Digital Camera Astrophotography Part 1

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Digital Camera AstrophotographyPart 1

• By
• Andy Weeks
• http//astro.nightskypix.com/
• andy_at_nightskypix.com

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Why Digital Camera?

• Photography and Astrophotography.
• Camera Price Point remains steady 600
• Technology improves price steady
• Generally more simple to get started
• Various ISO Settings
• 100, 200, 400, 800, 1600

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More MegaPixels Forgiving

• Canon XTi 10 Megapixel
• Focus good, not perfect
• Web photo
• 3,888x2,592 vs. Web 800x600
• Removes slight focusing errors.

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CCD vs. Digital Camera

• CCD Advantages
• Cooling
• Auto Stacking
• Good Software
• Focusing
• Astrophoto designed

• DC Advantages
• Hardware Cost
• Software Cost
• Quicker to 1st Picture
• Weight
• Decent focus without PC

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30 seconds not bad!

• Unprocessed
• No Tracking needed

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M13 Comparisons
6 Minutes Stacked
30 Seconds _at_ ISO 1600
30 Seconds Processed
6 Minutes Stacked Processed
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M57 20 Seconds
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M57 Stacked
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M57
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M27 30 Seconds
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M27 Stacked
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M27 Final
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SCT Experience