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Hemisphere:  Northern  ·  Contains:  Crescent Nebula  ·  NGC 6888
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The Crescent Nebula (NGC 6888) with an OSC (HOORGB), 


            Marcel Nowaczyk
The Crescent Nebula (NGC 6888) with an OSC (HOORGB)
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The Crescent Nebula (NGC 6888) with an OSC (HOORGB)

Technical card

Imaging telescopes or lenses: William Optics Zenithstar II 80 ED

Imaging cameras: ZWO ASI183MC Pro

Guiding telescopes or lenses: Omegon 60/240mm Guidescope with Helical Focuser

Guiding cameras: Starlight Xpress Lodestar

Focal reducers: TS Optics TS-Optics PHOTOLINE 2" 0.8x Reducer & Flattener

Software: PHD2 Guiding  ·  Seqence Generator Pro  ·  PixInsight 1.8  ·  Photoshop

Filters: Optolong L-eNhance 2"  ·  Baader Moon & Skyglow 2"

Dates:June 4, 2019June 5, 2019June 17, 2019

Optolong L-eNhance 2": 35x300" (gain: 111.00) -15C bin 1x1
Baader Moon & Skyglow 2": 60x240" (gain: 111.00) -15C bin 1x1

Integration: 6.9 hours

Darks: ~25

Flats: ~25

Bias: ~50

Avg. Moon age: 6.09 days

Avg. Moon phase: 35.64%

Bortle Dark-Sky Scale: 4.00

Temperature: 17.33

Basic astrometry details job: 3332938

RA center: 20h 12' 12"

DEC center: +38° 22' 19"

Pixel scale: 1.141 arcsec/pixel

Orientation: 2.761 degrees

Field radius: 0.855 degrees

Resolution: 4348x3200

Locations: Garten / Backyard, Gommern, Sachsen-Anhalt, Germany

Data source: Backyard


Added some HOO data captured with my new Optolong L-eNhance filter. This data is definitely a benefit for this target using an OSC.



Marcel Nowaczyk
License: None (All rights reserved)

Sky plot

Sky plot


The Crescent Nebula (NGC 6888) with an OSC (HOORGB), 


            Marcel Nowaczyk