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  #1  
Old 16-09-2018, 08:51 PM
furgle (Adam)
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Location: Brisbane
Posts: 144
Arp 93 Colliding Galaxies NGC7284 and NGC7285

Image:

  • 74x 400s luminance
  • 14x 150s red
  • 22x 150s green
  • 20x 150s blue
Total integration 8 hours 30 minutes.
Better resolution here


Hardware:


  • Celestron 11" EdgeHD
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik luminance, deep sky RGB filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Starlight Xpress Active Optics
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II
Location:

  • Orange zone in Brisbane, Australia. (Bortle 7)
  • Imaged over 3 nights. New Moon.
Software:

  • Planning & camera alignment with Aladin 10
  • Captured with TheSkyX Professional
  • Guiding with PHD2
  • FocusLock live focusing
  • PixInsight: Calibrate, align, stack, crop, dynamic background extraction, color calibration, light deconvolution, reduce noise, LRGB combination, background neutralization, SCNR green, histogram stretch, curves.
Attached Thumbnails
Click for full-size image (NGC7284 IIS thumbnail.jpg)
44.6 KB59 views
Click for full-size image (NGC7284 IIS.jpg)
158.8 KB42 views
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  #2  
Old 16-09-2018, 10:29 PM
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strongmanmike (Michael)
Highest Observatory in Oz

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Nice shot of a really fascinating pair of colliding galaxies Adam, they are doing a close tango for sure! I shot them exactly a year ago myself, good to see them being hit by other imagers, they deserve the attention

Mike
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  #3  
Old 17-09-2018, 07:30 AM
Placidus (Mike and Trish)
Narrowing the band

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Mike: So impressive. Love the faint swirly extensions which you have shown go out a long way.

Trish: Inspiring. We've got to do this as soon as possible.
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  #4  
Old 17-09-2018, 06:46 PM
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Atmos (Colin)
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That's an interesting interacting pair Adam, very well done under the light polluted suburbs
I love the fainter tidal streams that can be seen above the interacting pair.
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  #5  
Old 17-09-2018, 07:31 PM
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alpal
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Hi Adam,
well done - I can't find any better pictures using Google
but maybe there's something I haven't found?

It makes we wish that there were a dozen Hubble telescopes
so that we could all get a closer look at these remarkable objects.
Certainly if imagers like M&T had a go they'd end up
with the best picture ever taken.



cheers
Allan
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  #6  
Old 18-09-2018, 02:35 AM
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cometcatcher (Kevin)
<--- Comet Hale-Bopp

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What an amazing image Adam!
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  #7  
Old 18-09-2018, 06:54 AM
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Geoff45 (Geoff)
PI rules

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Nice one Adam. The Arp objects are a mine of interesting stuff.
Geoff
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  #8  
Old 18-09-2018, 08:21 AM
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Ryderscope (Rodney)
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Stunning and a lovely fit for the field of the C11. I like the swirling extension around the galaxy and all the background companions.
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  #9  
Old 18-09-2018, 04:01 PM
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Paul Haese
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Adam, on my monitor I can see a huge tidal area of dust and stars north of the pair. That is another cool galaxy imaging target. Well done.
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  #10  
Old 18-09-2018, 04:15 PM
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alpal
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Quote:
Originally Posted by alpal View Post
Hi Adam,
well done - I can't find any better pictures using Google
but maybe there's something I haven't found?

It makes we wish that there were a dozen Hubble telescopes
so that we could all get a closer look at these remarkable objects.
Certainly if imagers like M&T had a go they'd end up
with the best picture ever taken.

cheers
Allan

I made a mistake.
Google let me down & so did here:
http://cseligman.com/text/atlas/ngc72a.htm#7285


There is a close up pic from CHART 32 here:
http://www.chart32.de/images/phocaga...es/ngc7285.jpg




cheers
Allan
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  #11  
Old 18-09-2018, 05:35 PM
markas (Mark)
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Posts: 461
Very fine rendition of an interesting target.


Mark
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  #12  
Old 18-09-2018, 07:27 PM
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codemonkey (Lee)
Lee "Wormsy" Borsboom

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Awesome shot, Adam. Haven't seen these before. Lovely field with some very cool background fuzzies. Thanks for sharing!
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