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Beta Tucanae - A six stars system !
GSO 305 mm - Canon T3 - ISO 400 - 15 seconds - Skyglow filter
A complex system with 6 stars.
B1 - A and B - separation of 2.4 arcsec
B2 - A and B - separation of 0.38 arcsec
B3 - A and B - separation of 0.10 arcsec
Separation of main stars:
B1-B2 - 42.5px - 27 arcsec → resolution 0,635 arcsec/px
B1-B3 - 878px - 540 arcsec → measured (B1-B3) 557,78 arcsec
note: the separation of B1 and B3 is about 1.5x the distance between Proxima and alfa Centauri.
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