ISS This Morning

dolphin   Earlier this morning the ISS, International Space station, flew over the midwest in a path that lasted 4 minutes and at its peak the ISS reached 85 degrees in altitude – nearly straight up. The path it followed took it from the southwest horizon across the summer triangle past the star Altair in Aquila the Eagle, towards the east northeast horizon.
   I was hoping to catch the ISS as it flew past some interesting groups of stars like the two small constellations of Sagitta the Arrow and Delphinus the Dolphin however the sky was too bright at this early hour for those stars to show up against the brighter background.
   In this sequence of images the sky at 0530 CDT was fairly bright and there were some high cirrus clouds but the ISS was as bright as Venus appears and was very easy to follow with my camera. The images are 2 second time exposures with an aperture setting of f4, and the lens was backed out to 18mm for a wide field of view.

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   Click here to go to the Qué tal in the Current Skies web site for more observing information.

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