Sh2-115 and Sh2-116 in Cygnus
Sharpless 115 stands just north and west of Deneb, the alpha star of Cygnus constelation. This is faint but interesting in shape and shadows emission nebula that lies along the edge of one of the outer Milky Way's giant molecular clouds, about 7,500 light-years away. Shining with the light of ionized atoms of hydrogen, sulfur, and oxygen. In the picture I used combination of H L R G and B filters. The nebular glow is powered by hot stars in star cluster Berkeley 90. The cluster stars are likely only 100 million years old or so and are still embedded in Sharpless 115. But the stars' strong winds and radiation have cleared away much of their dusty, natal cloud.
Photo Details
Telescope: FSQ106EDX (530 mm) Takahashi
Camera: Sbig ST8300, Filter wheel, Baader 36mm HLRGB filters
Mount: NJP Takahashi
Guiding: Off-axis QHY5
Exposure: H 25x20min, LRGB 22,7,7,7 x 8min
When: August/September 2014
Other information: good transparency, good seeing
Photo Details
Telescope: FSQ106EDX (530 mm) Takahashi
Camera: Sbig ST-2000XM, Filter wheel, Baader 1.25" HLRGB filters
Mount: NJP Takahashi
Guiding: Self-guided
Exposure: HRGB 10h
When: ----
Other information: good transparency, good seeing