Hemisphere:  Northern  ·  Contains:  Crescent Nebula  ·  IC 4996  ·  NGC 6888  ·  The star 34Cyg  ·  The star 36Cyg
NGC6888 alias Crescent Nebula, 


            Riccardo A. Balle...
NGC6888 alias Crescent Nebula
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NGC6888 alias Crescent Nebula

Technical card

Imaging cameras: SBIG ST8300M

Mounts: Gemini G41 Observatory

Guiding telescopes or lenses: Celestron 8x50 Finder

Guiding cameras: Starlight Xpress Lodestar Lodestar

Software: PixInsight  ·  PHD guiding  ·  Equinox Image

Filters: Baader Planetarium RGB (36mm)  ·  Baader Planetarium L 36mm

Accessory: SBIG Filter Wheel FW8-8300

Dates:Aug. 12, 2013

Baader Planetarium H-alpha 7nm (36mm): 6x1200" bin 1x1
Baader Planetarium L 36mm: 24x300" -15C bin 1x1
Baader Planetarium RGB (36mm): 9x180" bin 2x2
Baader Planetarium SII 8.5nm 36mm: 2x1200" bin 1x1

Integration: 5.1 hours

Avg. Moon age: 5.38 days

Avg. Moon phase: 29.29%

Bortle Dark-Sky Scale: 1.50

Basic astrometry details

Astrometry.net job: 3467549

RA center: 20h 14' 57"

DEC center: +38° 26' 24"

Pixel scale: 2.884 arcsec/pixel

Orientation: 81.861 degrees

Field radius: 1.683 degrees

Resolution: 3352x2532

Data source: Traveller


NGC6888 aka Crescent Nebula LRGB



Riccardo A. Balle...
License: None (All rights reserved)

Sky plot

Sky plot


NGC6888 alias Crescent Nebula, 


            Riccardo A. Balle...