Comet Garradd (C/2009 P1)
- Location: Stone Reservoir Campground, Stone, Idaho
- Date: March 4, 2012
- Time: 5:15 – 6:41 AM MST
- Camera: Self Modified 400D, nothing over sensor
- Optics: Canon EF 300mm f/4.0L Non-IS Camera Lens at f/4.0
- Focus Method: Bahtinov Mask
- Mount: Celestron CG-5GT
- Guiding: PHD Polar Aligned & Guiding
- Autoguider: Starlight Xpress CoStar CMOS
- Guidescope: 50 mm Finderscope
- Tracking: Guiding done on comet nucleus
- Exposure: 10 X 8 min (1.33 hours)
- ISO: ISO 800
- Temp: 28 F
- Wind: 1-2 mph
- Stacking: MaxDSLR, MaxIm DL
- Processing: Photoshop