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[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
28 pp.  
 
[On Astronomical Magnitude]
 
28 pp.  
 
 
 
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