Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
Cas A   Supernova Remnant (Ha / OIII / Color(OSC)), sky-watcher (johny)
Cas A   Supernova Remnant (Ha / OIII / Color(OSC))
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Cas A Supernova Remnant (Ha / OIII / Color(OSC))

Cas A   Supernova Remnant (Ha / OIII / Color(OSC)), sky-watcher (johny)
Cas A   Supernova Remnant (Ha / OIII / Color(OSC))
Powered byPixInsight

Cas A Supernova Remnant (Ha / OIII / Color(OSC))

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Description

Cassiopeia A (Cas A) is a supernova remnant (SNR) in the constellation Cassiopeia.
Ha 7nm / ASI174mm / 3 hours
OIII 12nm / ASI174mm / 3 hours
Color / Moravian G3-11000c / 40 minutes
 Weak Ha signal, pretty good OIII signal and also good Red signal.

Comments

Revisions

  • Cas A   Supernova Remnant (Ha / OIII / Color(OSC)), sky-watcher (johny)
    Original
  • Final
    Cas A   Supernova Remnant (Ha / OIII / Color(OSC)), sky-watcher (johny)
    B

Sky plot

Sky plot

Histogram

Cas A   Supernova Remnant (Ha / OIII / Color(OSC)), sky-watcher (johny)