Tag Archives: solar

Baader D-ERF for PST stage 2 mod arrives

Posted on April 22, 2018 by james

A small but nonetheless vital, not to mention expensive, element (*cough* 🙂 of my stage 2 PST mod has now arrived — a 75mm Baader D-ERF that I plan to fit inside my Evostar 100. The filter arrived in a … Continue reading →

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PST stage 2 mod

Posted on April 21, 2018 by james

A few years back I modded my Coronado PST solar scope to remove the “black box” and replace it with a proper focuser. Since then a potential “stage 2” mod has always been nagging at the back of my mind, … Continue reading →

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Swimming pool solar heating system

Posted on August 24, 2014 by james

When we bought our current house quite some years ago, it had a reasonable size “in ground” swimming pool that was suffering a bit from lack of maintenance.  The re-made ground around the pool had settled over the years and … Continue reading →

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Time for a new white light solar filter

Posted on August 13, 2014 by james

I’ve had a white light solar filter made from Baader ND5.0 film (two, in fact) for several years and one of them was starting to look rather tatty so I decided it was time to make another.  Baader’s instructions suggest … 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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Modded PST fitted to a dovetail

Posted on October 15, 2013 by james

Someone suggested to me that Munsen rings might be a good way to fix my PST to a dovetail. As they looked far more straightforward than having to turn some fittings from solid aluminium I thought I’d give them a … Continue reading →

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Coronado PST “Stage 0.5” mod

Posted on October 15, 2013 by james

A short while ago I purchased a slightly damaged PST for solar Ha viewing. Not wishing to stump up the price of a Tal 100RS just yet, but wanting to make life somewhat easier for imaging and not being entirely … Continue reading →

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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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