Click on the image for a full resolution version   Gum 10 is an often overlooked nebula. Being quite isolated in an otherwise quite dull region, Gum is part of a giant molecular cloud (with approximately about 200,000 solar masses) and related to the O7f III giant star HD 69464 (the bright blue star near … Continue reading Gum 10. Wray 19-5. RCW 19