Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1590  ·  NGC 281
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NGC 281 - Pacman Nebula, 



    
        

            Marco Prelini
NGC 281 - Pacman Nebula
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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: Photoshop CC  ·  Sequence Generator Pro  ·  PixInsight

Filters: Baader OIII 2.0" 7nm CCD  ·  Baader Ha 2" 7nm CCD


Dates:Aug. 25, 2020Sept. 5, 2020

Frames:
Baader Ha 2" 7nm CCD: 37x600" (gain: 120.00) 0C bin 1x1
Baader OIII 2.0" 7nm CCD: 36x600" (gain: 120.00) 0C bin 1x1

Integration: 12.2 hours

Darks: ~31

Flats: ~31

Flat darks: ~31

Avg. Moon age: 12.43 days

Avg. Moon phase: 68.68%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 18.50

Temperature: 20.00


Basic astrometry details

Astrometry.net job: 3840077

RA center: 0h 52' 31"

DEC center: +56° 40' 55"

Pixel scale: 0.945 arcsec/pixel

Orientation: 187.161 degrees

Field radius: 0.650 degrees


Resolution: 4099x2777

Locations: Home Backyard, Meda, Milano, Italy

Data source: Backyard

Description

Located in the northern part of Cassiopeia constellation, this nebula is a rich HII region populated by Bok globules (which are newborn stars nursery), an open cluster and a multiple (five stars) system.
I really like the details of this nebula, it's worth high-resolution imaging.

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