Astronomy in the Garden Tuesday, January 23, 7-9 pm The Sawtooth Botanical Garden will host a 4-part astronomy series in 2018. On January 23 from 7-9 PM Tim Frazier, president of the Magic Valley Astronomical Society, will teach participants how to find their way in the night sky using telescopes, binoculars and spotting scopes. At 8 pm, weather permitting, participants move outdoors for telescope viewing and constellation lore. Other classes in the series will be offered in May, August and November. Preregistration required. Classes: $10/$12; children under 16 – free. Series: $35/$43; children under 16 – free. Details at www.sbgarden.org or 208.726.9358.