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NGC 281 in Hydrogen Alpha

Object Name:  NGC 281
Object Type:  Emission nebula with embedded open cluster.
Constellation: Cassiopeia
Acquisition Date: October 19, 2019
Location: Tierra del Sol, San Diego County, California
• Imaging Scope – Takahashi FSQ-106 EDX IV
• Imaging Camera – ZWO ASI1600MM-C with EFW2
• Filters – Baader 36mm unmounted hydrogen alpha filter with 7 nm bandpass
• Guiding – Borg 77ED with ZWO ASI120MM-S
• Mount – Astro-Physics 900GTO
Camera Control – Sequence Generator Pro
Guider control – PHD2
Acquisition Details:
• Imaging Camera – gain 200, offset 50 – cooled to -15
• Exposures – 68 x 270 seconds
PixInsight and Photoshop CC were used to process the images.
• PixInsight –
⁃ Image calibration, alignment and integration
⁃ Light application of MultiscaleLinearTransform on image for noise attenuation – 3 wavelet layers
⁃ HistogramTransformation for histogram adjustment
• Photoshop –
⁃ additional adjustments to histogram and color balance
Thanks for looking. Click on the images below for higher resolution versions.  The second image below was created using mono_starnet++.

NGC 281 Wide FIeld in Hydrogen Alpha Light

Posted in Bright Nebula, CMOS Camera Image

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