Antennae Galaxies (James R Potts)

Celestial hemisphere: Southern · Constellation: Corvus (Crv) · Contains: Antennae · Antennae Galaxies · NGC 4038 · NGC 4039

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Antennae Galaxies

Revision title: Better detail on Galaxy

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Antennae Galaxies

Revision title: Better detail on Galaxy

Here is 3 nights worth of data, around 8 hours of images. This target does not come up until past midnight and never get very high. I tried adding Ha and it didn't really help, I think what I need for this image is just more aperture as this is a pretty small target for a 5" scope. There are 2 other galaxies you can clearly see, PGC37910 (below and to the left), which is a prial galaxy about 79 million light years away and PGC 38087 a spiral galaxy (top left corner) that is 98 million light years away.

This is 2 interacting galaxies (NGC 4038 & 4039) discovered in 1785 and originally thought to be a planetary nebula. These galaxies are about 63 million light years away. It is estimated that the collision of these 2 galaxies happened about 600 million year ago. The ejected stars which create the 2 antennae span around 360,000 light years across.

Original
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B
C

B

Title: Better detail on Galaxy

Description: I re-processed this image with a lot less noise reduction, the background is not as clean, but there is a lot more detail in the Galaxies if you zoom in.

Uploaded: ...

C

Title: Revision two

Description: Sometime less is more. I went back to my combined image in APP and reduced the stretch to 10%. In PS is just did a mild noise reduction and tried to just stretch the galaxies using Color Select.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	5476271
PixInsight job	8CLD7TQ3C1C190UX6KBKYDCS103COJGY
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h01m49s.570
RA (top/left)	12h03m10s.134
RA (top/right)	12h03m42s.127
RA (bottom/right)	12h00m28s.465
RA (bottom/left)	11h59m55s.233

Dec (center)	-18°51′13″.27
Dec (top/left)	-19°25′54″.46
Dec (top/right)	-18°22′00″.66
Dec (bottom/right)	-18°16′27″.78
Dec (bottom/left)	-19°20′20″.32

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Antennae Galaxies

Revision title: Better detail on Galaxy

Antennae Galaxies

Revision title: Better detail on Galaxy

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Antennae Galaxies

Revision title: Better detail on Galaxy

Antennae Galaxies

Revision title: Better detail on Galaxy

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Comments

Revisions

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C

Sky plot

Histogram

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