Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-132
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Sh2-132, OSC Hα, 25 Sep 2015, David Dearden
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Sh2-132, OSC Hα, 25 Sep 2015

Equipment

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Acquisition details

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Description

First-time (for me) observation of this object. Synched using Astrotortilla both originally and after meridian flip; an easy find. Marginal conditions due to wind gusts blowing the scope around.

Date: 25 Sep 2015

Subject: Sh2-132

Scope: AT8IN + Antares 0.5x focal reducer

Filter: Baader 7 nm Hα

Mount: CG-5 (Synta motors, PicGoto Simplificado)

Guiding: 9x50 Finder/Guider + DSI Ic + PHD 2.5.0.1 (Win 7 ASCOM)

Camera: DSI IIc, no chiller CCD 19 °C

Acquisition: Nebulosity 4.0.2, no dither

Exposure: 38x600 s

Stacking: Neb 4, bad pixel map, bias included, 33 flats, OSC extract R, match histograms, square, trans+rot align, DSS 2x drizzle 1.75 average κ-σ stack.

Processing: StarTools 1.4.305 Crop; Wipe 75%; Develop 76.45%; HDR optimize; Deconvolute 3.3 pix; Track 4.5 pix, Smoothness 88%; Magic: shrink 1 pixels. CS6 Astronomy Tools curves; deep space noise reduction; make stars smaller; Astroframe.

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Sh2-132, OSC Hα, 25 Sep 2015, David Dearden