Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 94  ·  NGC 4736
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M 94, Croc's Eye Galaxy, David Dearden
M 94, Croc's Eye Galaxy
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M 94, Croc's Eye Galaxy

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Description

Meridian flip to get more time on this. The revised version involved the same processing in Nebulosity, but a bit more unsharp masking in CS5 and the only Astronomy Tools noise reduction was color blotch reduction. Boosted the saturation a bit in CS5 as well.

Date: 11 May 2012

Subject: M94, Croc's Eye Galaxy

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: 41 x 300 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, GREYCStoration in N3, CS5 levels, Astronomy Tools space, deep space noise, color blotch reduction, local contrast enhance, star color enhance

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M 94, Croc's Eye Galaxy, David Dearden