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The Double Cluster in Perseus – NGC 884 and NGC 869

Object Name:  NGC 884 and NGC 869
Object Type:  Open Cluster
Constellation: Perseus
Acquisition Date: October 23, 2019
Location: Tierra del Sol, San Diego County, California
Equipment:
• Imaging Scope – Takahashi FSQ-106 EDX IV
• Imaging Camera – ZWO ASI1600MM-C with EFW2
• Filters – Baader 36mm unmounted red, green and blue filters
• Guiding – Borg 77ED with ZWO ASI120MM-S
• Mount – Astro-Physics 900GTO
Camera Control – Sequence Generator Pro
Guider control – PHD2
Acquisition Details:
• Imaging Camera – gain 76, offset 15 – cooled to -15
• Exposures – 39 x 120 seconds for each red, green and blue filter
Processing:
PixInsight and Photoshop CC were used to process the images.
• PixInsight –
⁃ Image calibration, alignment and integration
⁃ Image integration using PixInsight’s Local Normalization feature
⁃ 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.

The Double Cluster in Perseus
Posted in CMOS Camera Image, Star Clusters

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