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Kfir Simon | all galleries >> Galleries >> narrowband > The California nebula Hubble color mapping
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The California nebula Hubble color mapping

This is the "First light" with my William optics GT81 with X0.8 reducer.
The focal length is 380mm yielding a FOV of almost 3X2 degrees in the sky.

The central part of the nebula was enhanced with some older data from a 10" Newtonian.

William optics GT81 with X0.8 reducer
SBIG ST-8300M with FW7 filterwheel
Ha-O3-S2 Baader 36mm filters
ASA DDM60 mount - NO guiding

Ha- 10 Hrs (BIN 1)
S2- 3 Hrs (BIN 2)
O3 - 3 HRs (BIN 3)

Total of 16 HRS

Imaged from my home observatory in Gan-Yavne, Israel

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Date/Time09-Dec-2014 22:11:06
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