Tag Archives: Elephant’s Trunk

Optolong L-eXtreme filter for Astrophotography

L-extreme Optolong

An image of the Elephant’s Trunk nebula in IC1396 taken with the Optolong L-eXtreme filter. The Optolong L-eXtreme filter for astrophotography is dual band, allowing one shot colour cameras (OSC) to capture H-alpha and Oxygen III wavelengths at the same time. I was fortunate enough to have Optolong send me an L-eXtreme filter for testing. […]

Elephants Trunk Nebula in narrowband H-alpha

Ic 1396 Elephants Trunk Nebula in Hydrogen Alpha narrowband astrophotography. Shawn Nielsen 2014

Another image taken in July 2014. This time I was collecting narrowband Ha (H-alpha) data on the Elephants Trunk Nebula within the larger emission nebula region of IC 1396. I feel the most extraordinary thing about this image is that it was taken from within a regional area consisting of 3 cities (population of 500,000), […]