Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
M81, M82, & NGC 3077, puckja
M81, M82, & NGC 3077
Powered byPixInsight

M81, M82, & NGC 3077

Equipment

Loading...

Acquisition details

Loading...

Description

* Phase I: try to reduce the background noise

Original using ACDNR in PI;

Version B using TGV (PI);

Version D using ACDNR and TGV

* Phase II: try to enhance the IFN

Version E: linear NR to bring out IFN

Version F: Adjust monitor to Gamma=2.2 and then reprocess to bring out IFN

Version G: It may be too gritty for some viewer. So TGV added.

Comments

Revisions

  • M81, M82, & NGC 3077, puckja
    Original
  • M81, M82, & NGC 3077, puckja
    B
  • M81, M82, & NGC 3077, puckja
    D
  • M81, M82, & NGC 3077, puckja
    E
  • M81, M82, & NGC 3077, puckja
    F
  • M81, M82, & NGC 3077, puckja
    G
  • Final
    M81, M82, & NGC 3077, puckja
    H

Sky plot

Sky plot

Histogram

M81, M82, & NGC 3077, puckja