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M13 The "Great" Globular Cluster in Hercules (CCD+DSLR Combo)

This is the combination of data from the QHY9 monochrome CCD

shot recently and Canon t1i DSLR data from last year.

This is not a crop, it's the same field of view!

Total exposure of 9.5 hours.


Clear Skies



Image Details CCD

Date of Shoot April 7th, 9th 2012

Location: DownUnder Observatory, Fremont MI

8x5 min RED

8x5 min GREEN

8x5 min BLUE

4x10 min RED

4x10 min GREEN

4x10 min BLUE

8 x 5 min Luminance

4 x 10 min Luminance

Camera: QHY9M monochrome CCD

StarlightXpress Color Filter Wheel

Scope: Astronomy Technologies Astro-Tech 10" f/8 Ritchey-Chrétien astrograph

Astro Tech 2" Field Flattener.

Autoguided using QHY5 autoguider, StarlightXpress Ultra Slim Off Axis guider

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

Image Aquisition software Maxim DL5

Stacking software Deep sky Stacker

Registered with Registar

Post Processed with Photoshop CS5


Image Details DSLR

Date of Shoot May 15 & 16th 2011

Location: DownUnder Observatory, Fremont MI

50 x 5 min sub exposures RGB at 400 iso

Camera: Canon T1i (500D) modified by HyperCams & Mods

Scope: Astro Tech AT10RC using AT2FF Field Flattener.

QHY5V autoguider

Guide scope Stellarvue 60mm refractor.

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

Image Acquired using Nebulosity II, stacked with Deep Sky stacker and processed with Photoshop CS3.


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Taken on April 15, 2012