posted by topheart View Post
Thanks very much Allan - Yep, I've been badly fooled by a non standard monitor before......
Cheers,
Tim
Yes Tim,
it's the old gray-scale problem.
Most people have their monitors too dark to see anything but black on the top line:
http://piezography.com/wp-content/up...grays-crop.jpg

I sometimes adjust for that by using 25 as my lowest black level.

cheers
Allan
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  #13  
Old 16-05-2017, 09:11 PM
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marc4darkskies (Marcus)
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Excellent result Tim! Nice work!
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  #14  
Old 17-05-2017, 09:46 AM
topheart
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Thanks Marcus!
Cheers,
Tim
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  #15  
Old 18-05-2017, 09:34 PM
markas (Mark)
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Intense! Great image Tim.

Mark
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  #16  
Old 21-05-2017, 06:43 AM
topheart
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Thanks very much Mark,
I guess intense is what is happening to the galaxy with the gravitational pulls....!!
Cheers,
Tim
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  #17  
Old 21-05-2017, 07:45 AM
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SimmoW (SIMON)
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That's like an opal gem! Nice one
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  #18  
Old 22-05-2017, 12:31 PM
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That's a beauty Tim. I might have to get out the chainsaw for that one.
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  #19  
Old 22-05-2017, 03:35 PM
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Nice going Tim. It's an odd looking galaxy for sure and does look like a whale. The detailing looks pretty nice and I really like your colouring. Lovely work. Just wish the resolution was larger to go looking into this galaxy.
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  #20  
Old 22-05-2017, 06:32 PM
topheart
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Quote:
Originally Posted by SimmoW View Post
That's like an opal gem! Nice one
Thanks Simon -- yes, I see opal colours too....

Quote:
Originally Posted by cometcatcher View Post
That's a beauty Tim. I might have to get out the chainsaw for that one.
Thanks Kevin....go for it....cut out every pesky tree, let the sky flood over you!!
Cheers,
Tim

Quote:
Originally Posted by Paul Haese View Post
Nice going Tim. It's an odd looking galaxy for sure and does look like a whale. The detailing looks pretty nice and I really like your colouring. Lovely work. Just wish the resolution was larger to go looking into this galaxy.
Thanks very much Paul. Yes, I will have to find a way to upload files to a higher resolution than Smugmug is letting me currently....I haven't been able to sort it out so far.
Cheers,
Tim
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