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Old 26-11-2014, 10:27 PM
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marc4darkskies (Marcus)
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Ngc 1365

This is only a quick & dirty processing of the first 3 hours of Luminance taken on a warm night (CCD @ -15C). Seeing was pretty good. Another 3 hours is needed to crisp up the the detail and to minimize the need for noise control.

Hopefully this Friday for some more Lum and to start the RGB - fingers crossed! In any case, the OS RC360 seems to be delivering the goods !!

Full Res Full Frame:
http://www.pbase.com/gailmarc/image/158354874/original

Cheers, Marcus

PS: Please, no comments about noise, mega data or viewing at 67%
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  #2  
Old 26-11-2014, 11:03 PM
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strongmanmike (Michael)
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Quote:
Originally Posted by marc4darkskies View Post
This is only a quick & dirty processing of the first 3 hours of Luminance taken on a warm night (CCD @ -15C). Seeing was pretty good. Another 3 hours is needed to crisp up the the detail and to minimize the need for noise control.

Hopefully this Friday for some more Lum and to start the RGB - fingers crossed! In any case, the OS RC360 seems to be delivering the goods !!

Full Res Full Frame:
http://www.pbase.com/gailmarc/image/158354874/original

Cheers, Marcus

PS: Please, no comments about noise, mega data or viewing at 67%

Weeell I waaas going to saaaay... I can see some noise (well a lot of noise actually) and you need perhaps another 12 or 30hrs and yeees it does look good at 67% and reeeeally good at 33%....buuuut I wont, promise!

He, he, you asked for that naaah, early days I can tell but t'is lookin purdy good Marcus, bout what I was expecting from your big bad Italian boy

You are a bit of a master at using that dreaded decon that almost everyone else struggles with (including me)....must get some lessons from you some time!

Mike
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  #3  
Old 26-11-2014, 11:04 PM
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Wonderful Marcus !!

All the best,
Leo
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  #4  
Old 26-11-2014, 11:29 PM
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OK.

You get the Oscar for NGC 1365

Suffice to say: galaxies like focal length and aperture.


but
67%?
what were you thinking????
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  #5  
Old 27-11-2014, 12:48 AM
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A fabulous image Marcus but have to mention a lot of the stars look elongated and eggy. Some look very round and some look like the halo is eggy but the core is less so. What is causing that?

Greg.
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  #6  
Old 27-11-2014, 06:38 AM
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Warhen (Warren)
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Wonderful Marcus- one of my very favorite galaxies. Would love to work with f.l. like this! Looks great.
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  #7  
Old 27-11-2014, 07:09 AM
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Great stuff, Marcus. Hurry up with the colour version
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  #8  
Old 27-11-2014, 08:03 AM
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Looks good so far and I look forward to seeing more of it in the future.
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  #9  
Old 27-11-2014, 08:32 AM
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Terrific details in the core and dust lanes. Very cool. Final is gonna be epic.
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Old 27-11-2014, 09:44 AM
Stevec35 (Steve)
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Looks good Marcus. The detail in the centre is incredible.

Cheers

Steve
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  #11  
Old 27-11-2014, 12:56 PM
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marc4darkskies (Marcus)
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Quote:
Originally Posted by strongmanmike View Post
..
He, he, you asked for that naaah, early days I can tell but t'is lookin purdy good Marcus, bout what I was expecting from your big bad Italian boy

You are a bit of a master at using that dreaded decon that almost everyone else struggles with (including me)....must get some lessons from you some time!

Mike
Thanks Mike. Here is lesson number 1. Light decon only especially if applying to the whole frame. It is quite simple really - too many people go too hard from the get-go but if your optics and seeing are both good, things really only need to be "crisped up". Lesson 2: Selectively layer increasingly heavy decon levels onto high signal areas only - carefully. I haven't done MSDLB (Multistrength decon layer blending) lately but I know it works. I tend to use PS sharpening routines on high signal areas these days - again, very gently.

Quote:
Originally Posted by Leonardo70 View Post
Wonderful Marcus !!

All the best,
Leo
Thank you Leo

Quote:
Originally Posted by Peter Ward View Post
OK.

You get the Oscar for NGC 1365

Suffice to say: galaxies like focal length and aperture.


but
67%?
what were you thinking????
Cheers Peter - Me? 67%? Never!!! When you get that new 16" Alluna I'll ask, nay, I'll demand that you post full res images!!

Quote:
Originally Posted by gregbradley View Post
A fabulous image Marcus but have to mention a lot of the stars look elongated and eggy. Some look very round and some look like the halo is eggy but the core is less so. What is causing that?

