Celestia Forums

Ok, let me try to again, the zenith of the sun at the equator, that should be the RA zero point, and in terms of the latitude and longitude on the earth there must be coordination points , as the equator is one of the lines that should be 0 deg. but there must a longitute ref. line - west or east of...

Hi to all the sky watchers I am new to this hobby, and my telescope is a 16x50 binoculars but not for long. I would like to know, the first point of Aries, the cross point of the equator and the celestrial equator, what is that points coordinates on earth, the lat will be 0 dec. The RA is 00h00m00s ...