Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
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Crescent Nebula HRGB, 


            Marco Prelini
Crescent Nebula HRGB
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Crescent Nebula HRGB

Technical card

Imaging telescopes or lenses: Sky-Watcher 200/1000 PDS

Imaging cameras: ZWO ASI 294MC Pro

Mounts: Sky-Watcher AZ EQ6-GT

Guiding telescopes or lenses: Artesky Ultraguide 60/240 mm

Guiding cameras: ZWO ASI 120 MM Mini

Focal reducers: Baader MPCC Mark III

Software: Pleaides Astrophoto PinInsight 1.8  ·  Photoshop CC  ·  Sequence Generator Pro

Filters: Baader Ha 2" 7nm CCD  ·  L-Pro 2"

Dates:March 2, 2019March 6, 2019

Baader Ha 2" 7nm CCD: 13x480" (gain: 117.00) -20C bin 1x1
L-Pro 2": 14x300" (gain: 117.00) -20C bin 1x1

Integration: 2.9 hours

Darks: ~21

Flats: ~21

Bias: ~21

Avg. Moon age: 27.60 days

Avg. Moon phase: 7.42%

Bortle Dark-Sky Scale: 9.00

Temperature: 9.00

Basic astrometry details

Astrometry.net job: 2572613

RA center: 20h 12' 9"

DEC center: +38° 21' 14"

Pixel scale: 0.946 arcsec/pixel

Orientation: 180.944 degrees

Field radius: 0.618 degrees

Resolution: 3865x2687

Locations: Home Backyard, Meda, Milano, Italy

Data source: Backyard


This is a HRGB shot taken during a couple of mornings, in the short period of time between the nebula rise and the sun rise.
This is not exactly the best period to take pictures of Crescent nebula, but I had some spare time in the really early morning...


Sky plot

Sky plot


Crescent Nebula HRGB, 


            Marco Prelini

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