DEEP SKY
  Gavin James
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  gavin@gjmultimedia.co.uk
 
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The Cave Nebula

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Research Assistant: tbc

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The Cave Nebula
Sh2-155, Caldwell 9
Emission Nebula
Cepheus
2,400 light years
+7.7
50 arcminutes
70 light years
1959, Stewart Sharpless
September
22h 57m 41s
+62º 44’ 12”
SkyWatcher Esprit 100ED
10 nights in October & November 2021
Hα = 38 x 1800s
OIII = 25 x 1800s
31 hours 30 minutes

 

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