Tag Archives: filter

Ostara Moon / Skyglow filter vs Ostara Crystalview Moon filter

Posted on March 14, 2014 by Reviewer

So what is the difference between the Ostara Moon & Skyglow filter and the similar priced Crystalview Moon filter ? The Moon / Skyglow is more of a dual use filter. It cuts down on light reaching the eye, for … Continue reading →

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Ostara moon / Skyglow filter

Posted on December 9, 2013 by Reviewer

It has been mentioned on one forum that Ostara filters have “soft” thread , and do not screw in to eyepieces very well. I can assure you this is not the case. I have sold well over 1000 of these, … Continue reading →

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Ostara 1.25″ Moon and Skyglow filter gets a great review in All about space magazine

Posted on September 5, 2013 by Reviewer

The Ostara Moon and Skyglow filter gets a great review in the “All about space” magazine. They rate it as excellent value for money for a light pollution filter. This filter has been very popular at the North Lincolnshire astronomy … Continue reading →

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Ostara 1.25″ Moon and Skyglow filter review.

Posted on March 8, 2013 by Reviewer

The following review of the Ostara 1.25″ Moon / Skyglow filter was posted on an internet forum during 2013. “Ok had my first light this Wednesday… I live in a flat and have 30-40 very bright lights facing my balcony. … Continue reading →

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How to connect a Skywatcher Light Pollution filter to a telescope.

Posted on November 12, 2012 by Reviewer

A frequently asked question at Northern Optics is “how do you fit a Skywatcher light pollution filter to a telescope”. The Skywatcher and many other filters screw on to the telescope eyepiece. There are other ways of connecting a filter, but … Continue reading →

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Ostara Crystalview Moon / Skyglow filter 1.25″. New for 2012

Posted on June 7, 2012 by Reviewer

New for 2012, the Ostara 1.25″ Moon and Skyglow filter. Designed to enhance Lunar & Planetary views, as well as being a useful light pollution filter. High quality metal frame, with padded hard case. Superb value for money Now available in 1.25″ … Continue reading →

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Ostara Crystalview 2 inch Moon / Skyglow filter

Posted on February 15, 2012 by Reviewer

New for 2012 is the 2″ Ostara Moon / Skyglow telescope filter. This is a high quality filter designed to give enhanced Lunar and Planetary views, as well as being a more than useful light pollution filter. Best thing is … Continue reading →

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Telescope filter basics. #56 Green

Posted on February 15, 2012 by Reviewer

Although a #56 Green filter can be used as a Moon filter. I find that it is the best astronomical filter for enhanced views of Mars. With the #56 filter attached, the Polar ice caps stand out much more against … Continue reading →

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Celestron Eyepiece and Filter set . 1.25″ Updated version

Posted on September 13, 2011 by Reviewer

The Celestron 1.25″ eyepiece and filter set has been upgraded in 2011 with an improved choice of eyepieces and a new colourful display box. The old box was plain white. Yet the RRP has been reduced by £40 ! See the … Continue reading →

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