Mean Rosette 11x900 Ha_b.jpg by Alan Smallbone

Alan Smallbone | all galleries >> Astrophotography >> STL-11000 images > Mean Rosette 11x900 Ha_b.jpg


01-JAN-2009	Alan Smallbone

This is 11 exposures, each 15 minutes, with a Borg 125SD with 0.85x reducer for a focal length of 667mm at f5.6, using a Astronomik Ha 13nm filter.

SBIG STL-11000 with IDAS RS LRGB filters,Borg 125mm f5.6

other sizes: small medium large original auto

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