Tuesday, March 12, 2019

The First Clear Sky in 20 days! Result: The Rosetta Nebula!

The Rosetta Nebula
Daystar 480mm f/5 telescope
Canon T3i camera at prime focus UNMODDED
ISO 3200
Total integration time: 51 minutes (18 frames)


For the first time in 20 days I was able to open the observatory and do some imaging. The temp at 8:45 pm Sunday night was 24*F. By the time I ended (1 am Monday morning) the temp had dropped to 10*F ! Glad for my obs "warm room" where it was 43*F. Here are is the "best of the night" image with DeepSkyStacker: The Rosetta Nebula!

The good news here is that I was able, despite the deep cold temps, to get a few 6 and 5 minute "subs" (photos that are part of a stack of images in DeepSkyStacker 4.1.1). These longer exposures capture more photons and thus makes post-processing much more productive.



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