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Bubble Nebula983 viewsNGC 7635, also called the Bubble Nebula, is an emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star. The distance is 11,000 light years.
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The Bubble Nebula in Cassiopeia1081 viewsThe bubble nebula, NGC 7635, is a large emission nebula in Cassiopeia. The “bubble” is the result of a stellar wind from a massive young star, which is thought to be 10 to 40 times the mass of our sun. The image exposure time was a total of 12 hours 5 minutes (145 x 5 minutes lights; 33 darks; and 64 flats) with an Astro-Physics 130 mm f/8 refractor and SBIG ST2000xcm ccd camera on an Astro-Physcs 1200 mount.
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The Bubble Nebula942 viewsThe bubble nebula in the constellation Cassiopeia was taken with an Astro-Physics 130 f/8 refractor and an SBIG ST2000xcm camera (cooled to –20o C) on an Astro-Physics 1200 mount. The total exposure time was 10 hrs 5 min (121 x 5 min lights; 33 darks; 64 flats) and the images calibrated, registered, combined and processed in PixInsight 1.8 with final adjustments in Images Plus 5.0 and Adobe Photoshop CC.
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NGC 2359 (Thor's Helmet976 viewsThor’s Helmet (NGC 2359) located 15,000 light years away in the constellation of Canis Major is an emission nebula. The helmet is like an interstellar bubble, blown as a fast wind from the star near the bubble's center sweeps through a surrounding molecular cloud. The photo consist of 3.5 hours of exposure using a Canon 60Da camera at ISO3200 connected to a TPO 8” astrograph (at f/6) mounted on a Celestron CGEM mount. It needs more data, but this was a test run for the TPO astrograph.
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The Celestial Bubble in Cygnus940 viewsThe Soap Bubble Nebula, or PN G755.5+1.7 is likely a faint planetary nebula found in the constellation Cygnus. The faint nebula was discovered relatively recently in 2008 on photographs of the Cygnus region. A cropped hydrogen-alpha image attached. Image was a total of 5 hr 40 min taken with a Takahashi CCA-250 f/5 astrograph with a QSI683wsg camera (Astrodon Gen2 Ha filter 5 nm) on a Paramount on the nights of 2, 4 October 2016 in Mayhill, NM (17 x 1200 sec H-alpha lights @ -20 degrees; 23 darks; 128 flats; 126 bias; processed in PixInsight 1.8.4.1195).
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The Soap Bubble in the Nebulosity of Cygnus827 viewsThe Soap Bubble Nebula, or PN G755.5+1.7, is found in the constellation Cygnus. The Soap Bubble is likely a symmetric planetary nebula, which is the expanding shell of ionized gas ejected from a star late in its lifetime. The faint nebula was discovered relatively recently in 2008 on photographs of the Cygnus region. Image was a total of 17 hr 20 min exposure taken with a Takahashi CCA-250 f/5 astrograph with a QSI683wsg camera (Astrodon Gen2 H-alpha filter 5 nm; O[III] 3 nm) on a Paramount ME on the nights of 2, 4, 5, 21, 25, 26, 29, 30 October 2016 in Mayhill, NM (26 x 1200 sec H-alpha lights @ -20 degrees; 26 x 1200 sec O[III] lights @ -20 degrees; 23 darks; 128 flats of each filter; 126 bias; processed in PixInsight 1.8.4.1195; color assigned in SHO-AIP Red = 90 % H-alpha; G = 10% H-alpha and 100% O[III]; Blue = 100% O[III]).
   
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