1900s

Observer's Handbook 1907

The first edition (1907) of the The Canadian Astronomical Handbook (later named the Observer's Handbook). This digital edition contains special introductory text written by former Handbook editor Roy Bishop in 2009.

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Aurora 19170821 #3

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XVI) by A. Steadworthy.

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Aurora 19170821 #2

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.

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Aurora 19170821 #1

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.

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Mars 19180329-2130

Key to Objects on the Drawings

    North polar cap
  1. Ceraunius
  2. Tharsis
  3. Tithonius Lacus
  4. Solis Lacus
  5. Thaumasia
  6. Aonius Sinus
  7. Bosphorus Gemmatus
  8. Auroræ Sinus
  9. Ophir
  10. Ganges
  11. Lunæ Lacus
  12. Tempe

Sketch published in JRASC, 1918.

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Mars 19180324-2100

Key to Objects on the Drawings

    North polar cap
  1. Indistinct shadings in Eden and Arabia
  2. Sinus Sabæus
  3. Solis Pons
  4. Syrtis Major
  5. Osiridis Prom.
  6. Nili Pons
  7. White region
  8. Neith Regio

Sketch published in JRASC, 1918.

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Mars 19180322-2115

Key to Objects on the Drawings

    North polar cap
  1. Mare Acidalium
  2. Eden
  3. Edom
  4. Sinus Sabæus
  5. Deucalionis Regio
  6. Syrtis Major
  7. Osiridis Prom.
  8. Nili Pons
  9. White region

Sketch published in JRASC, 1918.

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Mars 19180320-2130

Key to Objects on the Drawings

    North polar cap
  1. Mare Acidalium
  2. Baltia
  3. Tempe
  4. Hydaspes
  5. Indus
  6. Aromatum Promontory
  7. Auroræ Sinus
  8. Margaritifer Sinus
  9. Deucalionis Regio
  10. Fastigium Arya
  11. Sinus Sabæus
  12. White Region

Sketch published in JRASC, 1918.

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Andrew Elvins 1910

Picture published in JRASC, 1919.

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19180300 Mars

Published in JRASC, 1918.

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