Archive for dusk

Orion in Spring

Posted in Astrophotography with tags , , , , , , , , on 2009/04/28 by computerphysicslab

Orion constellation may be difficult to sight in Spring due to its low altitude near the bright west horizon at dusk. Nevertheless I took one subframe of 8 seconds of exposition under ISO-400 applying my new Canon EOS 450d plus 18-55mm lens.

With Paint Shop Pro I subtracted the background gradient due to dusk light. There is visible a pine branch below.

Orion Constellation and pine tree

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