Prime Focus Astrophotography
Just a reminder that much of my D70 prime focus astrophotography is now displayed on my Oracle Observatory reports. In particular, beginning with the 16-17 February 2007 report I now cover the Meade #777 Off-Axis Guider.
During my 29 October 2005 trip to Oracle Observatory I did some LXD55-8"SC Prime Focus astrophotography. The challenge was focusing at Prime Focus, even with a Hartmann Mask. Some edits were done in Photoshop 7.
Venus, MaxView DSLR II + Telenegative, 1/250sec, ISO 800.
M57, the Ring Nebula, Prime Focus, 60sec, ISO 800, stack of 11 images.
M1, the Crab Nebula, Prime Focus, 60sec, ISO 800, stack of 12 images.
M42, the Great Nebula in Orion, Prime Focus, 30sec, ISO 800 (single frame).
M42, the Great Nebula in Orion, Prime Focus, 30sec, ISO 800 (single frame), stack of 8 images (brings out nebulosity).
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