Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 281
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Pacman Nebula Ha + OIII, 


            Trevor Jones
Pacman Nebula Ha + OIII
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Technical card

Imaging telescopes or lenses: Sky-Watcher Esprit 100ED

Imaging cameras: ZWO ASI 294MC PRO ASI294MC PRO

Mounts: iOptron cem60

Guiding cameras: Altair Astro GPCAM2 AR0130 Mono

Software: Astro Photography Tool APT  ·  photoshop cc  ·  DeepSkyStacker (DSS) Deepskystacker 3.3.6

Filters: STC Astro Duo-Narrowband filter

Dates:Sept. 17, 2018

Frames: 76x300"

Integration: 6.3 hours

Avg. Moon age: 7.86 days

Avg. Moon phase: 55.03%

Basic astrometry details

Astrometry.net job: 2569237

RA center: 0h 52' 49"

DEC center: +56° 40' 44"

Pixel scale: 4.276 arcsec/pixel

Orientation: 312.619 degrees

Field radius: 1.102 degrees

Resolution: 1561x1002

Locations: My Backyard, St. Catharines, Ontario, Canada

Data source: Backyard


Here is the Pacman Nebula from September 2018 in duo-narrowband.

I went on an "emission nebula spree" last summer using the STC duo-narrowband filter with the ASI294MC Pro. The Sky-Watcher Esprit 100 ED is a good match for the 294.

You'll find more details about the image (including a video the night this was shot) in the link. Happy with this one!


Sky plot

Sky plot


Pacman Nebula Ha + OIII, 


            Trevor Jones