Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
Crescent Nebula - NGC 6888, Chuck's Astrophotography
Crescent Nebula - NGC 6888
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Crescent Nebula - NGC 6888

Crescent Nebula - NGC 6888, Chuck's Astrophotography
Crescent Nebula - NGC 6888
Powered byPixInsight

Crescent Nebula - NGC 6888

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Description

I put 'Ha' in the Red Channel and 'OIII' in the Green and Blue Channels.

I combined data I captured this month with data I captured last year.

Filter: Astronomik OIII

Subs 2018: 183x120" (gain/offset: 139/21)

Subs 2019: 36x240" (gain/offset: 75/15)

Filter: Astronomik Ha

Subs 2018: 147x180" (gain/offset: 139/21)

Subs 2019: 45x240" (gain/offset: 139/21)

Total hours: 18.85 hours

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Crescent Nebula - NGC 6888, Chuck's Astrophotography