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Contains:  NGC 281
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NGC 281, the Pacman Nebula in Narrowband, 



    
        

            Rudolf Bumm
NGC 281, the Pacman Nebula in Narrowband
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NGC 281, the Pacman Nebula in Narrowband

Technical card

Imaging telescopes or lenses:ASA - Astro Systeme Austria Astrograph 203 mm f2.75

Imaging cameras:ZWO ASI1600MMC

Mounts:iOptron CEM60

Accessory:MGEN


Dates:Oct. 12, 2017

Frames: 120x180"

Integration: 6.0 hours

Avg. Moon age: 22.11 days

Avg. Moon phase: 50.41%


Basic astrometry details

Astrometry.net job: 1877529

RA center: 0h 52' 32"

DEC center: +56° 38' 56"

Pixel scale: 1.382 arcsec/pixel

Orientation: 184.896 degrees

Field radius: 0.898 degrees


Resolution: 3780x2758

Locations: Mirasteilas observatory, Falera, Graubünden, Switzerland

Description

NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm.
This is my first hubble mapped narrow band image. All processed in Pixinsight.

Distance: 9500 light years

Ha 40 x 180 s
SII 40 x 180 s
OIII 40 x 180 s
6 h total exposure time
Hubble palette mapping: SII -> R, Ha -> G, OIII -> B

Comments

Author

rbumm
Rudolf Bumm
License: None (All rights reserved)
1710
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Revisions

  • NGC 281, the Pacman Nebula in Narrowband, 



    
        

            Rudolf Bumm
    Original
  • Final
    NGC 281, the Pacman Nebula in Narrowband, 



    
        

            Rudolf Bumm
    B

B

Description: Curves for some "black holes" :-)

Sky plot

Sky plot

Histogram

NGC 281, the Pacman Nebula in Narrowband, 



    
        

            Rudolf Bumm