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Emission Nebula Sharpless 2-199, Open Cluster IC 1848, et al.

Object Name: The emission nebula Sharpless 2-199 isthe large two-lobed object in the center of the frame.  The open cluster IC 1848 , is near the right edge of the right lobe.  The open cluster Collinder 34 can be seen in the upper part of the left lobe.  Sharpless 2-199 is a very large object.  Astronomers belive it is about 100 light years across.  Also seen in the frame are Sharpless 2-201 [the bright object at the left side of the frame] and Sharpless 2-198 [the bright object to the lower right of Sharpless 2-199].
Object Type:  Emission Nebula, Open Cluster
Constellation: Cassiopeia
Acquisition Date:  October 26, 2018, November 2, 2019
Location: Tierra del Sol, San Diego County, California
• Imaging Scope – Takahashi FSQ-106 EDX IV with Takahashi 0.6x reducer
• Imaging Camera – ZWO ASI1600MM-C with EFW2
• Filters – Baader 36mm hydrogen alpha filter, 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 – 10/26/18 – 80 x 240 sec., 11/2/19 – 62 x 270 sec.  Total exposure time = 10 hours
PixInsight and Photoshop CC were used to process the images.
• PixInsight –
⁃ Image calibration, alignment and integration
⁃ MultiscaleLinearTransform for noise attenuation
⁃ HistogramTransformation for histogram adjustment
• Photoshop –
⁃ additional adjustments to histogram and color balance
Thanks for looking.  Click on the image below for a higher resolution version.

Posted in Bright Nebula, CMOS Camera Image, Star Clusters

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