Imaging telescopes or lenses: CANON 200 f/2.8
Imaging cameras: SBIG STT 8300M
Mounts: Losmandy G11
Guiding telescopes or lenses: Orion Finderscope 9x50
Guiding cameras: Starlight Xpress Lodestar
Filters: Astrodon Ha 5nm
Heart nebula - stt-8300m + 5nm astrodon Ha + canon 200 f/2.8L @ f/2.8
focus is difficult at f/2.8 but since the lens only has to focus one frequency, it's possible to use it wide open and get sharp stars. with OSC i used to run this at f/4.
rev B with 5 more frames (+25min) and background extraction
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