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Al McAdam
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  • Newmarket
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Greg Marshall commented on Al McAdam's blog post CMOS vs CCD
"Well, the thing that most people focus on is the pixel count, but more important than that is the pixel SIZE. Not only is the pixel size closely related to sensitivity and signal to noise ratio, it should also be considered in comparison to the spot…"
Sep 16, 2012
Eric Hughes commented on Al McAdam's blog post CMOS vs CCD
"Other than noise levels and dynamic range, are there any other chief "stats" that I should be aware of when buying a camera (CCD or CMOS)?"
Sep 16, 2012
Al McAdam commented on Neil Heacock's photo
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Barnard 175 and DeHt5

"Neil, Someday I would like to come close to what you do, the images are great. I am just starting after 3 years of fumbling. I would like to ask about the support files: Do you take the flats at a reduced iso say 100 or 200? How long would you take…"
Mar 8, 2012
Greg Marshall commented on Al McAdam's blog post CMOS vs CCD
">Is any company making a CMOS for astrophotography? Most of the low-end cameras are CMOS. That is, the lunar/planetary cameras and some of the guide cameras, such as Orion's SSAG. Except for the Canon 20Da, no DSLR is designed specifically…"
Jun 5, 2011
Charles Dunlop commented on Al McAdam's blog post CMOS vs CCD
"Is any company making a CMOS for astrophotography?"
Jun 5, 2011
Greg Marshall commented on Al McAdam's blog post CMOS vs CCD
"It used to be true that CMOS sensors were inferior to CCDs in image quality. For conventional use, I don't think there's much truth in that anymore because CMOS sensors have evolved to make use of their big advantage: They can have image…"
Jun 2, 2011
Al McAdam posted a blog post

CMOS vs CCD

I am thinking of purchasing a Sony@550 which has a CMOS sensor and my current Sony has a CCD. What are the pros and cons in DSLR astro? I want the 550 for its live view and it is a 14 megapixel while mine is 10. Comments please Thanks Al
Jun 2, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"I am looking at a Sony @550, this camera has a CMOS sensor as opposed to CCD, any comments please Thanks Al"
Jun 2, 2011
Al McAdam commented on Neil Heacock's photo
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M81 / M82 in HaRGB

"Great stuff Neil, I am about to get into guiding so I may ask other questions later. I have been taking flats using a white T-shirt folded over the front of my scope, Dark flats scope cap on and shooting the same length of time and the same temp,…"
May 13, 2011
Al McAdam commented on Steve Coates's photo
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m51 the Whirlpool galaxy

"Steve, Great image and it is what I hope to achieve eventually. I have a C8 and I see you mentioned it so I am looking forward to your results."
Apr 30, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"Thanks Russ, I figured with my luck I could waste the whole rainy afternoon and maybe I did but at least I had something to do. I saved 20 shots at 70°F and a similar number with everything the same at 55°. I was reading in Michael…"
Apr 28, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"In regards to my library of Darks, Dark Flats and Bias files, maybe Marc or Russ can answer this because I read somewhere "at the same focus as your lights". As Marc mentioned if you move the camera you can use photoshop to get rid of the…"
Apr 27, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"Russ, I started my collection at 55°F with 20 Darks at 1600 and 30" and then I took 20 Bias also at 1600 and 1/4000th same temp. It was raining a bit so I followed your procedure except I put the camera in the BBQ for protection and…"
Apr 26, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"Thanks Russ that is a great idea, I will wait until my wife is not around. During the winter I had a bag with a heating pad plugged into my extension cord and it solved the problem of the little AAA batteries in the timer from getting cold and now…"
Apr 25, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"Marc I did read the DSS info on flats and darks and Dark flats plus other sources, it made for an interesting afternoon since it was raining anyhow."
Apr 25, 2011
Al McAdam commented on Starhopper's group Deepskystacker Settings
"Thanks Marc and Russ apparently we are not supposed to have good weather until Saturday but if we have some breaks I may be able to get out during the day and catch a range of temperatures as Marc suggested to make a library."
Apr 25, 2011

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C8
SkyWatcher HEQ5 Pro with GPS
Sony@200 DSLR

Al McAdam's Blog

CMOS vs CCD

Posted on June 2, 2011 at 4:38pm 5 Comments

I am thinking of purchasing a Sony@550 which has a CMOS sensor and my current Sony has a CCD. What are the pros and cons in DSLR astro? I want the 550 for its live view and it is a 14 megapixel while mine is 10. Comments please Thanks Al

Comment Wall (6 comments)

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At 9:00pm on March 18, 2011, spike77 said…
hey welcome al glad to have u on board
At 11:52pm on March 12, 2011, space_jockey said…
Welcome to astrogab!!
At 11:51pm on March 12, 2011, space_jockey said…
Holy smokes it looks cold in that pic!!!
At 7:39pm on March 8, 2011, Jerome Roberts said…
Nice setup Al
At 9:08am on March 8, 2011, Jerome Roberts said…
Hi Al welcome to Astro Gab hope these guys can help you
At 9:06am on March 8, 2011, Trevor Woodrow said…
Welcome Al!
 
 
 

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