Nebulae  Back to Photo Gallery - Nebulae
 Between SH2-91 and SH2-92 
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About:
Flying in the swan head between SH2-91 and SH-92, an ancient supernova remnant composed of countless filaments of ionized hydrogen and oxygen. .



Pubblications "Flickr" Explore - July 5, 2020
Optics: Takahashi FSQ-106EDXIII F/5 530mm. - APO Refractor
Mount: AP Mach1 GTO
Camera: Moravian G4-16000 Mark II
Filters: Astrodon E Series Gen II LRGBHA 50mm squared
Guiding Systems: SX Lodestar
Dates/Times: June 2020
Location: Pragelato - Turin - Italy
Exposure Details: Ha:R:G:B => 150:30:30:30 = > (10x15):(10x3):(10x3):(10x3) [num x minutes]
Cooling Details: -25 C
Acquisition: Voyager Astrophotography Automation
Processing: CCDStack2+, PixInsight, PS CC
Mean FWHM: 1.21 / 2.05
SQM-L: 20.99 / 21.18