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The Milky Way: Sagittarius Region


wmhoodphoto

45 minute exposure on hypersensitized Fuji 400 film with a Mamiya 1000S camera and 80mm lens.


From the category:

Space

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From our view on Earth, Sagittarius marks the center of our galaxy.

Earth resides on one of the outer spiral arms of the Milky Way, a

barred-spiral galaxy.

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Not a expert on the stars, but I like all the different lighting effects and it looks like a gazillion stars. 7/6
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I too love the variety of colors that are in this. I can look at this for hours finding new things. Fascinating!
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Superb image.

 

Could you share how do you manage to make the camera move along with the earth's rotation in order to keep the stars so sharp in a 45 mintes exposure?

Best regards,

Aguinaldo

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...to all for your precious time and comments.

Aguinaldo: The telescope mount has a motor drive that tracks the image. First, it must be precisely aligned with the Earth's axis of rotation--which usually takes about 45 minutes. Then, once the exposure is started, minute corrections must be made during the entire exposure due to periodic errors inherrent in the motors. This is done either manually thru a "guiding eyepiece", or with a CCD autoguider/imaging devise. Next to correct focus, this is the most critical step.

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wonderful 'milky' textures and depth.stunning image!!

like grains of sand..

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