Deep Sky Photography with digital cameras

CCD Astrophotography by Jürgen Stein

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IC5146 (Cocoon Nebula)

IC5146 (Cocoon Nebula)

Image orientation: North is on the left side.

Telescope: Newtonian 250mm @ f/4.8 on Losmandy G11 mount
Camera: MI G3-8300FR @ -25°C.
Exposure: (L+Hα) - L (R+ Hα)GB. L - 16x600s, Hα - 5x600s, R - 4x600s, GB each 5 x600s. No binning. Total exposure time: 5h50m..
Note: Guided with Pentax 75SDHF and ST-2000XM.
Location: Rhein-Main area, Germany.