Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888  ·  Sh2-105
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NGC 6888 - Crescent Nebula in HOO, 



    
        

            Michael J. Mangieri
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NGC 6888 - Crescent Nebula in HOO

Getting plate-solving status, please wait...
NGC 6888 - Crescent Nebula in HOO, 



    
        

            Michael J. Mangieri
Powered byPixInsight

NGC 6888 - Crescent Nebula in HOO

Imaging telescopes or lenses: William Optics GTF 102mm WO GT102

Imaging cameras: ZWO ASI 1600MM Cooled Pro

Mounts: iOptron iEQ30 Pro

Guiding telescopes or lenses: Williams Optics 50mm CCD Imaging Guide Scope # M-G50

Guiding cameras: QHY5L-IIM

Focal reducers: William Optics 0.8x Reducer/Flattener

Filters: ZWO Blue 31mm  ·  ZWO Red 31mm  ·  ZWO Green 31mm  ·  Astrodon Oiii 3nm 31 mm  ·  Astrodon Ha 5nm 31 mm


Dates:Sept. 18, 2019Oct. 1, 2019

Frames:
Astrodon Ha 5nm 31 mm: 67x180" (3h 21') (gain: 200.00) -20C bin 1x1
Astrodon Oiii 3nm 31 mm: 60x180" (3h) (gain: 200.00) -20C bin 1x1
ZWO Blue 31mm: 40x30" (20') (gain: 139.00) -20C bin 1x1
ZWO Green 31mm: 40x30" (20') (gain: 139.00) -20C bin 1x1
ZWO Red 31mm: 40x30" (20') (gain: 139.00) -20C bin 1x1

Integration: 7h 21'

Darks: 40

Flats: 25

Bias: 100

Avg. Moon age: 10.89 days

Avg. Moon phase: 47.13%

Bortle Dark-Sky Scale: 5.00


RA center: 20h12m10s.882

DEC center: +38°1944.22

Pixel scale: 1.345 arcsec/pixel

Orientation: -47.226 degrees

Field radius: 1.026 degrees

More info:Open 


Resolution: 4447x3223

Locations: Mikey's Place, Reisterstown, Maryland, United States

Data source: Backyard

Description

I had first decided to include Sii data, but it wasn't worth the effort. This is HOO processed to eliminate (or vastly reduce) the stars and then RGB stars added in.

Taken over a number of nights, 9/15-10/1.

Comments

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NGC 6888 - Crescent Nebula in HOO, 



    
        

            Michael J. Mangieri