Saturday 13 October 2012

The Cocoon Nebula, NGC5148 and B33, the Horsehead Nebula

Exposure times were 25 min for each of the RGB filters and 3h with the H-alpha filter:


The Horsehead Nebula, B33 was made from 20 min exposures for each of the RGB filters and 2h with a Lumicon H-alpha filter: