New PDF release: A PHOTOGRAPHIC STUDY OF APOLLO 9

By Wayne Parsons; Joseph Heath; MICHIGAN UNIV ANN ARBOR INST OF SCIENCE AND TECHNOLOGY

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O. 49"E Medium S u b j e c t : This s m a l l c r a t e r w i t h a r o c k y bottom w a s photographed from a p o i n t 60 m e t e r s from t h e LM, l o o k i n g n o r t h e a s t . This i s n o t a h i g h q u a l i t y s t e r e o p a i r ; i . e . , i t s s t e r e o q u a l i t i e s a r e n o t t h e b e s t . However, t h e two p h o t o s were a r r a n g e d g e o m e t r i c a l l y t o o p t i m i z e t h e s t e r e o q u a l i t i e s of t h e r o c k f o r m a t i o n s on t h e c r a t e r f l o o r .

S t e r e o P a i r Frame Nos. : F i l m Type: 6093/6092+~ Black and White P r i n c i p a l Point: - ( F i g u r e 10-B) 3400 Above h o r i z o n . Sun Angle: Medium S u b j e c t : This s t e r e o p a i r o f t h e w e s t e r n r e a c h e s of Mare T r a n q u i l l i t a t i s , p r o v i d e s good s t e r e o g r a p h i c c o v e r a g e of C r a t e r Delambre ( l a r g e s t c r a t e r t o l e f t of c e n t e r ) ; Craters S a b i n e , R i t t e r , R i t t e r B , R i t t e r D ( c l u s t e r o f f o u r c r a t e r s t o r i g h t of c e n t e r ) ; and C r a t e r D i o n y s i u s ( a b r i g h t , s h a r p rimmed c r a t e r j u s t beyond S a b i n e and R i t t e r ) .

8"E, w e r e c h o s e n f o r t h i s i l l u s t r a t i o n . It w a s known b e f o r e h a n d t h a t t h e s e photographs h a v e a t i l t a n g l e of a p p r o x i m a t e l y 22 d e g r e e s ; however, t h e p r o c e d u r e s o u t l i n e d below, which were used f o r t h i s f e a s i b i l i t y d e m o n s t r a t i o n , a r e b a s e d on t h e a s s u m p t i o n t h a t t h e photographs a r e v e r t i c a l : (1) L o c a t e and mark t h e c e n t e r of e a c h p h o t o g r a p h .

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A PHOTOGRAPHIC STUDY OF APOLLO 9 by Wayne Parsons; Joseph Heath; MICHIGAN UNIV ANN ARBOR INST OF SCIENCE AND TECHNOLOGY


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