Star is a 3-day pattern. The day 2 features doji while day 1 and day 3 features a large candle.
Bullish signal:
Here is an exmample:
price <- MSFT['2013-06-09/2013-06-18'] candleChart(price, theme='white')
Bearish Signal:
price <- MSFT['2011-11-01/2011-11-11'] candleChart(price, theme='white')