Sirius rose today at 0:00 and climaxed at 6:00 local time. Where are you? What season of the year is it?

Obviously, 6 hours after sunrise, only the upper, and not the lower, culmination of the star can occur. Sirius will set off in another 6 hours, that is, at 12 noon local time. The declination of Sirius is about -17 °, and for exactly 12 hours it can be above the horizon only at the equator. To determine the observation season, remember that Sirius culminates at local midnight on January 2, which means that it will culminate at 6 o’clock 3 months earlier, that is, at the beginning of October (the exact answer is October 3).

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