Iridium and Orion | Francis Dunlop

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Photographer:

Francis Dunlop

Location of Photo:

Calgary AB

Date/Time of photo:

22-Feb-2008 7:49pm MST

Equipment:

Canon XTi, 17mm-55mm f/2.8 EF-S lense at 17mm f/4, tripod mount, ISO 400, 20 second exposure, automatic "dark" subtraction turned off so I could shoot back to back photos without a "Delay" between photos.

Description:

Picture shows Orion (on right), Sirius (bottom) and flare from "Iridium 30" at mag. -2.5. Larger version of flare is inset. I got the timing info from www.calsky.com. A second Iridium (Iridium 94) flared 2 minutes later.