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The Heart Nebula IC 1805 Hubble Palette APOD | by Terry Hancock www.downunderobservatory.com
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The Heart Nebula IC 1805 Hubble Palette APOD

APOD Astronomy Picture Of The Day 2013 March 4

Feature Space.com March 28 2013 www.space.com/20186-heart-nebula-night-sky-photo.html

 

Each month the UK’s The London Telegraph produces an article on the night sky, this month featured is The Heart Nebula IC1805. www.telegraph.co.uk/science/space/nightsky/10015707/The-n...

 

About this image

IC1805 most commonly known as The Heart Nebula lies some 7500 light years away from us and is located in the constellation Cassiopeia. This is an emission nebula showing glowing gas and dark dust lanes. This nebula is formed by the plasma of ionized hydrogen and free electrons.

 

Shot over 3 nights using the TMB92SS/QHY9M , this is a Hubble Palette (HST) version with SII filter assigned to Red, H-Alpha filter assigned to Green and OIII filter assigned to blue channel.

Total Exposure 14.5 hours

 

Image Information

Location: DownUnder Observatory, Fremont MI

Date of Shoot August 29th,30th and 31st 2012

Exposures:

QHY9M mono CCD

H-Alpha 3nm 11 x 30 min

OIII 8.5 nm 8 x 30 min

SII 8 nm 10 x 30 min

Camera: QHY9M monochrome CCD, cooled to -30C www.astrofactors.com

StarlightXpress Color Filter Wheel

Scope: Thomas M. Back TMB 92SS F5.5 APO Refractor www.astronomics.com

Astro Tech AT2FF Field Flattener

For guiding: StarlightXpress Lodestar autoguider, StarlightXpress Ultra Slim Off Axis guider

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

Image Aquisition Maxim DL

Stacking and Calibrating: CCDStack

Registration of images in Registar

Post Processing Photoshop CS5

Star Spikes Pro II

 

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Taken on August 24, 2013