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Posts Made By: Kevin Brennan

September 21, 2008 10:09 PM Forum: CCD Imaging and Processing/Solar System

Afocal Moon Image

Posted By Kevin Brennan
Nice shot Steve.

I am intrigued by your stacking powershot images with Registax. How does that work. I have registax, but would know to go about doing anyting other than an AVI, but I have large numbers of identical images that I have taken with my DSLR, looking for the best one. I never thought of stacking them.

Kevin

September 23, 2008 10:29 PM Forum: CCD Imaging and Processing/Solar System

What?? A Sunspot???

Posted By Kevin Brennan
Great image. Sure is good to hear of some sun spot activity. I will have to get a new filter/wedge.

Kevin

September 23, 2008 10:51 PM Forum: CCD Imaging and Processing/Solar System

Jupiter & Moon - Sept. 19 GRS before Meridian X-in

Posted By Kevin Brennan
nice image Jason,

is that a stack or a single image? If a stack, how do you get them into registax? I am moderately familiar with that program but would only know how to do an avi.

Kevin

September 25, 2008 01:52 AM Forum: CCD Imaging and Processing/Solar System

Jupiter, Io, and Europa 9-20-08

Posted By Kevin Brennan
Nice image. I sure now what you mean about the placement of Jupiter in the north. Do you find you need to correct for some dispersion?

Kevin

September 27, 2008 12:26 AM Forum: Digital SLR AstroPhotography

Did you know that...

Posted By Kevin Brennan
I suspected that it and similar angle finders such as Canon, might fit other bodies. It fits, but does it work well as far as achieving focus?

Kevin

September 28, 2008 12:06 AM Forum: Takahashi

TOA-150 on a Losmandy G-11?

Posted By Kevin Brennan
Bill, I had my TOA 130 on a G11, and found that to be marginal for visual, but I might be a bit picky. I don't like the scope to jiggle alot when you touch the focuser and I do high mag double star work. I would supect a 150 would be even worse. I also use 2" nagler EPs quite often. I had to use two couterweights on my G11 to balance the load of the 130, so I surmise you would have to use 3 for the 150. I put it on an NJP. Rock solid.

Kevin

September 30, 2008 02:31 AM Forum: CCD Imaging and Processing/Solar System

Terminator: Copernicus to Pitatus

Posted By Kevin Brennan
Pretty cool Stefan. Thanks for posting it.

Kevin

September 30, 2008 02:32 AM Forum: CCD Imaging and Processing/Solar System

Jupiter Sept 20

Posted By Kevin Brennan
Great image Paul. Trying to recall if that's the same night I was observing a GRS. Unfortunately, looks like rain for awhile. The proverbial payback.

Kevin

September 30, 2008 02:39 AM Forum: CCD Imaging and Processing/Deep Sky

ITSY BITSY CHIP, large FOV?

Posted By Kevin Brennan
I say, that is a huge FOV! Quite a bit of nebulosity around that area that you can see. Don't consider my thoughts too deeply as I am not real versed, but I wonder if a minus violet/uv cut type filter on front of cameral lens would control bloat to allow for more aperture or even make stars sharper at current aperture. How about a Halpha filter? that would surely tighten stars.

Kevin

October 3, 2008 12:38 AM Forum: CCD Imaging and Processing/Deep Sky

M45

Posted By Kevin Brennan
Stunning image Greg. Very sharp stars.

Kevin

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