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Posts posted by anthony
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This thread was very useful. After a few years in storage I very recently took my Lunt LS60T out and discovered it had this problem. Spent a whole day thinking it was just hazy cloud! Finally had a look and saw the issue.
My scope is 10 years old and I am the original owner. Lunt quickly put me contact with Brewer Germany and my replacement filter has just arrived - no cost to me. I am sure I saw one on the Lunt site for about $7.
I am very happy with this level of aftercare!!
Lunt were able to tell me that the blue glass is a UV Cut filter.
The newest version has a coating to inhibit this build up.
They also confirmed it was OK to try and clean the old BG filter and suggested CLR.
I used stuff lying around the house which didn’t do much so I polished it up with a soft wheel at low speed on the Dremel and whatever the red compound is that came with the Dremel. I’m not suggesting that anyone do this of course. I did it knowing that I could completely ruin it.
I was careful not to scratch the glass!
Finished the process with a little bit of car polish.
Result was very effective, not perfect, but a massive difference. Had a few minutes with a decent view and ran off a few AVIs.
It’s been cloudy or I have been busy ever since!
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I have a SXV H9 and guide head problem (years and years of flawless service so far). I emailed Terry Platt this afternoon. He got back to me with a potential solution in less than an hour and on a Sunday to boot.
I think that this level of customer support is just fantastic and wanted to share my experience.
Anthony
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Your time and effort is thoroughly appreciated.
Anthony
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Contact - radio telescope
Was the dish the one with the Austrailian crew and the lunar landings?
Anthony
Lunt Blocking Filter - Check yours, you won't regret it!
in Observing - Solar
Posted
After the various cleaning agents had little effect the Dremel was the last resort as the bin was all it was good for otherwise. I was gentle, polishing rather than grinding.