Fans who have dreamed of meeting Richard Dean Anderson (“Jack O’Neill”) and Amanda Tapping (“Samantha Carter”) have chance to do just that — and support the Waterkeeper Alliance. Up for auction is an opportunity to visit the set of Stargate SG-1 in Vancouver and to have lunch with the two actors, as well as a chance to have lunch with other SCI FI Friday stars.The “Defend Every Drop” online auction benefits the Waterkeeper Alliance, an organization dedicated to preserving and protecting the world’s water resources, and an organization for which Anderson serves on the board of trustees.The auction’s winner will also receive a beautiful, handcrafted wooden paddle signed by Richard Dean Anderson and Amanda Tapping, and Stargate SG-1 co-stars Michael Shanks (“Daniel Jackson”), Christopher Judge (“Teal’c”), Don S. Davis (“George Hammond”), Teryl Rothery (“Janet Fraiser”), Gary Jones )”Walter Harriman”), Dan Shea (“Siler”), Colin Cunningham (“Paul Davis”), Tony Amendola (“Bra’tac”) — and Robert F. Kennedy, Jr., president of the Waterkeeper Alliance.Other items available for auction include:

Lunch with Stargate Atlantis leading man Joe Flanigan (“John Sheppard”) on the Vancouver set of the series, and a paddle signed by the Atlantis cast.

Lunch with Stargate SG-1 star Ben Browder (“Cameron Mitchell”) on the Vancouver set of the series, and a paddle signed by the SG-1 cast.

Lunch with Battlestar Galactica‘s Edward James Olmos (“William Adama”) and Katee Sackhoff (“Kara ‘Starbuck’ Thrace”) on the set of Galactica, and a paddle signed by the Galactica cast.To place your bids, you must register at the Charity Folks Web site. Bidding is now open, and runs until April 20. Good luck!(Thanks to Morjana for the tip)