Probably not, Bill.
You mentioned "deep sky" and to me that says a bigger objective. The least expensive way to collect light is via a reflector. You might consider moving into the 8" or 10" mirror size.
If you want a rich field refractor the best bets in your budget range are the Orion (Skywatcher/Synta) 100mm or 120mm shorter focus refrators. These can be a lot fun used for sweeping through star fields or examing clusters. However, neither will see as faint as your current 6"
Why did you specify refractor?
Larry
You mentioned "deep sky" and to me that says a bigger objective. The least expensive way to collect light is via a reflector. You might consider moving into the 8" or 10" mirror size.
If you want a rich field refractor the best bets in your budget range are the Orion (Skywatcher/Synta) 100mm or 120mm shorter focus refrators. These can be a lot fun used for sweeping through star fields or examing clusters. However, neither will see as faint as your current 6"
Why did you specify refractor?
Larry