Greg.
Thanks Greg. I'm not sure where you're looking but bear in mind this is indeed a quick & dirty that will be discarded when I get more data. I just wanted to see (and show off) the detail I'm achieving with this wonderful scope. Dare I say, I'll leave the 300% star roundness check until I'm doing the final processing on a full set of data! That said there may be stacking issues or faulty / overdone processing steps in play here. I've also noticed minor imaging train flexure issues after crossing the meridian that are just enough to cause sub pixel stacking problems which manifest as elongation in the combined image. That's one of the reasons I bought PI - to use it's star stacking capabilities to remove slight mismatches with deformation (not used in this quick process - I just used vanila CCDStack)

Quote:
Originally Posted by Warhen View Post
Wonderful Marcus- one of my very favorite galaxies. Would love to work with f.l. like this! Looks great.
Cheers Warren! All hail focal length!

Quote:
Originally Posted by RickS View Post
Great stuff, Marcus. Hurry up with the colour version
Thanks Rick! I will sacrifice a chicken to the weather gods tonight

Quote:
Originally Posted by lazjen View Post
Looks good so far and I look forward to seeing more of it in the future.
Thanks Chris - me too!

Quote:
Originally Posted by multiweb View Post
Terrific details in the core and dust lanes. Very cool. Final is gonna be epic.
Thanks Marc! I'll try not to dissappoint!

Quote:
Originally Posted by Stevec35 View Post
Looks good Marcus. The detail in the centre is incredible.

Cheers

Steve
Cheers Steve! I've compared to a couple of benchmarks (Gendler and Pugh) and I'm still grinning! Just too much noise at the moment.
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  #12  
Old 27-11-2014, 04:27 PM
stevous67 (Steve M)
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Quote:
Originally Posted by marc4darkskies View Post
Please, no comments about noise, mega data or viewing at 67%
Hallelujah!

Nice start Markus.

Steve
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  #13  
Old 27-11-2014, 08:19 PM
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Geoff45 (Geoff)
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Even in B&W this looks stunning Marcus--so much detail in the central parts.
Geoff
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  #14  
Old 27-11-2014, 09:14 PM
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marc4darkskies (Marcus)
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Quote:
Originally Posted by stevous67 View Post
Hallelujah!

Nice start Markus.

Steve
Thanks Steve!

Quote:
Originally Posted by ghsmith45 View Post
Even in B&W this looks stunning Marcus--so much detail in the central parts.
Geoff
Thanks a lot Geoff!
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  #15  
Old 27-11-2014, 09:42 PM
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Yup, I can see why you are grinning like the proverbial Cheshire cat.

Detail is great for a quick and dirty. Top job
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  #16  
Old 28-11-2014, 12:24 PM
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Thanks Greg. I'm not sure where you're looking but bear in mind this is indeed a quick & dirty that will be discarded when I get more data. I just wanted to see (and show off) the detail I'm achieving with this wonderful scope. Dare I say, I'll leave the 300% star roundness check until I'm doing the final processing on a full set of data! That said there may be stacking issues or faulty / overdone processing steps in play here. I've also noticed minor imaging train flexure issues after crossing the meridian that are just enough to cause sub pixel stacking problems which manifest as elongation in the combined image. That's one of the reasons I bought PI - to use it's star stacking capabilities to remove slight mismatches with deformation (not used in this quick process - I just used vanila CCDStack)


That makes sense. Sounds like you're on to it. Detail is fantastic.

Greg.
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  #17  
Old 28-11-2014, 01:31 PM
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marc4darkskies (Marcus)
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Quote:
Originally Posted by DJT View Post
Yup, I can see why you are grinning like the proverbial Cheshire cat.

Detail is great for a quick and dirty. Top job
Thanks David!

Quote:
Originally Posted by gregbradley View Post
That makes sense. Sounds like you're on to it. Detail is fantastic.

Greg.
Thanks again Greg!

And don't forget Peter Ward's famous admonishment " ... Even Cindy Crawford has a mole". As long as we're not talking about THE Mole (love that scene), it's somthing I try to remember when critiquing images
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Old 28-11-2014, 03:01 PM
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Hi Marcus,
that's fantastic - I want to see more!
Thanks for the preview.

cheers
Allan
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  #19  
Old 29-11-2014, 12:32 AM
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marc4darkskies (Marcus)
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Hi Marcus,
that's fantastic - I want to see more!
Thanks for the preview.

cheers
Allan
Thanks a lot Allan! Stayed up tonight till after moonset hoping it would stay clear ... no such luck. That's it for this lunar cycle I think.
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  #20  
Old 29-11-2014, 06:27 AM
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And don't forget Peter Ward's famous admonishment " ... Even Cindy Crawford has a mole". As long as we're not talking about THE Mole (love that scene), it's somthing I try to remember when critiquing images [/QUOTE]


Yes, too true! Looking forward to the completion of your image. I see the 11000 chip is still a leading CCD sensor for astrophotography. I am looking at getting another one at some point.

Greg.
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