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Sh2-274 Medusa Nebula

Sh2-274 Medusa Nebula

Sh2-274 Medusa Nebula is aproximetaly 1500 light years from earth in the constellation Gemini. It is a rather faint object at +15.99 mag to + 25 magnitude.  This is a large old planetary nebula, and is about 4 light years across.

 

Sh2-274 Medusa Nebula BiColor Ha OIII

 

Sh2-274 20min Ha Subframe

Sh2-274 20min Ha Subframes x 25 = 500 min combined image

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Sh2-274 20min OIII Subframe

Sh2-274 20min OIII Subframes x 11 = 220 min combined image

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Sh2-274 20min SII Subframe

 Sh2-274 20min SII Subframes x 15 = 300 min combined image

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Scope              TMB130mm

Camera           Apogee U8300

Mount               Atlas EQG

Filters               Astrodon  Ha5nm  OIII3nm  SII3nm

Exposures       Ha 8.3hrs    OIII 3.6hrs   SII 5hrs   20min subs   Total 17hrs

Location           Connellsville Pa.  Home Observatory     2012

 

 

 

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