100%  resolution (2.2MB)

Ha image (1.5MB)

[OIII] image (1.6MB)

DSLR widefield image

Object data of Sharpless 2-170

Object type: Emission nebula
Size: 20' x 20'
Magnitude: -
Constellation: Cas
Distance: 7,500 Ly
Notes: The open star cluster Stock 18 is embedded in Sh2-170.

Exposure data

Date: 2015-10-31 until 2015-12-28 (10 nights)
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1 / Ha 1x1 / [OIII] 1x1
Mount: ASA DDM85
Exposure time: L 40x8min / RGB 12x8min each / Ha 28x16min / [OIII] 26x16min
Exposure time total: 24h 32min
Notes: Image acquisition of Ha in nights around full moon.