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Apollo Telescope Mount
in Astronomy
Amateur Telescope Maker
in Astronomy
Amateur Telescope Making
in Astronomy
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Similar to ATM
BOOK - Bio Optical Organized Knowledge
BOSS - Bullet Of Super Speed
BS - Burrell Schmidt telescope
BST - British Summer Time [GMT + 0100]
CAAA - Capital Area Astronomy Association
CAI - Calcium Aluminum-rich Inclusion
CAL - Casual Astronomy League
View all in Astronomy