Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  20 Aur  ·  20 rho Aur  ·  HD277599  ·  HD277600  ·  HD277601  ·  HD277602  ·  HD277604  ·  HD277605  ·  HD277609  ·  HD277610  ·  HD277611  ·  HD277616  ·  HD277617  ·  HD277618  ·  HD277622  ·  HD277623  ·  HD277624  ·  HD277625  ·  HD277626  ·  HD277627  ·  HD277630  ·  HD277631  ·  HD277632  ·  HD277637  ·  HD277638  ·  HD277639  ·  HD277644  ·  HD277645  ·  HD277653  ·  HD277654  ·  And 222 more.
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HOO Faint  HII Emission Nebula  SH2- 223 and  Super Nova Remnant SH2-224 Askar 400, Brandon Tackett
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HOO Faint HII Emission Nebula SH2- 223 and Super Nova Remnant SH2-224 Askar 400

Getting plate-solving status, please wait...
HOO Faint  HII Emission Nebula  SH2- 223 and  Super Nova Remnant SH2-224 Askar 400, Brandon Tackett
Powered byPixInsight

HOO Faint HII Emission Nebula SH2- 223 and Super Nova Remnant SH2-224 Askar 400

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Description

These two faint objects were probably too tall of task for my Askar 400 and the below average seeing nights during the end of November. Still, I  wanted to try to capture these  DSO in the same field. Maybe another year, I will turn the RASA8 after them individually to get more integration and detail. 

Not my best capture and difficult to edit, nevertheless I am posting to show another part of my journey in this amazing hobby. 

SH2-223 in the bottom right is a HII emission nebula that originally was thought to be a SNR,  Initially  designated SNR, it was re-designated  HII  after several papers in the mid 2000s. It is located approximately  7000 light years from earth. 

SH2-224 in the top left  is a SNR in the constellation of Auriga. It has a initial circular shell, but then has an usual expansion shape wing that is thought to be the expansion into a cavitary within the interstellar media.  Located 12K light years from the Earth, nebula measures 150 light years across and is an estimated 60K years old. 

Information about these DSOs was slightly more difficult to find and I relied on info from Gary Imm and Brendan Kinch  descriptions of these objects.

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HOO Faint  HII Emission Nebula  SH2- 223 and  Super Nova Remnant SH2-224 Askar 400, Brandon Tackett