Does anyone have any experience with the Meade 616 Color Filter Wheel pinouts. I would like to use this CFW with one of the small video cameras like the...
Have a couple questions for the group regarding the Lumicon Swan band filter. I have been trying to get my hands on one for quite awhile. Is there any other...
Dear all, some body told me like that " the average filter or Gaussian filter is called low pass filter that can blur the image and the sharpness effect is...
... pass ... same ... related ... the ... Hello, blurring filters: * Gaussian (aplies a gaussian bell shaped curve, just like out of focus imaging) * Average...
... Hi Kevin, I actually think Lumicon was the only one with a swan band concept. But what is your exact intention? There are very fine options out there. Here...
That would actually be a great comparison, as I have the IDAS, and am always interested in the best results. Also, perhaps I have all I need with regards to...
Hi all, Well I just joined this group, and maybe Kevin is right about this group being quiet, but it didn't scare me, here I am ! ;-) I don't know anything...
Hi Pierre, A lot of the larger companies have the curves on their web sites. As try: http://www.astronomik.com/english/enghome.html http://www.fli-cam.com/ ...
Hi Mark, One problem.... Hutech doesn't sell the Type II or III filters anymore. They sell a type "z". Many people use the SBIG/Schuler filters and they get...
Hello John, thanks for the feedback. While lurking I did come to know that IDAS had changed their line. I have a used set available. The sbig set would be new...
There are some posted in the files section of this group for schuler, and maybe astronomic, I forget, but also Don Goldman has some posted on his website at...
Mark, Cannot speak of the SBIG filters, but have used Hutech, Schuler, and Astronomik, and I think the latter were the best for me and recieve very high...
Kevin, Thanks for the info. BTW, I never said I was imaging up here in the frozen North. Might be true, wild and free, as our national anthem goes on saying,...
Hi folks, RGB imaging of planetarys ist difficult because the OIII line. I use the IDAS filter and the OIII line is very bluish on pure RGB-composits. Here is...
... 291002.html That's a nicely executed image, Stephan. It does look like the color balance is a tiny bit off: the background looks a bit brown on my display,...
... CCDs like it cold. Laptops have a problem with it though. A friend in the Montreal area told me his outdoor temp was something like -26F a couple of days...
Yes, I own Hutech/IDAS Type III filters that they apparently have pulled from the market, along with their Type IIs. From my RGB Weight Calculator, the...
Don, I just ordered my Idas RGB set (the day before I read your message). Hopefully due to the relative low blue response of my ST-7 (not ST-7E) the blue won't...
... 7 ... Mark, This is a bit confusing, but it appears that IDAS/Hutech has replaced its Type II, which was designed for refractors with a very steep UV ...
... 7 ... Mark, This is a bit confusing, but it appears that IDAS/Hutech has replaced its Type II, which was designed for refractors with a very steep UV ...
À cause d'un problème informatique, j'ai perdu les éventuels courriels (e-mails) que j'ai reçu de cette liste au cours de trois derniers jours. Quelqu'un...
I wanted to highlight what I suspected would be hydrogen-rich emission nebulae in M81. So I shot the galaxy in the HaGB I began in June of 2002. The effect is...
http://www.rdcrisp.darkhorizons.org/ST10XE_first_light_page.htm There are some interesting images in here. This object GUM-1 is quite interesting and warrants...
Cool image and great idea. Kevin http://astronomy.darkhorizons.org ... in ... up. ... http://www.rdcrisp.darkhorizons.org/m81_with_extra_galactic_hydrogen_ p ...
Help! Hong Kong terrorist kill the Hong Kong peoples, please email the world. Dear internet friend : Help! Hong Kong police use brain voice read / write...
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