Crab Nebula Narrowband by Derek Santiago

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Crab Nebula Narrowband

The Crab Nebula
Imaging Camera: QSI540wsg
Imaging Scope: 10"LX200R at F/10
Guide Camera: SX Lodestar
Mount: Meade 10"LX200R
Filters: Astrodon 5nm Ha,RGB
Exposure: Six hours Ha(10 min subs,binned x 1),three hours each OIII and SII (10 min subs, binned x 2), 90 minutes each RGB (binned x 2)
Ha was mapped to Red, SII to blue, and OIII to green.
Processing: CCD Stack and PS CS2.
Date: 11/7/11 and 11/25/11
Location: My front driveway. Morristown, NJ

Earlier version posted in Sky and Telescope Online Gallery: 2/12

other sizes: small medium large original auto

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