The Dumbbell Nebula – M 27

Dumbbell Nebula (M27) is a planetary nebula that surrounds a white dwarf. It is located in the constellation Vulpecula. It is 1360 light years away. It was discovered by Charles Messier in 1764. It is easily visible in telescopes and is a popular target for observations. Brightness of visual magnitude 7,5.

Telescope ASA 10″ F/3.6 10N ASTROGRAPH OTA
Focal length 900 mm
Mount DDM 85
Imaging camera Atik 460EX mono
Guiding cameras  –
Guiding optics  –
Focal reducers ASA 3″ Wynne Corrector 0,85x
Constellations Vulpecula
Distance 1360 light years
RA center 19h 59′ 36″
DEC center +22°43′ 16″
Location taken Slovakia
Date taken 08/2022
Pixel scale 1.04 arcsec/pixel
Filters Astronomik Ha 6nm ,
Astrodon OIII 5nm,
Astrodon RGB,
Exposure 80×300 s.  Ha filter
65×300 s.  OIII filter                                      200×30 s. L filter
200×30 s. R filter
200×30 s. G filter
200×30 s. B filter
Total exposure cca.19 hours
Processing software PixInsight, CCD Inspector

Dumbbell Nebula (BICOLOR/RGB) was captured using Hydrogen-alpha H-α 6nm (656.3 nm), Oxygen OIII 5nm (500.7 nm) and RGB filters (colored stars).
This planetary nebula is a frequent object for many astrophotographs.