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Contains:  Cocoon nebula, IC 5146
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Cocoon Nebula wide-field (HaRGB), 


            Chris Heapy
Cocoon Nebula wide-field (HaRGB)
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Cocoon Nebula wide-field (HaRGB)

Technical card

Imaging telescopes or lenses: Tele Vue NP 127is

Imaging cameras: Moravian Instruments G4-16000

Mounts: 10 Micron GM2000 HPS II

Focal reducers: TeleVue Large Field Corrector

Software: PixInsight PinInsight 1.8  ·  StarTools 1.4

Filters: LRGB  ·  Chroma Ha 3nM

Accessory: SharpSky Auto Focuser

Dates:Nov. 25, 2016

Frames: 26x1200"

Integration: 8.7 hours

Avg. Moon age: 25.95 days

Avg. Moon phase: 13.81%

Basic astrometry details job: 1449243

RA center: 21h 47' 45"

DEC center: +47° 24' 7"

Pixel scale: 2.719 arcsec/pixel

Orientation: 359.745 degrees

Field radius: 2.134 degrees

Resolution: 3996x3996

Locations: Whirley Observatory, Macclesfield, Cheshire, United Kingdom


LP Conditions here rarely support decent RGB capture, tried this on what was a good night. Added an Ha channel to give a bit more pop :)

I like the subtle blues and browns background colouration in this more than the cocoon itself (which is tiny at this image scale).

RGB 6 x 600s per channel, Ha 8 x 1200s.



Chris Heapy
License: None (All rights reserved)

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Cocoon Nebula wide-field (HaRGB), 


            Chris Heapy