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 SH2-140 Nebula 
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Sh2-140 is an H II region located on the southwestern edge of the dark nebula LDN 1204, in the Bubble of Cepheus, about 900 parsecs (2900 light years) from the Sun. [2] The star responsible for the ionization of the nebula's gases is HD 211880, a blue star on the main sequence; the temperature of the powders would be just 35 K, while its mass would be 600 M? [Text adapted from Wikipedia]

Optics: Takahashi FSQ-106EDXIII F/3.6 383mm. - APO Refractor
Mount: AP Mach1 GTO
Camera: Moravian G3-16200
Filters: Astrodon E Series Gen II LRGB 50mm
Guiding Systems: SX Lodestar
Dates/Times: 2018-2019
Location: Pragelato - Turin - Italy
Exposure Details: L:R:G:B => 180:180:180:180 = > (36x5):(36x5):(36x5):(36x5) All Bin1 [num x minutes]
Cooling Details: -25 C
Acquisition: Voyager
Processing: CCDStack2+, PS CS5
Mean FWHM: -
SQM-L: 19.99 / 20.73