Sh2-115 Sharpless East
Sh2-115 Eastern Section Nebula
Selected by NASA for Astronomy Picture of the Day
Sh2-115 is an emission nebula in the constellation Cygnus. It is approximately 7500 light years away. The open star cluster in this is known as Berkeley 90. This object is located about 2.5 degrees Northwest of the bright star Deneb.
Fullsize
Sh2-115 Narrowband Ha SII OIII Same data from above mapped Ha=R SII=G OIII=B and rotated 180 deg
Fullsize
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Sh2-115 20min Ha Subframe
Sh2-115 Ha Subframes x 23 = 460 min combined image
Sh2-115 20min OIII Subframe
Sh2-115 OIII Subframes x 16 = 320 min combined image
Sh2-115 20min SII Subframe
Sh2-115 SII Subframes x 17 = 340 min combined image
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Scope Planewave 17in
Camera Apogee U16
Mount Paramount ME
Filters Astrodon Ha5nm OIII3nm SII5nm
Exposures Ha 7.6 hrs OIII 5.3hrs SII 5.6hrs 20min subs Total 18.5Hrs
Location Sierra Nevada Mountains CA. Heavens Mirror Observatory SRO 2012