First I saw a dark candle on 3 min chart looking like a Bullish Dark Hammer, by the time it closed 13.24pm it was obvious to me that it hasn't formed the right shape, I noted the volume at the time 13,064 (3 min chart) which confirmed that there was sufficient support from the low of 1308.00. I decided to wait for the 5 min candle to close.
When the candle closed on 5 min chart 13.25pm it has taken shape of a Bullish Dark Hammer, the low was within 1.5 points from S1 level, the following candle showed some buying activity forming. I had T&S open and there were quite steady blocks going through hitting the Offer. That Hammer formation + increase in volume suggested that we are about to go out of the chop zone. ES has come down from the highs of 1316.25 down to 1309 level, and yes from my past observations/experience it was a sufficient retreat to start forming an upward move. I still decided to wait for a confirmation on a 15 min candle close.
15 min candle close @ 13.30pm confirmed formation of a Bullish Dark Hammer. RSI was below 30 and slightly raising upwards.
That's about it, apart from that, my stop was placed at 1 tick below the low of the Hammer (@ 1307.75).
Partly, I must admit, it was a gut feeling, that it was the right time to enter into a trade. I don't think there ever is a perfect time to enter into a trade as market behaviour is quite random throughout the day, looking at T&S prices that is, that affect formation of the price bars.
I am a bit surprised to hear that there was no Bullish Dark Hammer

I'll keep re-reading this thread until I get it.
Quote from NihabaAshi:
Hi romik,
What was your pattern signal if you don't mind sharing what you saw besides what you mentioned earlier about the 6 point drop requirement?
Looking at your charts...I don't see any Hammer patterns that would have caught my eye.
I see other stuff not related to Japanese Candlesticks and I was wondering if you had other confirmations besides those Hammer Lines.
Thanks for the charts.
Mark
(a.k.a. NihabaAshi) Japanese Candlestick term