Dust
in the Milkyway:
Horizon
to Horizon
Uploaded 7/19/06
Using a special
processing technique, we have modified the original image, seen
as the center panel such that all of the local stars have been
removed to reveal what lies underneath. Once the multitudes of
countless stars have been peeled away, what we can now see easily
is the huge number of complex and interconnected dark nebula
stretching across the entire sky, with the glow of the Milkyway
galaxy as a backdrop. Numerous small nebula appear as detached
ink drops, while many of the larger nebula take on a very structured
form. While our representation produced here is not perfect,
it suggests a far more complex series of dark structures visible
in the night sky which can be further pursued by astrophotographers
and visual observers alike.
A write up may
follow soon on the unusual path we took in processing this image,
and what we can actually reveal fully with this technique.
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Instrument: Canon 17 - 40mm L @ 17mm stopped to f/4.5
Platform: Robotic Barn Door
Camera: Canon 10D @ ISO800
Exposure: 10m x 4
Filters: UV
Location: Near Winton, Queensland, Australia
Elevation: 700 ft.
Sky: Seeing 9/10, Transparency 10/10
Outside Temperature: 50F
Processing Tools: Photoshop CS, Maxim DL, PixInsight, Pixmantec RAW
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