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Contains:  Crescent nebula, NGC 6888
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NGC 6888 Crescent Nebula - Hubble Palette and Custom SHO Blend - EdgeHD 9.25 - ASI1600MM, 





    
        

            Rowland Archer

NGC 6888 Crescent Nebula - Hubble Palette and Custom SHO Blend - EdgeHD 9.25 - ASI1600MM

Technical card

Resolution: 1920x1436

Dates:Sept. 6, 2018

Frames:
Astrodon Narrowband Filters (3-5 nm) Astrodon 3nm Oiii: 53x300" (gain: 139.00) -15C bin 1x1
Astrodon Narrowband Filters (3-5 nm) Astrodon 3nm Sii: 41x300" (gain: 139.00) -15C bin 1x1
Astrodon H-alpha 5nm: 50x300" (gain: 139.00) -15C bin 1x1

Integration: 12.0 hours

Avg. Moon age: 25.83 days

Avg. Moon phase: 14.72%

Astrometry.net job: 2342094

Locations: Home Observatory, Wake Forest, NC, United States

Data source: Backyard

Description

For this Crescent nebula image I shot 11.33 hours of narrowband SHO data from my yard in Wake Forest, NC using ACP Scheduler over multiple nights starting September 5 and ending October 1. I'd like to go deeper next season and aim for 20+ hours, but this had enough data for some interesting details and a modest amount of noise.

I used Astro Pixel Processor for pre-processing and PixInsight for the rest, starting with integrated S, H and O frames generated by APP.

I created two different narrowband blends, resulting in the two revisions here. One was R=0.5HA+0.5SII, G=0.25Ha+0.75OIII, B=OIII; the other is straight Hubble - R=S, G=H, B=O.

Comments

Author

Vassar1976
Rowland Archer
License: None (All rights reserved)
1330
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Revisions

  • NGC 6888 Crescent Nebula - Hubble Palette and Custom SHO Blend - EdgeHD 9.25 - ASI1600MM, 





    
        

            Rowland Archer
    Original
  • Final
    NGC 6888 Crescent Nebula - Hubble Palette and Custom SHO Blend - EdgeHD 9.25 - ASI1600MM, 





    
        

            Rowland Archer
    B

B

A straight Hubble palette treatment of this data

Histogram

NGC 6888 Crescent Nebula - Hubble Palette and Custom SHO Blend - EdgeHD 9.25 - ASI1600MM, 





    
        

            Rowland Archer

In these public groups

ZWO ASI1600MM/QHY163M