Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
Getting plate-solving status, please wait...
Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016, 



    
        

            David Dearden
Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016
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Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016

Getting plate-solving status, please wait...
Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016, 



    
        

            David Dearden
Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016
Powered byPixInsight

Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016

Imaging telescopes or lenses: Astro-Tech AT8IN

Imaging cameras: Meade DSI II C

Mounts: Skywatcher NEQ-6 Pro Synscan  ·  CG5

Guiding telescopes or lenses: Orion ShortTube 80 f/5

Guiding cameras: Meade DSI

Focal reducers: Antares 0.5x Reducer

Software: Ángel Caparrós PicGoto  ·  photoshop  ·  DeepSkyStacker  ·  Silicon Fields StarTools 1.3  ·  Noel Carboni's Astro Tools for PhotoShop  ·  AstroPlanner  ·  PHD2 Guiding  ·  Sequence Generator Pro  ·  Cartes du Ciel  ·  Nebulosity  ·  EQASCOM

Filters: Baader Planetarium Ha 7nm 1.25"  ·  Baader Planetarium UHC-S Filter

Accessory: Orion AccuFocus  ·  Robert Brown's Arduino ASCOM Focuser Pro DIY


Dates:Sept. 25, 2015Oct. 8, 2016

Frames:
Baader Planetarium Ha 7nm 1.25": 38x600" (6h 20')
Baader Planetarium UHC-S Filter: 33x300" (2h 45')

Integration: 9h 5'

Avg. Moon age: 9.24 days

Avg. Moon phase: 66.59%


Astrometry.net job: 1288872

RA center: 22h 19' 30"

DEC center: +56° 5' 27"

Pixel scale: 1.949 arcsec/pixel

Orientation: -179.665 degrees

Field radius: 0.437 degrees


Resolution: 1538x1138

Locations: Mapleton Lateral Observatory, Mapleton, Utah, United States

Description

Finally got OSC RGB data to go with Hα from last year. This is the result.

Date: 25 Sep 2015 (Hα) + 8 Oct 2016 (RGB)

Subject: Sh2-155, Cave Nebula

Scope: AT8IN + Antares 0.5x focal reducer

Filter: Baader Planetarium UHC-S

Mount: EQ-6 (EQMOD)+PEC

Guiding: Orion ST80+Antares 0.5x focal reducer +DSI Ic+PHD 2.6.1.8 (Win 10 ASCOM)

Camera: DSI IIc, no chiller CCD ~10 °C

Acquisition: Sequence Generator Pro 2.5.1.15 with Nebulosity 4.1.1 ASCOM camera driver (Win 10)

Exposure: 38x600 s (Hα) + 33x300 s (RGB)

Stacking: Neb 4, bad pixel map, bias included, 33 flats, match histograms, trans+rot align, Deep Sky Stacker 2x drizzle stack.

Processing: StarTools 1.4.316: Crop; Wipe; Develop: 81.07%; HDRptimize; Color:Scientific, 165% saturation; Deconvolute: 4.1 pix; Life:moderate; Track: Smoothness 87%, 4.5 pix; Magic, shrink 2 pix. Heal out stars per online StarTools tutorial and save. Photoshop CS6 + Astronomy Tools: Deep space noise reduction; Use HαR for R and for Luminance; boost R channel; Layer on RGB stars using Color Dodge; Increase star color; Curves; Channel mixer boost R; Astroframe.

Comments

Sky plot

Sky plot

Histogram

Sh2-132, HαRRGB, 25 Sep 2015 + 8 Oct 2016, 



    
        

            David Dearden