Mercury Transit Across the Sun
November 8, 2006
Tucson, AZ
Tele Vue NP-127 with Coronado SolarMax 90, 2X TeleVue PowerMate, and Canon 20Da at Prime Focus
Here is an image of Mercury's transit across the Sun in hydrogen-alpha (0.7Å) taken at approximately 2258UT. Move your cursor over the image for a legend of some of the objects in this shot.
Camera settings for this image: 1/80s at ISO 100, with spot metering. The Tele Vue NP-127 has a focal length of 660mm and an aperture of 127mm (f/5.2); the 2x Powermate produced an effective focal length of 1,320mm. The image is cropped to about 70% of the original frame.
