M51 Whirlpool Galaxy from Tierra Del Sol
Image Location and Date: SDAA site at Tierra Del Sol on February 13th
Object: M51 Galaxy in Ursa Major
Mount: CG5GT
Imaging scope: Omni XLT 150 Newtonian
Imaging FL: 750mm
Imaging focal ratio: f5
Imaging camera: unmodified Nikon D60
Lights: 10 x 180 sec ISO 3200 (30min)
Calibration: None
Guide scope: Antares 8×50mm finder with Orion StarShoot Auto Guider
Other details: guided with PHD, stacked in DSS processed in Photoshop