International Astronomy Day

Event Date: 
Saturday, May 2, 2020 - 10:00am to 10:00pm

Join us at RASC National, RASC Ottawa and Ottawa Valley Astronomy and Observers Group as we share the sky with you! The schedule is full of live solar, planetary and deep sky observing. In the event of inclement weather, there will be observing-related presentations.

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O1.20141001

  1. RASC O1.20141001
  2. tempered-glass fragments created by meteor shock wave, Chelyabinskaya oblast′, Russia (54° 49′N, 61° 7′E)
  3. anonymous gift 2014 October 1
  4. 5.17 × 2.3 × 1.8 cm.; 2 fragments, φ scale = –2 to –3 (Wentworth size class=fine gravel), 0.65 × 0.6 × 0.4 cm., 0.59 × 0.52 × 0.4 cm.
  5. 0.3 gr.
  6. ...
  7. ...
  8. good
  9. ...
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I11.20141001

  1. RASC I11.20141001
  2. Tektite, Australasian Strewn Field
  3. anonymous gift 2014 October 1
  4. 5.17 × 2.3 × 1.8 cm.
  5. ...
  6. pear-shaped splashform orientated
  7. ...
  8. excellent state of preservation
  9. not previously published
    1. McCall, G.J.H. (2001). Tektites in the Geological Record: Showers From the Sky. Bath: Geological Society of London, 51-54
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I10.20141001

  1. RASC I10.20141001
  2. 2. Moldavite, Czech Republic
  3. 3. anonymous gift 2014 October 1
  4. 4. 2 fragments, 1.3 × 1.2 × 0.6 cm., 1 × 0.70 × 0.68 cm.
  5. 5. 0.84 gr., 0.5 gr.
  6. ...
  7. ...
  8. good
  9. not previously published
    1. Trnka, M. & Houzar, S. (2002). Moldavites: a Review. Bulletin of the Czech Geological Survey 77, 4, 283-302
    2. Baier, J. (2007). Die Auswurfprodukte des Ries-Impakts, Deutschland, Documentae naturae 162. Munich: Documenta naturae
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I9. 20141001

  1. 1. RASC I9. 20141001
  2. 2. Sudbury distal ejecta, Hillcrest Park (Thunder Bay), Ontario, Canada (48° 26' 4" N, 89° 14' 4" W )
  3. 3. anonymous gift 2014 October 1
  4. 4. 2 fragments, 5.2 × 3.5 × 1.6 cm., 5.1 × 3.3 × 1 cm.
  5. 5. 15.1 gr., 13.8 gr.
  6. 6. ...
  7. 7. ...
  8. 8. friable
  9. 9. not previously published
    1. Addison (2005)
    2. Addison (2010)
    3. Glass & Simonson (2012)
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M34.20141001

  1. RASC M34.20141001
  2. NWA 4473, achondrite (diogenite), find 2006, 7.02 kg.
  3. anonymous gift 2014 October 1
  4. ca. 30 fragments, φ scale = 4 to –2 (Wentworth size classes = very fine sand to very fine gravel), 0.01–0.36 cm.
  5. 0.081 gr.
  6. ...
  7. colour range: N 3/ (Very Dark Gray) matrix, 5R 8/1 (White), 5Y 8/3-5Y 8/4 (Pale Yellow), and 2.5YR 7/6 (Light Red)-2.5YR 5/6 (Red) clasts
  8. good
  9. not previously published
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    M33.20141001

    1. RASC M33.20141001
    2. NWA 2999, achondrite (angrite), Morocco or Algeria, find 2004, 0.392 kg.
    3. anonymous gift 2014 October 1
    4. fragment, φ scale = –1 to –2 (Wentworth size class = very fine gravel), 0.37 × 0.29 × 0.18 cm.
    5. 0.08 gr.
    6. ...
    7. Colour range: N 2.5/ (Black)
    8. good;
    9. not previously published
      1. IMCA EoM: www.encyclopedia-of-meteorites.com/meteorite.aspx?id=33449
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    M32.20141001

    1. RASC M32.20141001
    2. Jbilet Winselwan, carbonaceous chondrite (CM2), Western Sahara, Morocco (26° 40′ 3′′N, 11° 40′ 38′′W ), find 2013, 6 kg.
    3. anonymous gift 2014 October 1
    4. complete granule, φ scale= –1 to –2 (Wentworth size class=very fine gravel), 0.38 × 0.28 × 0.24 cm.
    5. 0.089 gr.
    6. ...
    7. colour range: N 4/ (Dark Gray) to N 2.5/ (Black) exterior, N 2.5/ (Black) interior visible at broken surface
    8. good
    9. not previously published
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      M31.20141001

      1. RASC M31.20141001
      2. Koltsovo, ordinary chondrite (H4), Kaluga District, Russia (54° 45′ 2′′N, 36° 58′ 41′′E), find 2004, 20.02 kg.
      3. anonymous gift 2014 October 1;
      4. fragment, φ scale = –3 (Wentworth size class=fine gravel), 6.1 × 5.9 × 3.0 cm.
      5. 0.161 gr.
      6. ...
      7. colour range: N 4/ (Dark Gray) matrix, with N 5/ (Gray) to N 3/ (Very Dark Gray) chondrules
      8. good
      9. not previously published
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        M30.20141001

        1. RASC M30.20141001
        2. Northbranch, ordinary chondrite (H5), Kansas, USA (39° 59′ 30" N, 98° 20′ 30" W ), find 1972, 76 kg.
        3. anonymous gift 2014 October 1
        4. ca. 30 fragments, φ scale = 3 to –3 (Wentworth size class=fine sand to fine gravel), 0.019–0.54 cm.
        5. 0.04 gr.
        6. ...
        7. colour range: N 3/ (Very Dark Gray) matrix
        8. good
        9. not previously published
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