Celestial hemisphere:  Northern  ·  Constellation: Triangulum (Tri)  ·  Contains:  IC 131  ·  IC 132  ·  IC 133  ·  IC 135  ·  IC 136  ·  IC 137  ·  IC 142  ·  IC 143  ·  M 33  ·  NGC 588  ·  NGC 592  ·  NGC 595  ·  NGC 598  ·  NGC 604  ·  PGC 1928851  ·  PGC 3084774  ·  PGC 3084776  ·  PGC 3084777  ·  PGC 3084782  ·  PGC 3089041  ·  PGC 3095531  ·  Triangulum Galaxy  ·  Triangulum Pinwheel
M33 the Glorious, John Favalessa
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M33 the Glorious

M33 the Glorious, John Favalessa
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M33 the Glorious

Equipment

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Acquisition details

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Description

First galaxy light on the 9.25HD Edge!  This was a test.   Gosh, I forgot my galaxy workflow! (it wasn't that long ago...should I be worried?! ).   The Edge is all I hope for.  The Triangulum Galaxy is BIG!  It is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way.   I didn't get all of it with the ASI2600...really needs a full frame camera like the 6200.  (but my wife would kill me if I bought another camera and then I'd need 50mm filters, ouch!)  I didn't crop the issue at the bottom (frames off a bit after meridian flip) as I wanted to keep NGC588 visible.  Data was over 2 nights from my backyard.  Night 1 was breezy, but for both nights the OAG guiding at best was 0.7 RMS.  

The image is RGB, with just a tad of Ha blended with into the red channel before combination.  After DBE, color processing and convolution, the luminance was added.  Luminance was first deconvoluted and noise reduction.  Further processing with masks and LocalHistogram to bring out the core.  At the end just a slight amount of Topaz noise reduction setting of 3 (out of 100), sharpening of 0, original detail of 10, color noise reduction of 5 applied.  I am definitely looking forward to galaxy season with this amount of focal length.

Comments

Revisions

  • M33 the Glorious, John Favalessa
    Original
  • Final
    M33 the Glorious, John Favalessa
    B

B

Description: Took Scotts suggestion. Used SCNR to remove 80% green and 30% blue. Subjective for sure, but I think B looks more "natural".

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Sky plot

Sky plot

Histogram

M33 the Glorious, John Favalessa