M51 (The Whirlpool Galaxy)
By Andrew Clegg

Subject: M51
Telescope: Meade ED152
Camera: Canon Digital Rebel XT (unmodified)
Optical Path: Prime Focus
Focal Length: 1370 mm
Focal Ratio: f/9
Exposure: 4 x 30 sec
ISO: 1600
Guiding: Unguided