Merak II
Merak II was the inhabited second planet of the Merak system in the Alpha Quadrant. It was located less than three hours travel, at top warp speed, from Ardana. 

Plant life on this planet was the source of the oxygen in the atmosphere. 

Prior to stardate 5818, Merak II was admitted as a member of the Federation.

In that year, the planet experienced a bacterial botanical plague. The plague was treated with a toxic ore, known as zenite, which was acquired by the . ()

In 2370, Quark claimed that Elim Garak had ordered a sizing scanner from Merak II from the Ferengi. ()

Appendices

Background information 

This planet's quadrant of origin is inferred based on the position of its star system as seen in the star chart appearing in the  episode .

According to the script for "The Wire", the pronunciation for Merak was "MARE-ak".  However, according to StarTrek.com, the pronunciation for Merak was "MARE-ack". 

According to StarTrek.com, Merak II was a M-class planet.

Apocrypha 
According to FASA's The Federation sourcebook, Merak II is the second planet in the Latis Cyrtiva system.

External links 
 
 

de:Merak II
ja:メラク2号星
Merak 02