Geckzilla.com - Art by Judy Schmidt
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IC 4593 (2013)

Finally, I found a planetary nebula that also has some data for the faint halo surrounding it. A lot of planetary nebulas have these but images of them tend to only show the brightest parts while omitting the halo. (Note that’s not a covert criticism, to that particular image. I only linked to it as an example.)

Red: hst_11093_02_wfpc2_f658n_pc_sci
Green: hst_11093_02_wfpc2_f656n_pc_sci
Blue: hst_11093_02_wfpc2_f502n_pc_sci
Halo luminosity: hst_06347_20_wfpc2_f656n_wf_sci

North is up.

Copyright information:
Hubble data is public domain, but I put a lot of work into combining it into beautiful color images. The minimal credit line should read: NASA / ESA / J. Schmidt

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This work is licensed under a Creative Commons Attribution 3.0 Unported License.