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3 Persei
Wynyard Planetarium & Observatory a Autumn Observing Notes
Deep-Sky Objects - Autumn Collection an Addition To: Explore the Universe Observing Certificate Third Edition RASC NW Cons Object Mag
B Persei, a Fundamental Star Among the Radiostars
1903Aj 23 . . . 22K 22 the Asteojsomic Al
DAKW 46 2 0317-0349.Pdf
B O L E T I N Asociacion a R G En T in a a S T R O N O M
The Theosophical Path
From Quetelet's List...They Are Expressed in the Gregorian Calendar
Edward Charles Pickering 1846-1919
Outline of ,Work for the General Section
Fort Worth Astronomical Society December 2010 Club Calendar – 2
Constellations by Season
Glossary of Navigation
December 2020 OBSERVERS CHALLENGE M76
Observations of Nova (3. 1901) Persei
Astronomy for the Army
Astronomy Without a Telescope
Commission 8. Positional Astronomy (Astronomie De Position)
Top View
DEC 2020 in the Sky That the Sun Will Reach and Again Each Evening As We Are Pulling Farther Ahead the Longest Night of the Year
Algol (Beta Persei) “Demon Star” Algol, the "Demon Star", Derives from Arabic and Likely Refers to Its Mysterious Fadings Every 2.87 Days
Orbit of the Spectroscopic Binary B Persei 159