NGC 1140 With and Without Hα (2013)

NGC 1140 is a dwarf irregular galaxy and is typically ignored in favor of the larger, illustrious galaxies available to gaze upon. After hours of digging through the HLA it managed to catch my attention.

On the left you can see there are a lot of red tendrils visible only in Hα (Hydrogen-alpha) and on the right is a more typical view of a galaxy in wide ultraviolet and infrared filters.

Nerdish technical stuff follows:

Both images use a pseudogreen channel.

Left image:
R - F658N
G - 33% F814W, 33% F658N, 34% F300W
B - F300W

Right image:
R - F814W
G - 50% F814W, 50% F300W
B - F300W

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.