M94 or the Cats Eye Galaxy in Canis Venatici, about 16 million light years away, is at the center of a group of 20 galaxies. It has 2 ring structures - One inner and a fainter outer region visible in this image. As Dr. Becky explains in her excellent video on Youtube, 25% of this galaxy's mass is concentrated in these rings. Last month, I had chance to venture out in Bortle 3 zone and I carried my 8" Edge HD to image this galaxy after finding the interesting structures surrounding it.
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Equipment :
Mount - ZWO AM5
Telescope - Celestron Edge HD 8"
Camera - ZWO ASI294MM Pro
Guiding Scope - Celestron OAG
Guiding Camera - ZWO ASI174mm Mini
Acquisition - ZWO ASI Air Plus
Narrowband Filter - Astronomik SHO
EXIF:
Exposure - 60s each for LRGB, 5 min Luminance
Integration - 10 hrs
Gain - 120
Bortle Scale - 4
Software - Pixinsight, Photoshop