The Horsehead Nebula In Hydrogen Alpha

I had an unexpected clear night recently. So I decided to take the Astronomik Ha 12nm Clip In Filter for a road sky space test. Pointing the telescope towards Orion, I decided to begin gathering data on The Horsehead Nebula.

The Horsehead Nebula

Otherwise known as Barnard 33, this dark nebula gets its name by the striking resemblance to that of a horse’s head. Often (almost always) photographed with it is the reflection nebula NGC 2023. The Horsehead Nebula is a popular winter time target and as such the perfect time to photograph it is late November to January.

Being partly an emission nebula, one popular trick is imaging this nebula in Hydrogen Alpha. Hydrogen Alpha is a narrowband wavelength of light that only allows light from that gas to pass through.The Astronomik Hydrogen Alpha Filter Is Used To Isolate The Hydrogen Alpha Wavelength.

I was able to capture this wavelength due to the generosity of The Widescreen Centre in loaning me the filter for review. The Astronomik 12nm Hydrogen Alpha Clip-In Filter is a heavy weight filter known for being really useful and good with DSLR cameras. So it was perfect for me and my modified Canon 600D.

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