By Nancy Reeves | 2022-03-17
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On 03/15/2022 04:30 am by David Hoskin | Halifax, Nova Scotia, Canada
The Tulip Nebula (Sharpless 101), imaged last week, is an emission nebula in the constellation Cygnus. The nebula is about 70 light years across and 8,000 light years from Earth. Cygnus X-1, which is one of the strongest X-ray sources in our sky and the location of a black hole, is also in frame.
Celestron 150mm XLT f/5 reflector, ZWO ASI533MC Pro camera with Optolong L-eNhance filter, SkyWatcher EQ6R Pro mount.
20 8-minute lights plus calibration frames were stacked using ImagesPlus; other post-processing was with Photoshop CS2 plus Astronomy Tools plugin, StarNet++ v2, ImagesPlus, and MS Photo.
