Centaurus A Extreme Deep Field - 120 Hours
http://www.rolfolsenastrophotography.com
Copyright: Rolf Wahl Olsen

Over the past few months I have been on a mission to achieve a long time dream of mine: Taking a deep sky image with more than 100 hours of exposure.
Now, after having gathered 120 hours of data over 43 different nights in Feb-May 2013, I can present what appears to be the deepest view ever obtained of Centaurus A (NGC 5128).

This image appears to go deeper than the recent ESO release eso1221 (http://www.eso.org/public/news/eso1221/) and so I believe it is likely the deepest view ever obtained of Centaurus A, and also the deepest image ever taken with amateur equipment, showing stars as faint as magnitude 25.45.

I spent around 40 hours processing and analysing the data, with the goal of presenting this majestic Southern galaxy as it has never been seen before - with all the main features showing in one single image, in order to truly get a grasp of what this intriguing object is all about.

Visible are some unique features, some of which have never been imaged before by amateurs:
* Optical counterparts of the radio lobes, including an outer portion of the Northern (bottom) relativistic jet and a faint trace of the otherwise invisible opposite Southern jet.
* Complete shell structure of the extended halo, showing both faint outer shells and bright inner ones.
* 709 of the catalogued globular clusters orbiting the galaxy.
* Integrated Flux Nebulae permeating the entire field of view around the galaxy.

Link to high resolution image (~4MB): http://goo.gl/WOfyz
Link to high resolution image with 709 globular clusters marked (~4MB): http://goo.gl/IO484
Link to comparison of jet details with a 50 hour image from ESO’s La Silla Observatory: http://goo.gl/t1hXS
Link to image of detailed magnitude readings: http://goo.gl/3jkrx
Link to gallery of distant background galaxies in the image: http://goo.gl/Mp5eV
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