Jellyfish Nebula IC443 in Narrowband
Here is the Jellyfish Nebula in the Hubble Palette....Sulphur II glows Red; Hydrogen alpha glows Green: and Oxygen III glows blue. It's in the constellation Gemini, about 5,000 light years from Earth, and about 70 light years across. It is the remains of a supernova that exploded between 3,000 and 30,000 years ago, and is still expanding at a rate of about 40-100 km/second.
You can see a giant dark molecular cloud between us and the jellyfish, crossing the nebula's waist.
This is the first image I've uploaded from my new observatory near Boxhill, Surrey. The new roll-off was built by Neil Phillipson and his men from Outsideology. They did a fantastic job, and I can't recommend them enough. I'll upload some images of their fine larch-work in a while.
Orion Optics UK AG16 Astrograph: SBIG 11000 M: Paramount ME2 Mount
Data capture with CCD Autopilot and TheSkyX Pro, with Tpoint
Image processing with CCS Stack; Pixinsight; Photoshop CS5
SII 18x 10 mins; H alpha 21x10 mins; O III 18x10 mins
570 mins total: 9hr 30mins, all binned 1x1