COSine Science Fiction Convention 2015

It's ALIVE!!!

While we are taking a break in 2014, COSine will return with a vengeance in 2015.

January 23-25, 2015, Colorado Springs, Colorado

Join us in Colorado Springs at the foot of Pikes Peak for this gathering of science fiction and fantasy fans, authors, and artists. Our program line-up will include a variety of interesting panels, a great art show, video and animé, dealers room, our annual multi-author reception and book raffle, scheduled gaming, and much more. Come help us celebrate the 11th COSine!

COSine is proud to have Nathan Lowell as our Guest of Honor for 2015

Nathan Lowell is the author of the acclaimed Golden Age of the Solar Clipper series, which has been published both as books and as a podcast series.

COSine 2015 will be returning to the same hotel we have been at in the past, now called the Hotel Eleganté Conference & Event Center, located at the south end of Colorado Springs, just off I-25.


Art Show

The art show will feature many outstanding science fiction and fantasy artists and will run every day of the convention. Come view and bid on the amazing artwork, hand-crafted pottery, and more! .

Dealer's Room

COSine is proud to feasture a number of dealers of interest to F&SF readers and gamers.


Video programming will feature a selection of science fiction movies and animé in the evening for you to relax with.


COSine 2015 will feature both scheduled and open gaming this year.

Con Committee and Contacts

If you are need to contact someone regarding:

Making it happen!

As always, COSine is run by members of First Friday Fandom. First Friday includes fans with a variety of convention-running experience. Our members hosted SMOFcon 16 here in Colorado Springs, ten previous COSines, numerous KingCons, as well as Denvention 3, the 66th World Science Fiction Convention which was held in Denver in August 2008.

This site is built and maintained by Robin Monogue. Site design and graphics © 2009-2013 Robin Monogue.
Last updated October 4, 2013