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May 27, 2018 at 3:12 comment added uhoh I've just asked the follow-up question Will these equations give me the approximate apparent RA and Dec using positions from Horizons?
May 28, 2016 at 8:39 comment added uhoh OK I see - great! So Earth mean equator and equinox of reference epoch = J2000.0 would be the same as saying "ICRF coordinates"? I'm trying to learn the vocabulary here. Is "ICRF coordinates" unambiguous, or is it necessary to say that whole thing?
May 28, 2016 at 8:39 vote accept uhoh
May 28, 2016 at 7:18 history answered David Hammen CC BY-SA 3.0