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Ic4148
Here's a shot of IC 5148, a largish (2') planetary nebula in Grus. 15 x 6 min subs at ISO 1600, with an EOS 60Da, SCT10" f/10.
Lots of noise in the background - I'm having trouble matching the sensor temp of the darks with that of the lights. Putting the camera in the freezer while exposing the darks is something I'm trying now :-)
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