Join BN Chi town as we get our stargazing on at night! Come meet up after work and enjoy free entry to the Adler Planetarium (for Illinois Residents) to enjoy all the museums exhibits. If you want to enjoy the sky show, it is only 13.00 additional. Attendees must register for tickets online. Meetup is at 6:00 pm and Sky Show live starts at 7:15 pm. Please select tickets below. Adler at night Tickets More Info below.