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DSLR widefield image

Object data of Sharpless 2-90

Object type: Emission nebula
Size: 6'
Magnitude: -
Constellation: Vul
Distance: 7,000 Ly



The Sh2-90 complex, located  in constellation Vulpecula, is an optically visible irregularly shaped HII region. This HII region is a part of the Vulpecula OB association (Turner 1986). The main exciting source of the nebula is uncertain. Near the bottom border in the above image one can find another Sharpless nebula: Sh2-89.

Exposure data

Date: 2015-08-07+08+10+12+13+22+25+26+27+31
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1 / Ha 1x1
Mount: ASA DDM85
Exposure time: L 42x8min / R 14x8min / G 14x8min / B 14x8min / Ha 54x8min
Exposure time total: 18h 24min
Notes: Image acquisition of Ha in nights around full moon.