Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  IC 1311  ·  IC 4996  ·  NGC 6888  ·  The star 28Cyg  ·  The star 29Cyg  ·  The star 34Cyg  ·  The star 36Cyg
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The Cygnus - Crescent Nebula and surroundings, 



    
        

            Marco Prelini
The Cygnus - Crescent Nebula and surroundings
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The Cygnus - Crescent Nebula and surroundings

Getting plate-solving status, please wait...
The Cygnus - Crescent Nebula and surroundings, 



    
        

            Marco Prelini
The Cygnus - Crescent Nebula and surroundings
Powered byPixInsight

The Cygnus - Crescent Nebula and surroundings

Acquisition details

Dates:
March 2, 2019 ·  March 8, 2019 ·  April 12, 2020 ·  April 17, 2020
Frames:
Baader H-alpha 7nm: 57×300(4h 45′) (gain: 120.00) -10°C bin 1×1
Baader H-alpha 7nm: 14×480(1h 52′) (gain: 120.00) -20°C bin 1×1
Baader O-III 8.5nm: 78×300(6h 30′) (gain: 250.00) -10°C bin 1×1
Optolong L-Pro 2": 14×300(1h 10′) (gain: 120.00) -20°C bin 1×1
Integration:
14h 17′
Darks:
26
Flats:
26
Flat darks:
31
Bias:
21
Avg. Moon age:
17.92 days
Avg. Moon phase:
29.73%
Bortle Dark-Sky Scale:
7.00
Mean SQM:
18.50
Temperature:
7.50

Basic astrometry details

Astrometry.net job: 3435329

RA center: 20h11m24s.7

DEC center: +38°4239

Pixel scale: 4.937 arcsec/pixel

Orientation: 294.037 degrees

Field radius: 3.409 degrees

Resolution: 4116x2788

File size: 7.0 MB

Locations: Home Backyard, Meda, Milano, Italy

Data source: Backyard

Description

This is part 1 of a bigger mosaic that i’m planning to shoot. It shows a small part of the Cygnus nebular complex with the Crescent Nebula at his center.

The Crescent Nebula is an emission nebula probably formed by the outer layers of a Wolf-Rayet star found at its center.

This is a merge of an HOO image taken with a Canon photo lens and an HRGB image taken one year ago with a 200/1000 newtonian.

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The Cygnus - Crescent Nebula and surroundings, 



    
        

            Marco Prelini