The gold was seen within a broader 12m interval containing extensive quartz veining from 362m downhole.
Assays are expected in "coming weeks".
Aston's maiden drilling at Edleston comprises 15 holes for 5000m.
The three drill holes completed are targeting mineralisation located approximately 200m along strike from the main body of Edleston mineralisation and was targeted based on IP chargeability anomalies.
Aston, formerly known as European Cobalt, acquired the project last year, with Aston's managing director Dale Ginn reportedly involved in the discovery of Edleston early last decade.
Previous exploration is said to have outlined a mineralised zone roughly 100m in width with a known strike length of 600m, that extends to a depth of 200m.
Aston had cash at the start of the current quarter of A$7.8 million.
Shares in Aston were up 76.5% to 6c in late afternoon trade, capitalising the company at $52.3 million.
The stock was at 0.8c 12 months ago.
