Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  9 Cas  ·  LBN 576  ·  The star 9Cas
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Ctb1, Carlos Uriarte
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Ctb1

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Ctb1, Carlos Uriarte
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Ctb1

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Description

Ctb1 Abell 85. A supernova remmant, 57 h exp time in HOO palette. It's size in the sky is similar to the size of a full moon. It's outer shell has ruptured between the 4 and 5 o'clock position. Originally this was thought to be a Planetary nebula (Abell 85) but in 1971 it was determined that is actually a supernova remmant.

Gear:
Takahashi FSQ 106ED
Atik 460 EX mono
Paramount ME
Filters: Astrodon Ha 130 subs, OIII 97 subs. 900"
August - Setember 21
with now process

#astronomicalphotography#astrophotography#astronomia#universe#universetoday#atikcameras#supernova#telescope#deepskyphotography#deepspace#deepsky

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Ctb1, Carlos Uriarte