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NGC 6888 The Crescent Nebula more HA (1 hour 40 mins), Terry Hancock

NGC 6888 The Crescent Nebula more HA (1 hour 40 mins)

NGC 6888 The Crescent Nebula more HA (1 hour 40 mins), Terry Hancock

NGC 6888 The Crescent Nebula more HA (1 hour 40 mins)

Description

I managed to shoot another hour of 20 minute sub exposures in Ha last night and combined with the earlier 40 minutes. Quite a noticeable difference I think.

I will combine this with the RGB and see what happens.

Location: DownUnder Observatory, Fremont MI

Date of Shoot 4th and 5th June 2011

Camera: QHY9M monochrome CCD by www.astrofactors.com

5 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 by www.astrofactors.com

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

Image processed with Photoshop CS3

Comments

Histogram

NGC 6888 The Crescent Nebula more HA (1 hour 40 mins), Terry Hancock