M101

Started by Jean-Denis, 04/13/2005 09:58PM

Posted 04/13/2005 09:58PM Opening Post

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Join Date: Jan 2005

Location: Charlotte NC, US

Posts: 82

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 ?

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Posted 04/14/2005 02:23AM #1

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Join Date: May 2003

Location: Tremonton UT, US

Posts: 2755

Nice image! I would suggest an Epsilon. Some of the images that I have seen from them are remarkable. 8O

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"The expression of the beautiful is in direct ratio to the power of perception acquired by the artist." (Gustave Courbet)

Posted 04/14/2005 11:00PM #2

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Join Date: Jun 2001

Location: Roscoe IL, US

Posts: 1474

Looks good. I'll have to add this to my "shoot list" with my 6" F5.

Robert W.

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There's no substitute for fine glass!

Posted 04/15/2005 12:42AM #3

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Join Date: Dec 2001

Location: Coconut Creek FL, US

Posts: 4423

Nice wide-field shot Jean!
Thank you for sharing! wink

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Ivan Gastaldo 8)
Coconut Creek, FL

Ivan's Observatory
Lat 26N 16' 48" Long 80W 10' 48"
[COLOR="Red"]Personal Website:[/COLOR] http://www.ivangastaldo.com

CCD Imaging and Processing/Deep Sky - Moderator
I like to complain about everything - Moderator

Posted 04/15/2005 04:55AM #4

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Join Date: Feb 2004

Location: Kurrajong, NSW, AU

Posts: 857

Try a Baader Coma Corrector, they come up on Astromart every now and then.

Greg.

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