Elephant's Trunk Nebula in SHO palette.

Posted: Oct 3rd, 2025

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Technical Info

Telescope/Lens: Sky-Watcher 300/1500

Camera: ZWO ASI 294MM-Pro

Mount: iOptron CEM70

Guide Scope: SW EVOGUIDE 50ED

Guide Camera: ZWO120-mini

Software: NINA, PixInsight, GraXpert, PhotoShop

Exposure:

18 x 240" ISO/Gain: 121 - Ha

18 x 240" ISO/Gain: 121 - OIII

18 x 240" ISO/Gain: 121 - SII

Green zoneLight Pollution:

Novoe Dubovoe, Russia

Oct 3rd, 2025

3 h 36 m

204

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Resolution: 2000x2797 px

Scale: 2642 KB

Alexander Zaitsev

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Comments

It looks like you need at least 10+ hours of exposure. With a small number of hours, it's probably better not to use noise reduction at all to avoid making the image look smeared.

3 Oct, 2025 Reply

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