Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888  ·  Sh2-105
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NGC6888 Crescent, 


            John Massey
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NGC6888 Crescent

Imaging telescopes or lenses: Stellarvue SV80S

Imaging cameras: Atik 383L+ Mono

Mounts: Losmandy GM8

Guiding telescopes or lenses: Orion ST80

Guiding cameras: Orion SSAG StarShoot AutoGuider

Focal reducers: TeleVue 0.8x Photo Reducer/Flattener TRF-2008

Software: Artemis Capture Artemis  ·  Images Plus, PS, PHD Images Plus 5.75, PS, PHD

Filters: Baader Planetarium LRGB  ·  Baader OIII OIII  ·  Baader Ha 36mm H-Alpha

Accessory: ATIK EFW2, 7x36mm

Dates:Oct. 21, 2014Oct. 23, 2014

Baader Ha 36mm H-Alpha: 12x600" (2h) -15C bin 1x1
Baader OIII OIII: 12x600" (2h) -15C bin 1x1
Baader Planetarium LRGB: 12x600" (2h) -15C bin 1x1

Integration: 6h

Darks: 10

Flats: 10

Avg. Moon age: 28.19 days

Avg. Moon phase: 2.97%

Bortle Dark-Sky Scale: 7.00

Temperature: -15.00

RA center: 20h12m17s.51

DEC center: +38°1942.0

Pixel scale: 4.688 arcsec/pixel

Orientation: -102.222 degrees (flipped)

Field radius: 0.661 degrees

More info:Open 

Resolution: 800x627

Locations: The Shack Observatory, Panama City, Florida, United States

Data source: Backyard


12 ea subs x 600 sec of Ha and OIII with 4 ea R,G,B x 600 sec added for star color. Taken over three nights. Attempted to capture the OIII shell.


Sky plot

Sky plot


NGC6888 Crescent, 


            John Massey