Description
Astrodon 6 nm H-a, OIII and E-Series RGB filters. OIII and H-a for the nebula and RGB for G2V balanced stars. Published in Sky and Telescope, 2004.
Image Date: 08/31/2003
Details: Exposure Time: 30 min OIII, 40 min H-a, 10 min each RGB
Camera: SBIG ST-10XME
Telescope: Celestron CPC 1100
Mount: Mountain Instruments MI-250
Details: Exposure Time: 30 min OIII, 40 min H-a, 10 min each RGB
Camera: SBIG ST-10XME
Telescope: Celestron CPC 1100
Mount: Mountain Instruments MI-250