Dumbbell Nebula (M27)

Posted: Nov 3rd, 2025

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NGC

Technical Info

Telescope/Lens: Levenhuk Ra R72ED 72/432

Camera: Player One Arec-M Pro

Mount: Sky Watcher AZ-GTi

Software: N.I.N.A., Siril, GIMP

Accessories: Svbony multiple 5-filter wheel 1.25"

Exposure:

50 x 10" ISO/Gain: 130 - Explore Scientific OIII 1.25"

25 x 10" ISO/Gain: 130 - Baader H-alpha 1.25"

25 x 10" ISO/Gain: 130 - Svbony UV/IR cut 1.25"

White, Bortle 8/9 zone:

Moskva, Russia

Sep 21st, 2025

17 m

207

Resolution: 2134x1700 px

Scale: 7775 KB

Maxim Chulkov

My first experience shooting a deep space object through narrowband filters on a monochrome camera. The shooting was done at a sensor temperature of 0°C. The color was formed according to the HOO (bicolor) mapping, added on top of the luminance channel, which was shot through a UV/IR cut filter. Unfortunately, the OIII filter produces large halos around stars, so they had to be removed in this color channel.

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