Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 281
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NGC281 - the Pacman nebula, 


            Gianni Cerrato
NGC281 - the Pacman nebula
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NGC281 - the Pacman nebula

Technical card

Imaging telescopes or lenses: Tecnosky APO Triplet 130/910 mm

Imaging cameras: ZWO Optical ASI1600MM-Cool

Mounts: Sky-Watcher EQ6 Pro

Guiding telescopes or lenses: Tecnosky 80/600 acromatico

Guiding cameras: QHYCCD q5L-II-C

Focal reducers: APM-Riccardi Riccardi 0.75x reducer/flattener

Software: ESA/ESO/NASA FITS Liberator 3.0  ·  PixInsight

Filters: Baader Planetarium H-Alpha 2" 7nm  ·  ZWO LRGB 31.8 filters

Accessory: ZWO EFWmini (5 x 1.25″or 5 x 31mm)

Dates:Oct. 14, 2017Oct. 15, 2017

ZWO LRGB 31.8 filters: 55x180" (gain: 139.00) -22C bin 1x1
Baader Planetarium H 1.25", Ha 7nm: 20x300" (gain: 139.00) -22C bin 1x1

Integration: 4.4 hours

Avg. Moon age: 24.74 days

Avg. Moon phase: 23.93%

Bortle Dark-Sky Scale: 2.00

Temperature: 11.00

Basic astrometry details

Astrometry.net job: 2154631

RA center: 0h 52' 33"

DEC center: +56° 38' 9"

Pixel scale: 2.176 arcsec/pixel

Orientation: 16.125 degrees

Field radius: 0.758 degrees

Resolution: 2000x1512

Locations: Parco naturale del Monte Beigua, Veirera (SV), Savona, Italy


:) lucky night yesterday! we got Ha and LRGB shots in one night!
Humidity comes @2/3 am when the moon rise!



  • NGC281 - the Pacman nebula, 


            Gianni Cerrato
  • Final
    NGC281 - the Pacman nebula, 


            Gianni Cerrato


Description: Ha+LRGB

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Sky plot

Sky plot


NGC281 - the Pacman nebula, 


            Gianni Cerrato