Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 281
Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019), Chris Sullivan
Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019)
Powered byPixInsight

Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019)

Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019), Chris Sullivan
Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019)
Powered byPixInsight

Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019)

Equipment

Loading...

Acquisition details

Loading...

Description

80/20 mix of Ha and SII in the red channel, 70/30 mix of OIII and SII in the green channel.

AAPODx2 selection on February 3, 2019: https://www.facebook.com/1793820327559685/photos/a.1793828047558913/2304681736473539/

Comments

Revisions

    Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019), Chris Sullivan
    Original
  • Final
    Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019), Chris Sullivan
    B

B

Description: Finally had the bright idea to get the detail I was after by simply adding a layer of hydrogen alpha, setting this to high pass, and moving a copy of the background to the top set as "lighten" to correct for the darkening that the high pass HA caused. I think it worked out great!

Uploaded: ...

Sky plot

Sky plot

Histogram

Pacman Nebula in Ha/SII-OIII/SII-OIII (AAPODx2 Selection 02-04-2019), Chris Sullivan