Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
SH2-200 (40-Hr Narrowband from Silicon Valley Backyard), Kai Yang
SH2-200 (40-Hr Narrowband from Silicon Valley Backyard)
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SH2-200 (40-Hr Narrowband from Silicon Valley Backyard)

SH2-200 (40-Hr Narrowband from Silicon Valley Backyard), Kai Yang
SH2-200 (40-Hr Narrowband from Silicon Valley Backyard)
Powered byPixInsight

SH2-200 (40-Hr Narrowband from Silicon Valley Backyard)

Equipment

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Acquisition details

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Description

This image is taken from my backyard observatory located in the white zone of Silicon Valley, California.
SH2-200 is a beautiful but faint planetary nebula and it looks a lot of exposure time to bring up the detail.
This image takes 25 hours of Ha data (3nm) and 16 hours of O3 data (also 3nm).  Several hours of RGB for star colors.
Took me 10+ nights and throw away about 1/3 of the frames due to bad seeing.

Process with PI.
This is also the first time I use both NoiseXTerminator and BlurXTerminator, it works like magic.
Overall I am very happy with the result - from the standard of imaging in the white zone.

I image with my old 8300 CCD. Keep debating if I should switch to a newer CMOS-based camera, any suggestion ?

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Sky plot

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SH2-200 (40-Hr Narrowband from Silicon Valley Backyard), Kai Yang