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Posts Made By: Brian Maynard

November 8, 2008 08:45 PM Forum: CCD Imaging and Processing/Deep Sky

B33

Posted By Brian Maynard
Caught an opening in the clouds for a few minutes.
DSI pro 3 w/tv76 6x15min subs

January 9, 2003 09:02 PM Forum: CCD Imaging and Processing/Solar System

Guidescope? with ccd autoguider

Posted By Brian Maynard
Anthony,

I use a guide scope and autoguider for my 8" SCT. The thing you must keep in mind is the focal length. To take sucessful guided images the guide scope should be at least half the focal length as the scope your taking pictures through. If your trying to photograph at F/10 on your ten inch the focal length is 2500mm, then your guide scope should be at least 1250mm. The FR237 will give you 100mm of focal length,less than 1/10 of the bare minimum, thats not gonna doit for you. I think if your going to use a guide scope, I'd go for something in the 600 to 750mm focal length. They are fairly light weight and you can use a barlow to double the focal length. Don't forget focal reducers for your ten inch for more flexibility.

February 27, 2003 01:22 AM Forum: CCD Imaging and Processing/Solar System

Crab Nebula

Posted By Brian Maynard
Ron,

Beautiful image! I really admire your work and I love your book. The more I learn about CCD imaging the more I wished I should have bought your book first then bought my equipment. Nonetheless I'm going to us my ST5 untill it falls apart. My images need work and I'm wondering when do you know when the color is right? I would also like to see more resolution from my images. Can I do anything more with what I have or do I need to empty the savings account again?

February 27, 2003 01:46 AM Forum: CCD Imaging and Processing/Solar System

Saturn through a webcam

Posted By Brian Maynard
Nice image. I have to agree with Tan, on the color part. I image through a color filter wheel and have to play with the color alot but in this case I think the color is pretty close.

March 5, 2003 01:18 AM Forum: CCD Imaging and Processing/Solar System

NGC4395

Posted By Brian Maynard
Nice image Ron. I'm curious to know just how many CCD cameras do you have?

March 11, 2003 01:23 AM Forum: CCD Imaging and Processing/Solar System

Horsehead

Posted By Brian Maynard
Wow! You really got closeup on that one

March 12, 2003 01:54 AM Forum: CCD Imaging and Processing/Solar System

M63 WSP2003 image

Posted By Brian Maynard
Very nice Mark. Lots of detail within the galaxy too.

March 12, 2003 02:10 AM Forum: CCD Imaging and Processing/Solar System

Jupiter Mar.11.2003

Posted By Brian Maynard
I've seen some amazing planet images with this ToUcam. What is, how much does it cost and where do I get one?

March 23, 2003 12:38 PM Forum: CCD Imaging and Processing/Solar System

Which guidescope to buy?

Posted By Brian Maynard
You can use just about any scope for a guide scope. The key is focal length. Meade recommends that your guide scope focal length is at least half the focal length of the scope your imageing thruogh. Although, as Michel pointed out, you can guide through your finder scope wich the focal length is less than 1/10 of the OTA. SBIG makes a FR237 focal reducer that comes with a 4" long tube that makes a 100mm scope that they say can be used for guiding once attached to a ST5 or simular camera. Bottom line is I don't think you can go wrong with any choice you make.

March 28, 2003 10:45 AM Forum: CCD Imaging and Processing/Solar System

NGC2521

Posted By Brian Maynard
Nice work as usual Ron. Are those indavidual stars near the core or clusters or maybe nebula? The faint dust lane the circle the entire galaxy is really cool too. Beautiful!

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