The trials, tribulations and small triumphs of a Charlotte, NC astronomer imaging under Bortle 8/9 skies.
Sunday, October 20, 2013
Time Lapse with ASI 120MM all-Sky Lens
This video is a 2 hour time lapse taken with the ASI 120MM and the supplied all-sky lens. The image is a series of 7-second exposures covering 2 hours (the inevitable clouds roll in a quarter of the way through). The sensitivity is excellent and the noise very low. In the early section, you can see significant faint detail around several of the stars (you have to look carefully in this compressed version). This is the nebulosity of the Milky Way itself. It's quite an achievement to see that with an almost-full moon above the horizon and high-level haze. This appears to be an excellent camera, and superior to the MC in both noise and sensitivity. (Note--the video is compressed. the artifacts seen here are not in the original video, which is pristine).
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The Horsehead Nebula with the Dwarf 3
Here's an image of the Horsehead Nebula captured under my Bortle 8/9 skies. There's 2.38 hours of total integration time, captured i...
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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...
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The clouds melted away last night with a northerly breeze and a clear, transparent sky opened up. As it does not get dark until around 10...
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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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