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Crab-HaOIIIOIII

After M33 got into the trees from my yard I had a couple of hours before dawn so I shot an hour each of OIII & Ha on the Crab nebula. Definitely needs more and I probably should've switched to the longer focal length scope, but the interactions between the hydrogen and oxygen are starting to show nicely.

 

Scope: Orion EON80ED

Camera: Atik 314L+

Filters: Astronomik Ha, OIII

Exposure: 3x1200s each

mapping: Ha-OIII-OIII

 

I'll slowly add to this over the season and shoot it on the long FL scope too

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Uploaded on September 29, 2011
Taken on September 29, 2011