#Second attempt at Orion Nebula still strong walking noise

22 messages · Page 1 of 1 (latest)

mellow cosmos
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Don't know what to do about the walking noise tried to dither every 10 photos didn't work

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600 lights 100 darks 30 flats 70 biases 0,5 sec exposures

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untracked

trail talon
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what scope

mellow cosmos
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Bresser Messier 5" Dob

zinc gazelle
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@mellow cosmos did you take calibration frames? (especially bias frames)

mellow cosmos
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Yes I used 100 darks 70 biases and 30 flats

zinc gazelle
# mellow cosmos Yes I used 100 darks 70 biases and 30 flats

ok last question: do you remember how you were moving the tripod around to make sure the target was in frame? Were you constantly moving it in a semi-straight line, always trying to keep the Orion nebula as centered as possible, or was the manual "tracking" done more randomly (i.e. Orion wasn't really in the middle and was moving all over the frame during the course of the night)?

zinc gazelle
mellow cosmos
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I moved it every 10 shots so the nebula wasn't in the center of the frame

zinc gazelle
# mellow cosmos I moved it every 10 shots so the nebula wasn't in the center of the frame

maybe I didn't ask the question right: what I want to know is, from the perspective of the camera, was the Orion Nebula moving in a straight line? Like if you would to combine all of your lights without registration (aligning all of the photos so the subs overlap and stack properly), would the blend of all of those subs make roughly a line or would it be more random?

mellow cosmos
zinc gazelle
mellow cosmos
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Right? It doesn't make sense maybe there is something in the settings?

mellow cosmos
zinc gazelle
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so I'm probably no help there

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Although from what I can see, there are some dead pixels on the right. I'm not 100% sure, but I think dark frames are supposed to remove them...

mellow cosmos
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I'll try to reset the settings and stack it again

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Because I changed them from the defaults when I tried to stack Andromeda

mellow cosmos