Hemisphere:  Northern  ·  Contains:  Crescent nebula  ·  NGC 6888
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Crescent Nebula, 



    
        

            Salvatore Giambruno
Crescent Nebula
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Crescent Nebula

Technical card

Imaging cameras: Finger Lakes Instrumentation ML 16200

Guiding telescopes or lenses: AG Optical 12.5" iDK

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Software: Diffraction Limited Maxim DL 6 Pro  ·  FocusMax V4  ·  DC-3 Dreams ACP Observatory Control Software  ·  TheSkyX Pro  ·  Pleiades Astrophoto, S.L. PixInsight 1.8 Ripley

Filters: Astrodon 3nm Ha  ·  Astrodon Tru-Balance 2" Unmounted RGB

Accessory: Moonlite Nitecrawler WR35  ·  Finger Lake Instruments CFW-2-7


Dates:Oct. 18, 2017

Frames:
Astrodon 3nm Ha: 48x1200" -25C bin 2x2
Astrodon True Balance E series II Luminance: 30x300" -25C bin 1x1

Integration: 18.5 hours

Darks: ~9

Flats: ~20

Bias: ~100

Avg. Moon age: 28.28 days

Avg. Moon phase: 1.75%

Bortle Dark-Sky Scale: 8.00


Basic astrometry details

Astrometry.net job: 1801623

RA center: 20h 12' 6"

DEC center: +38° 21' 7"

Pixel scale: 1.174 arcsec/pixel

Orientation: 178.025 degrees

Field radius: 0.397 degrees


Resolution: 1824x1291

Locations: Home Observatory, Southern California, California, United States

Description

3nm Ha + Lum rendition of the Crescent Nebula.

RED Channel: 100% Ha
GREEN Channel: 70% Ha + 30% Lum
BLUE Channel: 30% Ha + 70% Lum

Ha data is BIN2
Lum data is BIN1

Comments

Author

urthworm
Salvatore Giambruno
License: None (All rights reserved)
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Crescent Nebula, 



    
        

            Salvatore Giambruno