Whirlpool Galaxy - M51 (NGC 5194)
Distance: 15 million light years.
Film: Un-hypered Kodak PPF 400 print.
Lens: 155mm f/7 AP scope.
Exposure: 45 minutes using ST-4 autoguider (each negative).
This is the Whirlpool galaxy with its companion NGC 5196. Note the spiral
structure. This is a combination (in Photoshop) of two 45 minute exposures.
Image scanned from negative.