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Object: NGC 7293 Helix Nebula - Constellation Aquarius

Distance: 695 light years

Date(s) Taken: Various Dates from Aug 19 through Nov 21, 2011

Telescope: Takahashi TSA 102S with Field Flattener

Focal Length: 800 mm

Camera: ST 2000 XM, Operating at -15 deg C sensor temperature

Resolution: 1.91 Arc-seconds / Pixel

Exposures: 17.8 hours total duration

21 Luminance- 10 Minute Images binned 1x1

19 Red - 10 Minute Images binned 1x1

21 Green - 10 Minute Images binned 1x1

19 Blue - 10 Minute Images binned 1x1

9 H-alpha - 30 Minute Images binned 1x1

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