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Author
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Topic: different SHA and Dec for Sirius
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erdeneruc
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posted August 02, 2023 03:18 PM
in 249 Vol2: SIRIUS SHA 258 33, Dec S 16 44
in Course book p248 SHA 258 55.4, Dec S 16 41.7
Any thoughts on this discrepancy? I thought that these values would have been the same.
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Capt Steve Miller
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posted August 02, 2023 03:52 PM
in my copy of Pub 249 Vol 2 I see:
Sirius SHA (1985.0) 258* 53' Dec (1985.0) S 16* 42'
vs
Text T-5 This Table is for March 1981
Sirius SHA 258* 55.4' Dec S 16*41.7
The differences are due to the 4-year difference for the data.
From: Starpath
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