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Moon and Venus
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| Mouse-over to see annotations. (Requires Javascript) Click to see high-res version. |
Image Details:
- Camera: Mofidied Canon Rebel XT (350D): Hutech Type I Filter Replacement
- Mount: Celestron AS-GT
- Scope: Orion ED80 (80mm f/7.5 APO Refractor)
- Configuration: Negative Projection (Barlowed)
- Additional Optics: William Optics 2" APO 0.8x Reducer/Field Flattener
- Filter: None
- Effective Focal Length: 480mm
- Effective Focal Ratio: f/6
- Exposure: 62 x 1/1000s @ ISO 100 (Still); 106 x [ibid.] (Animation)
- Total Exposure: 0hrs, 0min
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- Date: 5/19/2007 8:11:11 PM PDT (Start)
- Location: Saratoga, CA, USA
- Acquisition: DSLRfocus
- Focus: DSLRFocus
- Dithering: None
- Guiding: GuideDog via Philips ToUcam Pro II (840k) through Orion ST80 w/ Celestron 2x "Kit" Barlow
Processing:
- IRIS: Dark subtraction, Registration, Stacking, White Balance, Gamma stretch
- JimP: Flat field, Pattern-noise removal
- Photoshop: Sharpening, levels, cropping, JPG conversion
- Mencoder: AVI creation
Image Description:
This is a conjunction of the Moon and Venus, separated by a degree or so during twilight on the night of May 19, 2007. The above (still) image is a stack of 62 exposures.
Far more interesting are the following animations, each consisting of 106 exposures:
- Smaller Animation (1 MB, AVI)
- Larger Animation (2.6 MB, AVI)
A higher resolution image is also available. Zenith is up (north can be seen by mousing-over the image).