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Michael A. Stecker
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| WR 134 in Cygnus using HOO-RGB palette |
![]() WR 134 in Cygnus using HOO-RGB palette This cropped image of the WR134 region of Cygnus was jointly done by James Foster and Michael Stecker using a 10-inch f/4 Newtonian telescope and ZWO ASI6200MM-Pro monochrome camera in the HOO-RGB palette. WR 134 is a variable Wolf-Rayet star located about 6,000 light-years away. This star is bright and massive, having a radius five times greater than our own Sun, and 400,000 times more luminous. Surrounding the star is bubble-like nebula blown by the intense radiation and fast stellar wind from the star. file: WR140Gain100-HOO2colorSTARS_reg-1fcrdsm.jpg Click here for full resolution photo Photographic Data Date: September-October, 2025 telescope: Sky-Watcher Quattro 250P (10-inch f/4 Newtonian telescope with coma corrector) FL= 1,000 mm mount: iOptron Cem60 guiding off-axis imaging cameras, filters & exposures: ASI6200MM camera: Hydrogen-alpha (3 nm): 168 min Oxygen-III (3 nm): 561 min All subs: 420 seconds ZWO ASI2600MC-Pro color camera using HOO-RGB:Color only: 102 min exposure (100 sec subs) ZWO ASI2600MC-Pro color camera with Optololong L-eXtreme nebular filter: 83 min exposure (160sec subs) filters: Hydrogen-alpha (3nm): 168 min , Oxygen-III (3nm): 561 min, and RGB from color camera .photographic site: James Foster observatory at Pinon Pines Estates (Frazier Park) California (Bortle 4 at 5,500 ft elevstion) WR 134 in Cygnus using Hubble Palette (SHO) ![]() WR 134 in Cygnus using Hubble Palette (SHO) Here is WR134 in Cygnus using the same equipment as above but with the Hubble Pallette filters -- SHO (Sulfur-II as red, Hydrogen-alpha as green and Oxygen-III as blue). Shot with a Skywatcher 10-inch f/4 Newtonian telescope with a ZWO ASI6200MM-Pro monochrome camera. Exposures were Sulfur-II: 210min, Hydrogen-alpha: 68min & Oxygen-III: 58min for a total exposure of just under 16-hours. file: WR140Gain100-SHO3A-1cr1sm.jpg Click here for full resolution photo Photographic Data Date: September-October, 2025 telescope: Sky-Watcher Quattro 250P (10-inch f/4 Newtonian telescope with coma corrector) FL= 1,000 mm mount: iOptron Cem60 guiding off-axis imaging cameras, filters & exposures using Hubble Palettte (SHO): ASI6200MM-Pro monochrome camera with filters -- Sulfur-II: 210 min (as red wit 420 sec subs) Hydrogen-alpha: 168 min (as green with 420 sec subs) Oxygen-III: 561 min (as blue with 420 sec subs) and RGB color data (for stars) from ASI2600MC-Pro color camera: Color camera with no filter: 102min Exp (100 sec subs) Color camera with Optolong L-eXtreme dual band nebular filter: 83 min Exp (160 sec subs) Total expxosure time: 1,124 minutes or 18.73 hours photographic site: James Foster observatory at Pinon Pines Estates (Frazier Park) California (Bortle 4 at 5,500 ft elevstion) |