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Messier 81, Messier 82 and NGC 3077

Object Name:  Messier 81 (bottom center), Messier 82 (top center) and NGC 3077 (lower left)
Object Type:  Galaxy
Constellation: Ursa Major
Acquisition Date:  January 24-25, 2020
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 – 33 x 180 seconds for each R, G and B color channel.  Total exposure time = 4.95 hours.
Processing:
PixInsight and Photoshop CC were used to process the images.
• PixInsight –
⁃ Image calibration, alignment and integration
⁃ HistogramTransformation for histogram adjustment
• Photoshop –
⁃ additional adjustments to histogram and color balance

Click on the image below to see a larger version. Thanks for looking.

Messier 82, Messier 82 and NGC 3077
Posted in CMOS Camera Image, Galaxies

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