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Andromeda Nebulae

Started by J.P. McBride, 09/17/2012 12:20AM
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Posted 09/17/2012 12:20AM | Edited 09/17/2012 10:10AM Opening Post
Joe McBride
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Join Date: Jul 2001

Location: Grand Rapids MI, US

Posts: 369

Hi, Here is 84 minutes of data with the 8" f/4 from last night. The evening started out good but the sky got a tad milky as the night went on...then high clouds at daybreak. The ST4 kept losing the guide star occasionally but always recovered it after a cycle or two. At least the CC stayed square with the image plane. These are some of the sharpest stars I have gotten. The camera was a modded Canon XTi working at 800asa. I don't like the f.l. for this object so I will use the 300mm telephoto and crop in next chance I get....or I suppose I could do a mosaic...but that is above my skill level.

Thanks

Joe

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J.P. McBride's attachment for post 56276
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Posted 09/17/2012 04:11AM #1
Joseph Babendreier
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Join Date: Dec 2010

Location: Washington DC, US

Posts: 152

Nothing less than amazing to me that you can get this kind of detail with a 8" mirror on a dobsonian.

Clears,
Joe

PS I know nothing about astrophotography, except that it is difficult to do.
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In lumine tuo videbimus lumen.

8O Home-made 10” Dob / Home-made 4” refractor

EPs: Konig 32mm (1.25") / Zhumell WF 30mm (2") / Nagler 13mm T1 / Orion Sirius Plossls 25 & 10mm / Zhumell Plossl 9 mm / Meade MA 9mm
Posted 09/17/2012 11:31PM #2
Martin Willes
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Join Date: Aug 2002

Location: North Myrtle Beach SC, US

Posts: 124

Sure looks like the Andromeda Galaxy :-)
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"In the beginner's mind there are many possibilities, but in the expert's there are few." Shunryu Suzuki[COLOR="Blue"][/COLOR]
Posted 09/18/2012 08:28PM #3
Tyler Allred
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Join Date: May 2003

Location: Tremonton UT, US

Posts: 2755

Very nice work Joe... and a difficult result to obtain with your setup... congrats!
Cheers,
Tyler
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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 09/19/2012 02:11AM #4
Dave Erickson
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Location: Beaumont CA, US

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Hi Joe, Nice work...
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