Centaurus A with Relativistic Jet (Chris Laurel)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: Centaurus A · HD116324 · HD116466 · NGC 5128 · PGC 158885 · PGC 159057 · PGC 159077 · PGC 183716 · PGC 183755 · PGC 183761 · PGC 46771 · PGC 46790 · PGC 46911 · PGC 47188 · PGC 545953 · PGC 546007 · PGC 547101 · PGC 547473 · PGC 548389 · PGC 548424 · PGC 548504 · PGC 548549 · PGC 548948 · PGC 548964 · PGC 549047 · PGC 550523 · PGC 554223 · PGC 554775 · PGC 555624 · PGC 558581 · And 6 more.

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Centaurus A with Relativistic Jet

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Centaurus A with Relativistic Jet

Is Centaurus A’s jet the most prominent signature of a supermassive black hole anywhere in the night sky? I feel like it might be, but whether or not that’s the case, I really wanted to highlight it in this image of a classic southern hemisphere target. The jet was only very fairly visible in LRGB, so I added a 25 hours of continuum subtracted Ha and OIII data to make it really stand out.

This was my first attempt with continuum subtraction. I found that I got better results when I used master frames generated without PixInsight's LocalNormalization. Not sure if this is a flaw with my process or a known issue. Anyhow, the final image uses masters with LN for the RGB data and without LN for narrowband.

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Description: Rotated 180 degrees to place the jet on top.

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Status	Advanced success
Started	...
Astrometry.net job	9829184
PixInsight job	HJV6EQKL4DP2995DHMPXK1D5ZDIIJFVK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h25m27s.116
RA (top/left)	13h28m12s.330
RA (top/right)	13h28m20s.285
RA (bottom/right)	13h22m46s.140
RA (bottom/left)	13h22m30s.181

Dec (center)	-43°00′40″.84
Dec (top/left)	-43°42′33″.20
Dec (top/right)	-42°20′13″.16
Dec (bottom/right)	-42°18′32″.90
Dec (bottom/left)	-43°40′50″.54

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Centaurus A with Relativistic Jet

Centaurus A with Relativistic Jet

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Centaurus A with Relativistic Jet

Centaurus A with Relativistic Jet

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