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Search results - "G755.5 1.7"
Abell_21_and_NGC_2395.jpg
Abell 21 and NGC 23951207 viewsAbell 21 and the sparse open cluster NGC 2395 (upper left...a few bright stars distinguish it from the star field....barely) are found in the constellation Gemini. Image taken with a modified Canon 40D DSLR and a Takahashi E180 f/2.8 astrograph on a Paramount. Total of 11 hr 20 min exposure (136 x 5 min lights, 30 darks, 64 flats, 64 flat darks) and processed with Images Plus 5.0, PixInsight 1.7, and Adobe Photoshop CS6.
SoapBubbleHaCropfinal.jpg
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).
The_Soap_Bubble_sRGB.jpg
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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