Celestial hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  IC 3311  ·  M 84  ·  M 86  ·  NGC 4374  ·  NGC 4387  ·  NGC 4388  ·  NGC 4402  ·  NGC 4406  ·  NGC 4407  ·  NGC 4425  ·  NGC 4431  ·  NGC 4435  ·  NGC 4436  ·  NGC 4438  ·  NGC 4440
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Heart of the Virgo Cluster, David Dearden
Heart of the Virgo Cluster
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Heart of the Virgo Cluster

Equipment

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Description

Date: 9 May 2012

Subject: Heart of the Virgo Cluster

Scope: Orion ST80, 0.5x Antares telereducer

Filter: Baader Fringe Killer

Mount: CG-5 (Synta motors)

Guiding: Meade 4501 + 0.5x Antares telereducer + DSI Ic + PHD

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

Acquisition: Nebulosity 3.0.3

Exposure: 45 x 300 s

Stacking: Neb 3, bias included, normalize first, trans+rot align, 1.25 SD stack

Processing: Digital development with sharpening, power stretch, Keller stretch, a little saturation boost, GREYCStoration in N3, CS5 levels, GradientXTerminator, Astronomy Tools space & deep space noise reduction, star color enhance

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Heart of the Virgo Cluster, David Dearden