Celestial hemisphere:  Northern  ·  Constellation: Pisces (Psc)  ·  Contains:  M 74  ·  NGC 628
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M74, "The Phantom," 15 Nov & 3 Dec 2012, David Dearden
M74, "The Phantom," 15 Nov & 3 Dec 2012
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M74, "The Phantom," 15 Nov & 3 Dec 2012

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Description

Once again, an easy find by lining up in stars in Aries and Pisces. I can see M74 with 5 s subs in the imager and 1.5 s subs in the guider. Having some trouble guiding tonight for some reason; maybe I'm out of practice. CCD is at -5 °C tonight.

Date: 15 Nov 2012 & 3 Dec 2012

Subject: M74, “The Phantom”

Scope: AT8IN+High Point Scientific coma corrector spaced properly

Filter: None

Mount: CG-5 (Synta motors)

Guiding: Orion ST80 + DSI Ic + PHD 1.14.0

Camera: DSI IIc (1.8 A, 7.0 V T = -5 °C)

Acquisition: Nebulosity 3.1.2, no dither

Exposure: 20 x 480 s

Stacking: Neb 3, bad pixel map & flats, bias included, normalize first, trans+rot align, 1.5 SD stack

Processing: Neb 3 crop and autocolor balance. StarTools 1.3 Wipe, Develop, Deconvolute, Track, Magic:Tighten, Repair:Avg, Magic:Srink, Life:Less=More. CS6 layer mask to darken background, star color enhance.

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M74, "The Phantom," 15 Nov & 3 Dec 2012, David Dearden