Saw one green-white light, brighter and slightly larger than star while in hot tub on porch. light flashed from green-white to dark to dull red to dark, then back to green-white. this pattern continued throughout the sighting. my mother pointed the object out to my father and i, as it was too low and flying at too sharp an upward angle to be a plane. object ascended quickly at angle of at least 80 degrees, came to a stop after about 30 seconds, and hovered for about 30 seconds, before making several sharp directional changes at slow speed, then assumed a straight path for about 2 minutes until it went past my roof line, and i went inside.