Category Archives: 2014

IC 2118 The Witch Head Nebula

IC 2118 The Witch Head Nebula. Shawn Nielsen 2014

IC 2118 The Witch Head Nebula has long been a night sky target I’ve wanted to photograph. It’s a challenging object due to how extremely faint it is and how large it is. A very wide field-of-view is needed to fit all of it in the frame. I’ve attempted to image the Witch Head Nebula […]

NGC 7023 Iris Nebula city vs rural astro imaging

Experimental image of the Iris Nebula NGC 7023 QHY8 CCD and Zenithstar 71mm APO. Shawn Nielsen 2014
An experiment involving 3 hours of data on the same deep sky object to compare city vs rural astro imaging. One of the draw backs of living in a mid-sized city is the light pollution. Everyone has their porch lights on even though they are inside asleep, and poorly designed street lights create glare and [...]

Cygnus Wall in NGC 7000 Nebula (Narrowband)

Cygnus Wall in NGC 7000. Shawn Nielsen, 2014

This is 5 hours of H-alpha and Oxygen 3 data combined to produce a false colour image of the Cygnus Wall in NGC 7000. A variant of the Hubble palette colour profile was applied. This image consists of three hours of hydrogen-alpha (Hα) images and two hours of OIII data. The Hα frames were captured […]

NGC 6960 The Witche’s Broom

NGC 6960 Th Witch's Broom. Shawn Nieslen 2014

NGC 6960 is a supernova remnant. The source supernova is believed to have exploded between 5000 and 8000 years ago. It is the western part of the Veil Nebula in the constellation, Cygnus the swan. This filamentry nebula is also known as the “Witch’s Broom” due to it’s striking resemblance of such. This portion of […]