John Baars

  1. A visit to the unique 9 inch Unitron Polarex

    by , 11-25-2018 at 07:08 PM
    Quote Originally Posted by John Baars View Post
    Last friday 03-23-2018 I had the opportunity to visit the one and only 9 inch Unitron Polarex telescope in the world.

    Thanks to Dave Komar, who pointed me out the whereabouts of this giant telescope (several miles from my hometown!) , I was able to contact the owner. The owner tells us via Dave about the amazing rescue from the scrapyard and demolition on his site: Polarex – Unitron Model 900 – Unitron History Project

    Quite a remarkable and readable story. The owner
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  2. A visit to the unique 9 inch Unitron Polarex

    by , 11-25-2018 at 07:08 PM
    Quote Originally Posted by John Baars View Post
    Last friday 03-23-2018 I had the opportunity to visit the one and only 9 inch Unitron Polarex telescope in the world.

    Thanks to Dave Komar, who pointed me out the whereabouts of this giant telescope (several miles from my hometown!) , I was able to contact the owner. The owner tells us via Dave about the amazing rescue from the scrapyard and demolition on his site: Polarex – Unitron Model 900 – Unitron History Project

    Quite a remarkable and readable story. The owner
    ...
    Categories
    Uncategorized
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  3. First impressions of Interstellarum Deep Sky Guide, a short review.

    by , 11-24-2018 at 12:53 PM
    Quote Originally Posted by John Baars View Post
    Interstellarum Deep sky Guide.
    After waiting a long period of more than six months, it finally arrived. My copy of the IDSG. I had ordered the desk edition. English version. I never take an atlas or a guide out in the field any more, since I make my wish-list at home, accompanied by an atlas ( IDSA), a guide and a cup of coffee. Out in the field my cellphone-app SSPro is my buddy. Until two years ago I took my atlas with me in the field, nowadays I consider a nice atlas and a good guide as
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  4. Second chance on M74

    by , 11-18-2018 at 01:50 PM
    Quote Originally Posted by John Baars View Post
    Two days earlier I did an attempt on M74 under my LP skies with my refractor. Over here

    When the sky is clear and seems to stay that way, one is tempted to do it all over again. At least some parts of it. The Moon was a bit bigger now, so for a renewal of the quest for M74 two days earlier, I had to wait until the influence of the moon was almost gone. It would last until at least 0.20 h. UT before the orb (learned that word too here:-) set behind neighbouring houses.

    Seeing
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  5. One of the Huygens lenses

    by , 11-03-2018 at 11:44 PM
    Quote Originally Posted by John Baars View Post
    Today I went to visit the Louwman collection of antique and classical telescopes in Den Haag, the city where I was born, near my current hometown Schiedam in the Netherlands. The museum has a vast and international collection of binoculars and telescopes from Dutch, French, Italian, British and German telescope- and binocularbuilders. I went there together with 20 members of our local astronomy club.

    One of the best items is the only Huygens lens which is in private hands. There seem
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