m31 – take two

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Now that I have a telescope and proper mount, I decided to re-attempt the m31 – andromeda galaxy photo. I’m still using the Nikon D300 which is limited to 30 second exposures, but I have also added PixInsight to my image stacking and processing toolkit.

For comparison, I’m showing both a single frame and final stacked/processed images from my last session on the left and my current attempt on the right.

first trytake two
imaging cameraNikon D300Nikon D300
guide cameranoneZWO ASI290mm Mini
mounttripodSkywatcher EQ6-R pro
telescopeNikon f/2 17-55mmExplore Scientific ED102 APO
exposure settings10s
iso 6400
iso 800
stacking18 lights
10 darks
5 flats
12 bias/offset
50 lights
40 darks
30 bias/offset
imaging session detailed comparison.
m31 photographed with Nikon D300 and Explore Scientific ED102 telescope in dec 2019.

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