Sunday, August 9, 2015
Grab n' go imaging with JrPro
I decided to try my grab n'go with the Jr Pro this weekend (8/7). The ST-80 is F5, but I used a Barlow lens for the images of the Dumbbell and the Ring Nebula. Planetary nebulae have a small angular diameter and they are vanishingly small in the ST-80 FOV. I cropped the images and made some adjustments in Photoshop (it was a warm night and the Jr Pro is uncooled, so there was significant noise.
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The Tulip Nebula—Hubble Palette
This image is just over 3 hours of integration on the Tulip Nebula. The image was stacked with star processing, initial histogram stretch, a...
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I had a couple of emails asking how to defork an ETX telescope. The ETX 90 and ETX 125 were optically superb scopes, but the mounts left a... -
The ZEQ25 doing its stuff on a cold night--imaging the Orion Nebula with an 8 inch f/4 astrograph. Note the lovely Christmas rug :) As ... -
Like the Ring Nebula, the Dumbbell nebula is a planetary nebula marking the end of a star's life as it puffs off its outer layers into s...
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