Astronomy Practice Sign-Up Please register for the date(s) that you will attend Astronomy Practice. Email Address Please check all the dates that you will be attending. All sessions will be online and are scheduled for 10am Arizona / 1pm Eastern. Tuesday May 24 Tuesday May 31 Tuesday June 7 Tuesday June 14 Tuesday June 21 Tuesday June 28 Let us know if you have any questions or concerns. We'll compile the answers and circulate to attendees prior to the first session!