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  m4.jpg - M4 Description: This bright globular cluster lies 1.5º from red giant Antares at Scorpius constellation. It has a diameter of 35' and shines as a 5.4th magnitude star. Lens: C80 ED APO F/stop: f7.5 Exposure: 96 x 8s Mount: Celestron NextStar alt-azimuth Camera: Meade DSI with Atik focal reducer ISO: Filter: CLS Astronomik Location: Viladecavalls Data: 2006 Processing: Stacked with Iris and, postrocessed with PixInsight and Photoshop CS with Astronomy Tools by Noel Carboni.  
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M4

Description: This bright globular cluster lies 1.5º from red giant Antares at Scorpius constellation. It has a diameter of 35' and shines as a 5.4th magnitude star.

Lens: C80 ED APO

F/stop: f7.5

Exposure: 96 x 8s

Mount: Celestron NextStar alt-azimuth

Camera: Meade DSI with Atik focal reducer

ISO:

Filter: CLS Astronomik

Location: Viladecavalls

Data: 2006

Processing: Stacked with Iris and, postrocessed with PixInsight and Photoshop CS with Astronomy Tools by Noel Carboni.

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