17.2019124 Rogers-Zeglinski 12-inch f/8 reflector

On 02 Apr, 2020 By rosenfel@chass....
  1. catalogue number: 17.2019124;
  2. name of artifact: Rogers-Zeglinski 12-inch f/8 reflector;
  3. date of production: 1926-1929;
  4. materials of manufacture: optical glass, coatings, copper alloys, steels, iron, hardwood (oak), softwood, plastic, paper, paint;
  5. maker: H.L. (Henry Launder) Rogers (1887-1955), restored by Joseph Zeglinski, 1967/1970 (primary re-silvered by Jerry Longworth in the DDO vacuum chamber), and 2019;
  6. provenance:
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    16.2019117 4.25-inch “Deluxe Space Conquerer [sic]” (Palomar Type)

    On 01 Apr, 2020 By rosenfel@chass....
    1. catalogue number: 16.2019117;
    2. name of artifact: 4.25-inch “Deluxe Space Conquerer [sic]” (Palomar Type), f/10;
    3. date of production: 1950s-early 1960s;
    4. materials of manufacture: optical glass, coatings, steel, copper alloy, plastic, enamel;
    5. maker: Edmund Scientific, Barrington NJ;
    6. provenance:
      1. RASC Montreal Centre;
      2. Geoff Gaherty, Foxmead Observatory, Coldwater ON;
      3. gift of Blake Nancarrow, Bradford ON;
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    Explore the Moon

    On 01 Apr, 2020 By blair.s@shaw.ca
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    15.2019111 Solar-System Planetarium (non-geared)

    On 01 Apr, 2020 By rosenfel@chass....
    1. catalogue number: 15.2019111;
    2. name of artifact: Solar-system planetarium (non-geared);
    3. date of production: 2008;
    4. materials of manufacture: copper alloy, steel, paint, wood;
    5. maker: Réal Manseau, Drummondville QC (has label which reads “ATELIER/Réal Manseau/Drummondville”);
    6. provenance: purchased from Réal Manseau;
    7. condition: excellent condition;
    8. notes:
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      14.2019111 reproduction of Champlain’s astrolabe

      On 01 Apr, 2020 By rosenfel@chass....
      • catalogue number: 14.2019111;
      • name of artifact: reproduction of Champlain’s astrolabe;
      • date of production: 2004;
      • materials of manufacture: Copper-alloy, and stained wood;
      • maker: Réal Manseau, “Atelier du Sagittaire”, Drummondville QC;
      • provenance: purchased from Réal Manseau;
      • condition: excellent condition;
      • comparanda: original: Gatineau, Canadian Museum of History, CMC 989.56.1, 1603;
      • literature:
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        13.2019820 Manseau reproduction of Galileo’s telescopes & their 17th-century display stand

        On 01 Apr, 2020 By rosenfel@chass....
        1. catalogue number: 13.2019820;
        2. name of artifact: Manseau reproduction of Galileo’s telescopes & their 17th-century display stand, now at the Museo Galileo, Florence;
        3. date of production: 2009;
        4. materials of manufacture: Optical glass, wood, textile, “Carrara” marble, paint;
        5. maker: Réal Manseau, Drummondville QC;
        6. provenance: purchased from Réal Manseau;
        7. condition: excellent condition;
        8. notes:
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          12.2019820 Manseau "premier télescope Newton"

          On 31 Mar, 2020 By rosenfel@chass....
          1. catalogue number: 12.2019820;
          2. name of artifact: reproduction of the reflector by Isaac Newton & John Wickens 1671-1672 (aka “Isaac Newton’s third telescope”), now in the collections of the Royal Society;
          3. date of production: 1987;
          4. materials of manufacture: optical glass, copper alloy, iron, steel, wood, paint;
          5. maker: Réal & Lorenzo Manseau, Drummondville, QC (signed in the wood base; also bears a latter label: “ATELIER DU SAGITTAIRE ENG/Réal Manseau/Drummondville 2011”);
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          Online Activities

          On 31 Mar, 2020 By walter.macdonal...
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          How to Use the Observer's Handbook Session 7

          On 31 Mar, 2020 By jenna.m.hinds@g...
          Event Date: 
          Monday, May 25, 2020 - 3:30pm to 4:00pm

          After a break for the long weekend, we will be picking back up with a look at Stars and the Deep Sky.

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          11.20191212 7x50 Southern Pacific Instruments (SPI) Satellite Telescope

          On 31 Mar, 2020 By rosenfel@chass....
          1. catalogue number: 11.20191212;
          2. name of artifact: 7x50 Southern Pacific Instruments (SPI) Satellite Telescope;
          3. date of production: 1960s;
          4. materials of manufacture: optical glass, copper-alloy(?), steel, plastic(?);
          5. maker: made in Japan for SPI;
          6. provenance:
            1. Dave Trott;
            2. purchased on Astromart from Dave Trott by the DTM founder;
          7. condition: Good;
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