NGC 604 Nebula Located Within M33 in HOO (Douglas J Struble)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 143 · NGC 604

NGC 604 Nebula Located Within M33 in HOO, Douglas J Struble

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NGC 604 Nebula Located Within M33 in HOO

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NGC 604 Nebula Located Within M33 in HOO

This has been something I have been wanting to try for a long time; capturing and isolating a nebula within another galaxy. NGC 604 is rather huge compared to M33, but still rather small to resolve the fine details. It was a major challenge. The data consists mainly of Ha and OIII with the addition of RGB stars. I drizzled the data this time, so you will notice my normal image scale of 0.68"/pixel being cut in half. I processed the whole region like this, so there will be some more interesting images to come; especially some massive OIII regions I have never seen before.

NGC 604 is a star forming region where some 200 hot, young, massive stars reside. It was discovered by William Herschel on September 11, 1784. It is among the largest H II regions in the Local Group of galaxies; at the galaxy's estimated distance of 2.7 million light-years, its longest diameter is roughly 1,520 light years (~460 parsecs) (14.38031 exameters), over 40 times the size of the visible portion of the Orion Nebula. It is over 6,300 times more luminous than the Orion Nebula, and if it were at the same distance it would outshine Venus. Its gas is ionized by a cluster of massive stars at its center with 200 stars of spectral type O and WR, a mass of 105 solar masses, and an age of 3.5 million years; however, unlike the Large Magellanic Cloud's Tarantula Nebula central cluster (R136), NGC 604's one is much less compact and more similar to a large stellar association.

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Status	Basic success
Started	...
Astrometry.net job	4198709
PixInsight job	n/a
PixInsight queue size	n/a
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NGC 604 Nebula Located Within M33 in HOO

NGC 604 Nebula Located Within M33 in HOO

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NGC 604 Nebula Located Within M33 in HOO

NGC 604 Nebula Located Within M33 in HOO

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