This one is inside a larger, fainter structure that simply doesn’t show up as far as I can tell in the Hubble data. Even if it is there, it’s cut off a bit in this view. Have a look at this image to see what I mean. The way the fainter shell tapers at one end is strange.
Red: hst_06119_32_wfpc2_f814w_pc_sci
Green: Pseudo
Blue: hst_06119_32_wfpc2_f555w_pc_sci
North is NOT 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
This work is licensed under a Creative Commons Attribution 3.0 Unported License.