James Webb Space Telescope Feed Post

Alex_Woronow | NGC 3132 Planetary Nebula with JWST (2 Filters)

[b]NGC 3132 Planetary Nebula with JWST (2 Filters)[/b]      [b]Target Description:[/b] This planetary nebula has a somewhat hourglass shape due to its two central stars (unresolved here due to the over-exposure of the stars). When one tossed off its outer shell to become a white dwarf, the other star interacted with the radially streaming shell, fashioning its shape. [b]Processing Description:[/b] It took me 4+ hours to figure out how to download the images and which ones to download. Many of the on-line instructions are outdated, and I had not used FTP for image downloads for at least a few years. But eventually, I got the data. Man, was I surprised! The data are a mess. Artifacts rule! I used two images taken with the f470n and f356w IR filters and mapped the one that dominated the planetary nebula floor to the equivalent of OIII and the other to the equivalent of Ha…and processed them as if they were OIII and Ha. I pushed the detail to its limit and probably picked up some of the abundance of the original artifact in the downloaded images—but, alas, así es la vida! BTW, the original images are 2040x2040 pixels. I up-sampled 2x in early in the post-processing. The original pixel resolution is reported as 0.063". =fdk1grnkThe FWHM is reported as " 0.13" @ 4 µm (Nyquist)." Distance: 2000 ly [b]Alex Woronow[/b] Image & Description by Alex_Woronow.