Tag Archives: PST

Coronado PST filter mod for Atik 314L+

Posted on September 1, 2014 by james

In my previous posting about the mod I’ve done for my PST to move the BF5 closer to the sensor of my ASI120 I had an idea about doing the same for my Atik 314L+. I know this camera is … Continue reading →

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Coronado PST BF5 positioning mod

Posted on August 31, 2014 by james

A few days ago I posted about the problems with vignetting when imaging with a PST and decided that for me a solution might be to move the BF5 unit as close to the camera sensor as possible so that … Continue reading →

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Shoddy Coronado PST build quality

Posted on August 26, 2014 by james

The constant rain this weekend meant indoor activity was called for, so I started work on my new PST mod to move the BF5 filter closer to the camera in an attempt to reduce or perhaps even completely remove the … Continue reading →

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Coronado PST eyepiece holder disassembly part 2

Posted on August 20, 2014 by james

I got brave this evening and disassembled the eyepiece holder to the point I’d reached as described a few days ago. I then examined the BF5 housing and decided that it appeared to fit into the eyepiece holder from the … Continue reading →

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Coronado PST eyepiece holder disassembly

Posted on August 15, 2014 by james

Following on from my thoughts that I might have to move the blocking filter on my modded PST closer to the camera sensor, I decided to take it apart to see what I might be dealing with.  Though I’ve got … Continue reading →

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Another possible PST mod

Posted on August 14, 2014 by james

My PST has been repeatedly modded and now looks like this: (though now with the addition of a motor to the focuser.) I have been pondering of late however on the amount of vignetting that occurs when imaging and what … Continue reading →

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Revelation/Skywatcher SCT dual speed focuser motor drive conversion

Posted on August 13, 2014 by james

Last year I modded my PST, replacing the “black box” with a slightly modded Revelation dual-speed Crayford that was originally intended for SCTs. I’ve been meaning to do a motor drive conversion for some time and had bought a second-hand … Continue reading →

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Solar prominences

Posted on October 15, 2013 by james

A revisit of one of my earlier images, but enhanced to show the prominences. In some ways they don’t look like much, until you consider that they dwarf our entire planet.

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More experiments in solar Ha

Posted on October 15, 2013 by james

Another couple of tries with the PST, taken in France on holiday. These ones I’ve managed to do as mosaics and add false colour. I’m still not very happy with them. A good deal of practice is going to be … Continue reading →

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My first Hydrogen Alpha image

Posted on October 15, 2013 by james

Having spent all this time modding my PST I really needed to do some imaging with it, so here’s my first attempt at a solar Ha image. It’s not brilliant, I’ll grant you, but it’s mine. I’m still experimenting with … Continue reading →

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