Hydrogen Alpha images
The following images have all been taken through an Astronomik 13nm Ha filter. All with a Williams Optics Zenithstar 80ed & an Artemis 285 ccd camera.
January 2007
M42 the Orion Nebula

NGC 2244 area, the Rosetta Nebula

As above but in false Ha colour.

NGC 2024 and IC434, Horsehead and Flame

This was taken using a 0.5 Rini focal reducer. 20 X 300s 2x2 binned.
February 2007
M1 The Crab Nebula.

20 x 300s subs. 1x1 binning, 0.5 Fr giving a focal length of 349mm
IC 443 The Jellyfish Nebula

10 x 300s subs 2x2 binned
IC 405 The Flaming Star nebula in Auriga

3 x 300s subs (clouds moved in) 2x2 binned
IC 410 emission nebula in Auriga
around open cluster NGC 1893

10 x 300s subs 2x2 binned