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NGC 6946: A face-on spiral galaxy



A nearby Sc spiral galaxy, NGC 6946 has had the most supernova record of any galaxy in modern times, with 6 in the 20th century.

A combination of 3, 500 s exposures, unguided and unfiltered taken with the SBIG ST-8 imager.

Here is a view of NGC 6946, obtained with our wide-field STL-11000M imager. This image was taken using the Halpha (656 nm) filter on October 5, 2004 by Jean Dougherty and is a combination of 7, 400s exposures.