Category Archives: Astro Equipment

EQ3-2 Polar Scope Illuminator

Posted on February 23, 2012 by james

I’ve read a few posting by people who have made polar scope illuminators for their EQ5 mounts and as I find aligning my EQ3-2 very awkward thanks to the lack of illumination of the reticle I decided to attempt to … Continue reading →

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Mains Power for Skywatcher Motor Focuser

Posted on February 8, 2012 by james

Now I have the motor focuser on the 127 Mak I decided it might be useful to be able to power it from the mains when the opportunity arose. I had a rummage around for a suitable power connector socket, … Continue reading →

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EQ3-2 Mount Tune-Up (Part Three)

Posted on February 6, 2012 by james

My EQ3-2 mount came with a pair of motors installed for the RA and DEC axes. I’ve had no major issue with the RA motor, but backlash in the DEC axis was very bad. Up to now my experience of … Continue reading →

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Skywatcher 127 Mak Focuser Motor Drive Conversion

Posted on February 5, 2012 by james

It seems to be fairly widely accepted that the 127 Mak suffers badly from vibration when the focuser is adjusted by hand on the mounts it’s shipped with as standard. That’s certainly the case with mine. For me, it would … Continue reading →

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EQ3-2 Mount Tune-Up (Part Two)

Posted on January 31, 2012 by james

Whilst I had the mount on the bench I thought I’d have another look at what seems to be a perennial problem with the Skywatcher mounts at UK latitudes: the mounts are at the limits of their design spec. for … Continue reading →

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EQ3-2 Mount Tune-Up (Part One)

Posted on January 31, 2012 by james

Having read a posting on Stargazer’s Lounge about converting the EQ3-2 to direct(-ish) drive on the DEC axis, I thought I’d have a go myself. My EQ3-2 mount is one of the older models with a “Sky Scan 2001” logo … Continue reading →

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A (Relatively) Cheap Illuminated Reticle Eyepiece

Posted on January 23, 2012 by james

When imaging with the 127 Mak and SPC900, getting the target somewhere the webcam will pick it up is one of the most awkward things to do. It’s made more tricky by the fact that if the scope is sufficiently … Continue reading →

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Cleaning a Celestron Ultima Barlow

Posted on January 22, 2012 by james

I had a close look at my Celestron Ultima 2x barlow the other day having spent a few nights out imaging Jupiter and Mars and discovered that it was disgustingly filthy. No idea how it should have got so dirty … Continue reading →

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