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Posts Made By: Jean-Denis Douvier

March 9, 2005 02:41 AM Forum: CCD Imaging and Processing/Deep Sky

Orion nebula

Posted By Jean-Denis Douvier
Hi, this is my first post here. I took the attached picture last sunday March 6 from the Blue Ridge Parkway in North Carolina. I used a Canon 20D at ISO 800, a Canon 200mm 2.8 lens set at f/4 and a Losmandy G-11. The picture is the average of 20 pictures each of 5 minutes of exposure, the trapezium is the average of 5 pictures each of 20 seconds. How do I do now to fight more efficiently the light pollution and get the red nebulosity in this area more apparent ? Thanks. JD

April 13, 2005 09:58 PM Forum: CCD Imaging and Processing/Deep Sky

M101

Posted By Jean-Denis Douvier
Canon 20D at ISO 800, 7 x 3min exposure combined in Photoshop. Orion reflector 800mm f/4 on a Losmandy G11.
I don't like the coma of the stars in the corners, does anyone have a good 800mm f/4 or so reflector (why not refractor after all, but may be more expensive) to suggest ?

November 7, 2005 06:59 PM Forum: Digital SLR AstroPhotography

The Pleiades

Posted By Jean-Denis Douvier
Canon 20D at ISO 1600, Takahashi Epsilon 160 (f/3.3), Losmandy G-11. 15 x 3 minutes from Doughton Park (Blue Ridge Parkway, NC) on 11/02.

November 7, 2005 07:00 PM Forum: Digital SLR AstroPhotography

Andromeda

Posted By Jean-Denis Douvier
Canon 20D at ISO 1600, Takahashi Epsilon 160 (f/3.3), Losmandy G-11. 12 x 3 minutes from Doughton Park (Blue Ridge Parkway, NC) on 11/02.

November 7, 2005 07:00 PM Forum: Digital SLR AstroPhotography

Orion

Posted By Jean-Denis Douvier
Canon 20D at ISO 1600, Takahashi Epsilon 160 (f/3.3), Losmandy G-11. 12 x 3 minutes from Doughton Park (Blue Ridge Parkway, NC) on 11/02.

November 7, 2005 07:01 PM Forum: Digital SLR AstroPhotography

Horsehead

Posted By Jean-Denis Douvier
Canon 20D at ISO 1600, Takahashi Epsilon 160 (f/3.3), Losmandy G-11. 12 x 3 minutes from Doughton Park (Blue Ridge Parkway, NC) on 11/02.

December 3, 2005 10:29 PM Forum: Digital SLR AstroPhotography

Rosette

Posted By Jean-Denis Douvier
Losmandy G-11, Takahashi E160 f/3.3, Canon 20D ISO 1600 Hutech pollution filter, Wed 11/30 from the Blue Ridge Parkway (same overlook parking lot with Dan and Ivan). 28 x 3 minutes for 1h24min of exposition.

December 3, 2005 10:30 PM Forum: Digital SLR AstroPhotography

M33

Posted By Jean-Denis Douvier
Losmandy G-11, Takahashi E160 f/3.3, Canon 20D ISO 1600 Hutech pollution filter, Wed 11/30 from the Blue Ridge Parkway. 11 x 3 minutes for 33min of exposure.

December 3, 2005 10:32 PM Forum: Digital SLR AstroPhotography

IC405

Posted By Jean-Denis Douvier
Losmandy G-11, Takahashi E160 f/3.3, Canon 20D ISO 1600 Hutech pollution filter. Wed 11/30 from the Blue Ridge Parkway. 12 x 3 minutes for 36min of exposure.

December 3, 2005 10:33 PM Forum: Digital SLR AstroPhotography

IC443

Posted By Jean-Denis Douvier
Losmandy G-11, Takahashi E160 f/3.3, Canon 20D ISO 1600 Hutech pollution filter, Wed 11/30 from the Blue Ridge Parkway. 16 x 3 minutes for 48min of exposure. This nebula is faint ! The Canon can barely get it...

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