Deep Sky Photography with digital cameras

CCD Astrophotography by Jürgen Stein

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M27 (Dumbbell Nebula) - Bicolor

M27 (Dumbbell Nebula) - Bicolor

Image orientation: North is on the left side.

Exposure Data:

Date: 15.+16.18.+27.+31.7.+2.8.2013
Telescope: Newtonian 250mm with ASA Reducer @ f/3.6 on Mesu Mount 200.
Camera: MI G2-8300FW @ -25°C
Exposure: LRGB with L = Hα + OIII, R = Hα, G=B=OIII. Hα = 42x600s, OIII=33x900s. No binning.
Location: Rhein-Main area, Germany. Sky brightness about 19.5-20.1 mag/arcsec^2.
Note: Guided with MI G0-0300 guider on Lacerta OAG.
Processing: Maxim DL, Pixinsight, Photoshop CS3