Ephemeris

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Affiliation
American Association of Variable Star Observers (AAVSO)
Sat, 09/24/2022 - 06:25

Astro-hi all!

I tried to compare ephemeris of i Boo on saturday evening and found that Stellarium (a), VSX (b) and BRNO (c) give various MID value.

Could you please explain the reason of difference - my mistake or something else?

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