Category Archives: Astronomy

Impressive new solar active regions

Posted on May 20, 2013 by james

Whilst still relatively quiet, the Sun showed some impressive new active regions last week, apparently associated with quite large flares. Here are my white light images of the newer regions. First, AR1745: AR1746: And AR1748, just after passing around the … Continue reading →

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Ghosting problem on Moon images

Posted on May 3, 2013 by james

I was experimenting with shutter speeds and ISO settings whilst imaging the Moon with my DSLR the other night and when I got down to a shutter speed of 1/250th of a second starting seeing a problem where the top … Continue reading →

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Saturn over five nights

Posted on May 3, 2013 by james

Now the weather looks like it’s about to turn I can collect together the images of Saturn from the last five nights. Sadly it’s a demonstration of ever degrading seeing. Perhaps we need a bit of wind and rain to … Continue reading →

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Beginner’s guide to stacking planetary images with AutoStakkert!2

Posted on May 2, 2013 by james

Last week someone asked about a guide to stacking planetary images using AutoStakkert!2 (hereinafter known as AS!2) and I said I’d write something up. A few days later than I imagined, I’ve got around to it. This isn’t meant to … Continue reading →

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Messier List Completed

Posted on May 1, 2013 by james

After two and a half years and having finally managed to locate M83 I’m pleased to say I’ve finally found every Messier object. I started with an ST80 and have gradually moved up through an ST102 and ST120 to my … Continue reading →

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First Saturn of the Season

Posted on May 1, 2013 by james

After a late start, Saturn being past opposition already, I finally managed to capture my first images of the season two nights ago. Mostly I’m still using the same kit that I’ve always used for planetary imaging — a 127 … Continue reading →

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Full Disc Lunar Imaging with a DSLR

Posted on April 24, 2013 by james

I said recently that I’d try to write something up about the way I do full disc lunar imaging with my DSLR, so here it is. This isn’t the only way to do it. It’s possibly not even the best … Continue reading →

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What a Difference a Stack Makes

Posted on March 14, 2013 by james

I was asked about how much difference stacking planetary images made recently and whilst they’re not particularly brilliant images I pulled out a few from a recent capture run to demonstrate. These are all from a single capture run with … Continue reading →

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More ASI120MC Jupiter Images

Posted on March 14, 2013 by james

A montage of my next set of images of Jupiter. I’m starting to feel better about these though they’re still not without problems. I have the gain fairly high to help with the colour, but that seems to result in … Continue reading →

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Next Set of ASI120MC Images

Posted on March 12, 2013 by james

Everyone seems to be chasing Jupiter as it heads off towards conjunction, but the lack of clear nights is not giving me much practice with this camera and time is running out. This set of images is better than the … Continue reading →

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