“Once believed to be a great swirling nebula, M51 is now known to be the finest example of a face-on spiral galaxy. A near neighbor of our own galaxy, just 15 million light years away, this graceful pinwheel of stars, dust and gas measures about 50,000 light years across and shines with the luminosity of about 10 billion suns.”
Stephen James O’Meara
This was taken through the 11 inch Celestron Edge HD at F7 and binned 4×4. Twenty 200 second images were taken with LRGB filters and stacked. The camera was a QSI 583wsg. The image was processed in Maxim DL and Photoshop.