M8 M20 Ha F5.25 TEC180

gregbradley · #1 17-08-2010, 07:50 PM

Here is the test image of this setup.

This is only 6 x 10 minutes at F5.25 on the TEC180?FLI PL16803.

Astrodon 5nm Ha, 50mm square.

http://www.pbase.com/gregbradley/image/127542734

I am very happy with the performance of the reducer. Not many reducers can handle such a large chip and not give coma.

Greg.

Octane (Humayun) · #2 17-08-2010, 07:54 PM

Greg,

You're going to hate me, but, you need to go back and reprocess this one, I think.

Have a very careful look at M20, it is really, really flat -- there should be more contrasty detail, as can be seen in M8.

There's also some weird stuff happening in your midtones.

Let me know what you think?

H

Bassnut (Fred) · #3 17-08-2010, 08:01 PM

Yes, curved to hell, in a hurry?. Coma on a mono image?, wrong worry ;-)

gregbradley · #4 17-08-2010, 08:01 PM

Ok fixed it. I was trying to be too cute with it.

This one I hardly did anything to and looks better.

Greg.

Bassnut (Fred) · #5 17-08-2010, 08:16 PM

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The Image ID specified in the URL does not exist. It was probably deleted, but verify the URL

gregbradley · #6 17-08-2010, 08:43 PM

Quote:

Originally Posted by Bassnut

Bad Image Reference
The Image ID specified in the URL does not exist. It was probably deleted, but verify the URL

I am not sure why that happened but I fixed it a while ago soon as I noticed. It should be working now.

Greg.

multiweb (Marc) · #7 18-08-2010, 08:11 AM

Repro's much better. Always good value in Ha this area.

TrevorW · #8 18-08-2010, 11:05 AM

Appears to me a little on the soft side Greg

gregbradley · #9 18-08-2010, 06:00 PM

Quote:

Originally Posted by multiweb

Repro's much better. Always good value in Ha this area.

Thanks Marc.

Quote:

Originally Posted by TrevorW

Appears to me a little on the soft side Greg

It really is more of test image. I think 2 or 3 hours and it would sing. I have a single 4x4 image that really looks nice but of course 4x4 loses a lot of resolution.