Helix Nebula
- TJ Connolly
- Dec 20, 2020
- 1 min read
The Helix Nebula, a planetary nebula located in the constellation Aquarius. It is approximately 655 light years away from earth. A planetary nebula is an emission nebula consisting of an expanding, glowing shell of ionized gas ejected from a red giant star.
Image Details:
Celestron 9.25” EdgeHD with a .7x reducer at 1645mm focal length.
Celestron CGEM DX mount on a SkyShed Pier in a SkyShed POD.
ZWO ASI2600mc-pro Imaging Camera
ZWO ASI224mc Guide Camera
Svbony 60mm Guidescope
ZWO ASIair Pro for image acquisition and gear control.
Image Specs:
70 x 300 second exposed images at Gain 100
Camera sensor cooled to -20°C
Optolong L-eXtreme filter (7nm Ha and 7nm Oiii)
Calibrated (with darks, flats, dark flats) and stacked in Astro Pixel Processor and post processed in PixInSight.
Comments