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NGC 6888 The Crescent Nebula Ha *the brain*, Terry Hancock

NGC 6888 The Crescent Nebula Ha *the brain*

NGC 6888 The Crescent Nebula Ha *the brain*, Terry Hancock

NGC 6888 The Crescent Nebula Ha *the brain*

Description

I think this will do it, I captured a few more 20 minute sub exposures last night, this is now 3 hours and 20 minutes sub exposures in Ha (hydrogen alpha) using the QHY9 CCD Camera mounted on the TMB130 refractor

Hydrogen Alpha

Location: DownUnder Observatory, Fremont MI

Date of Shoot 4th, 5th and 6th June 2011

Camera: QHY9M monochrome CCD

10 x 20 min sub exposures with 20 each dark and bias frames.

Scope: TMB 130SS using WO/TMB 68mm Field Flattener.

Autoguided: using QHY5 autoguider

Paramount GT-1100S German Equatorial Mount (with MKS 4000)

Image processed with Photoshop CS3

Comments

Histogram

NGC 6888 The Crescent Nebula Ha *the brain*, Terry Hancock