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Lawrence Parchman

Sculptor Galaxy (NGC 253)

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Posts Made By: Gianluca Valentini

September 30, 2003 01:39 PM Forum: CCD Imaging and Processing/Solar System

Parallel emulation using USB

Posted By Gianluca Valentini
Hello Mike,

sorry I can't help you with all your question, but I'll tell lyou what I know for sure because I've tried a USB to Serial port replicator and it works fine. I mean that you can get all the functions working. Alas I also don't know about the downloading speed as I use the USB to serial for my focuser and for my scope control and it is hard to appreciate if there is a change of speed in these 2 functions. USB to parallel I really wouldn't know anyhting about, but I guess that if it works fine with the serial port, it should do the same with the parallel.

Sorry I could not be of any more help.

Ciao
Luca

October 16, 2003 04:50 PM Forum: CCD Imaging and Processing/Solar System

Saturn Finally

Posted By Gianluca Valentini
All has been said about your return and the image, but I will add my unoriginal comment anyway: welcome back and great image!

Luca

December 5, 2003 09:37 AM Forum: CCD Imaging and Processing/Solar System

M42

Posted By Gianluca Valentini
Great shot Mark! I was thinking about the same technique to bring out the core which is always "burnt" in most of the pictures of M42. Would you tell me what equipment you used and, most important, which paramenters did you use for the different pictures of the core and the outer nebula. I am a novice and I have never shot a nebula before: M42 is among my targets as soon as the weather clears over here (Italy), alhtough it doesn't seem like it's gonna be anytime soon.

Ciao Mark and again congratulation on a great shot.

Luca

December 16, 2003 11:48 PM Forum: CCD Imaging and Processing/Solar System

Saturn with QC Pro 4000 and ToUcam Pro

Posted By Gianluca Valentini
Hello everybody,

well assuming the focus was just as good for both images, I do agree that the QC colors look more realistic, but the Toucam image is much more detailed. Furthermore there's 100 less images stacked in the Toucam's image.
So, even if I do respect Mark's 30+ years of experience, I cannot agree: in my experience colors can be adjusted, image quality can't.
I repeat: all this holds true if the assumption of equivalent focus quality is true.

However, thanks to Chote for posting these images and giving us the opportunity to see the results of this test.

Ciao
Luca

December 20, 2003 11:29 PM Forum: CCD Imaging and Processing/Solar System

Flaming Star HaRGB

Posted By Gianluca Valentini
Very beautiful shot Mark. Thanks for posting it.

Luca

December 21, 2003 10:41 PM Forum: CCD Imaging and Processing/Solar System

Wide-field M42

Posted By Gianluca Valentini
Beatiful image Jeff. I'm a bit envious as I tried the same thing last night but without a mount only a tripod. I set out to take 30/40 2 second shots, but after the first 5 or so I put back my glasses to notice that clouds in the meanwhile have got in the way. It only got worse after that and it is indeed raining (again) today!

Congratulations again!

Ciao
Luca

December 22, 2003 02:09 PM Forum: CCD Imaging and Processing/Solar System

Pleiades snapshot

Posted By Gianluca Valentini
Hello Brian, nice image: what F ratio did you use? Can you tell us something more about the set up that caught this image?

Thanks
Luca

December 23, 2003 11:11 AM Forum: CCD Imaging and Processing/Solar System

M1 crab nebula

Posted By Gianluca Valentini
Great image Stefano! Considering the usual seeing conditions around here, the result is even more appreciable.
Will you give us color in the near future?
I apologize with the rest of the participants, but let me add a bit in Italian: this is the first Italian imaging team I meet on these pages.

Bellissima Stefano! Certo che lavorando con un imaging team ci si aspettano grandi risultati! le condizioni di visibiltà in generale qui a Rimini sono credo perfino peggiori di quelle che si possono avere nell'entroterra. Avete fatto la foto proprio da Firenze città?

Ciao
Gianluca

December 23, 2003 11:19 AM Forum: CCD Imaging and Processing/Solar System

First Saturn

Posted By Gianluca Valentini
Very complicated procedure, but eventually a good result!

Congratulations and keep them coming.

Ciao
Luca

December 23, 2003 11:21 AM Forum: CCD Imaging and Processing/Solar System

M74

Posted By Gianluca Valentini
Very nice details in the arms Stefano. Another very good job.

Luca

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