IllustrationsGreat spiral nebula in AndromedaThe Milky WayStar-cluster in HerculesGreat southern star-cluster, Omega CentauriThe PleiadesThe “Great Dipper”CassiopeiaThe “Northern Crown”The “Southern Cross”Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901Nova Persei, with its nebular ringsLord Rosse’s nebulaWonderful spiral in triangulumSpiral in Ursa MajorNebula in CetusThe Orion nebulaThe CoronaA solar “prominence”Auroral beams seen in EnglandAuroral arches of an eliptic form seen in the Arctic regionsAuroral curtain seen in ScandinaviaAuroral arches seen in ScandinaviaSwift’s cometDaniels’ cometBrooks’ cometCurious forms of meteorite trainsSection of the atmosphere up to 100 kilometersA meteor photographed in flightLooking across Coon Butte crater from northern rimTrail on south side, Coon Butte craterThe craters Clavius, Longomontanus, Tycho, etc.Western part of the Mare SerenitatisMare Tranquilitatis and surroundingsLunar craters Theophilus and surrounding regionMare CrisiumSchiaparelli’s chart of Mars, showing the so-called system of canals