Comet 103P/Hartley 2

Posted by jm-astro
on Sunday, October 17, 2010

Comet Hartley/2 on three consecutive nights in October after passing the double cluster.  The bright star in the center photo is Eta-Persei (Miriam) which is about 1330 light years from Earth.  Processed in Nebulosity and Photofiltre.  Each frame is a series of 28-second exposures with Dark and Flat frames applied.   Total exposure times of 26, 56, and 42 minutes, respectively.

Used a 10" F/4, Meade Schmidt Newtonian on Losmandy G-11.  Cooled Canon 400D DSLR at approximately 25 Deg. F.  5" Refractor guidescope with Orion CCD for Autoguiding.

Higher Resolution Versions Available.

Tags: Comet
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