Celestial hemisphere:  Northern  ·  Constellation: Serpens (Ser)  ·  Contains:  IC 4537  ·  M 5  ·  NGC 5904
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M 5, ancient globular cluster in Serpens, David Dearden
M 5, ancient globular cluster in Serpens
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M 5, ancient globular cluster in Serpens

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Description

Date: 29 May 2012

Subject: M5, 13-billion year-old globular cluster in Serpens

Scope: Meade 4501+ 0.5x Antares telereducer

Filter: none

Mount: CG-5 (Synta motors)

Guiding: Orion ST80 + 0.5x Antares telereducer + DSI Ic + PHD

Camera: DSI IIc (cooled at 2 A, 6.0 V)

Acquisition: Nebulosity 3.0.3

Exposure: 66 x 150 s

Stacking: Neb 3, bias included, normalize first, trans+rot align, 1.5 SD stack

Processing: Digital development with sharpening, power stretch, Keller stretch, a little saturation boost, CS5 Gradient XTerminator, levels, Astronomy Tools space, deep space noise, color blotch reduction, star color enhance

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M 5, ancient globular cluster in Serpens, David Dearden