Sh2-88 SII Ha OIII
Sh2-88 SII Ha OIII Narrowband Version
SH2-88 also known as LBN 139 is an area of nebulosity in the constellation Vulpecula about 7,800 light-years away. It contains three separate star forming regions about 1 minute in diameter. The first began in a diffuse large nebula Sh 2-88A, then spread to the compact HII region Sh 2-88B1, ionised by an O8.5-9.5 V star, and then finally spread to the ultracompact Sh 2-88B2.
Fullsize
Link to HaRGB Version
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Ha 22 X20min Subs 440min
SII 22X20min Subs 440min
OIII 22X20min Subs 440min
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Scope Planewave 17in
Camera Apogee U16
Mount Paramount ME
Filters Astrodon Ha OIII SII
Exposures Ha7.3hrs OIII7.3hrs SII7.3hrs Ha OIII SII 20min subs Total 22hrs
Location Sierra Nevada Mountains CA. Heavens Mirror Observatory SRO 2013