Submit your photo here. Comment or upvote on photo pages. Search via photographers' names. More improvements coming! To help, please donate.
Celestron EdgeHD 9.25" Schmidt-Cassegrain
ZWO ASI294MC Pro cooled camera
Optolong l-eXtreme narrowband dual-pass filter
Stacked and edited entirely in PixInsight
M51 is called the Whirlpool Galaxy because it presents a beautiful view of a grand design spiral galaxy swirling around another galaxy that appears to be attached by a long tendril.