RGB only using f435w (blue) , f555w (green) and f814w (red). initially planned to use f658n (h-alpha) but color balance wasn't cooperating and only intended this to be a fast-ish processing. I still think this looks quite subtly balanced in a good way. The mosaic stitching is not perfect but I will leave it as the Heritage team made it.
NASA APOD description: Big, beautiful, barred spiral galaxy
NGC 1300 lies some 70 million light-years away on the banks of the
constellation Eridanus. This Hubble Space Telescope
composite view of the gorgeous island universe was released at this week's meeting of the American Astronomical Society as one of the
largest Hubble images ever made of a complete galaxy.
NGC 1300 spans over 100,000 light-years and the Hubble image reveals striking details of the galaxy's dominant central bar and majestic spiral arms. In fact, on
close inspection the nucleus of this classic
barred spiral itself shows a remarkable region of
spiral structure about 3,000 light-years across. Unlike other spiral galaxies, including our own Milky Way, NGC 1300 is not presently known to have a massive
central black hole.
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