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M33, spiral galaxy In Triangulum, One 30 min. exposure


M33, 1x30m calibrated with 22 10m darks, 31 bias, and 29 flats.

From the album:

2nd Album

· 19 images
  • 19 images
  • 9 image comments

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Great shot. Is that a recognized technique to use a single light frame with lots of calibration frames, or were you experimenting. I know you can't take out the noise, but looks good. What camera were you using?

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