The first image shows the interaction with Sh2-233 in the lower left. The second is Sh2-235 cropped.
SH2-235 (interaction with Sh2-233)
- umasscrew39
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SH2-235 (interaction with Sh2-233)
Sh2-235 is a bright HII region, that is part of a larger complex consisting of SH2-231, 232, and 233 in the constellation Auriga. It is odd in that it contains much more SII than OIII. In fact, it contains very little OII; thus, I am presenting an unusual Ha :SII bicolor image. Also, I had a big struggle getting this image as I took it over several nights during moon illumination between 80-99% as it was only a few degrees away from the moon. This led me to throw out over 10 hrs of SII data. Thus, not the best of images, so I need to revisit this area another time.
The first image shows the interaction with Sh2-233 in the lower left. The second is Sh2-235 cropped.
The first image shows the interaction with Sh2-233 in the lower left. The second is Sh2-235 cropped.
Bruce
Astronomy? Impossible to understand and madness to investigate........Sophocles, c. 420 BCE
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Astronomy? Impossible to understand and madness to investigate........Sophocles, c. 420 BCE
StarzantiSkies Observatory
https://www.astrobin.com/users/umasscrew39/
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Re: SH2-235 (interaction with Sh2-233)
nice work , thx .
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Jean-Yves
REFRACTOR , TS-Optics Doublet SD-APO 125 mm f/7.8 . Lunt 80mm MT Ha Doublet Refractor .
EYEPIECES, Delos , Delite and 26mm Nagler t5 , 2 zoom Svbony 7-21 , Orion Premium Linear BinoViewer .
FILTER , Nebustar 2 tele vue . Apm solar wedge . contrast booster 2 inches .
Mounts , berno mack 3 with telepod , cg-4 motorized , eq6 pro belt drive .
“Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.”
― Isaac Asimov
Jean-Yves
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Re: SH2-235 (interaction with Sh2-233)
Always a shame to have to chuck 10 hours of data!!!
But you got a nice image all the same.
BABO
But you got a nice image all the same.
BABO
"In lumine tuo videbimus lumen."
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Scopes: Stellarvue SV80 Raptor Carbon Fiber ED Doublet / Celestron SCT C8
Williams Optics 66mm APO / DIY 8" f/4 Newtonian astrograph / Nikon 180mm f/2.8
Mounts: Orion Atlas EQ-G / Celestron AVX / DIY mini-equatorial
Cameras: QHY163m / Fujifilm X-A1 (modded) / Fuji X-A2 (not modded) / Orion StarShoot Auto Guider
Filters: ZWO 7nm NB set / ZWO LRGB set / ZWO Dual Band / Astronomics UHC
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Re: SH2-235 (interaction with Sh2-233)
I know...but my own fault for being so stupid. I thought I could handle the intense moon glow with pre- and postprocessing, but the frames were simply washed out. A hard lesson to learn but I won't make that mistake again.
Bruce
Astronomy? Impossible to understand and madness to investigate........Sophocles, c. 420 BCE
StarzantiSkies Observatory
https://www.astrobin.com/users/umasscrew39/
Astronomy? Impossible to understand and madness to investigate........Sophocles, c. 420 BCE
StarzantiSkies Observatory
https://www.astrobin.com/users/umasscrew39/
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