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December 10, 2017

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Messier 1 - A cosmic crab

June 10, 2017


A reprocess of my M1 data from last November. 

Messier 1 is the brightest supernova remnant in the night sky. It is believed the supergiant star exploded a few thousand years ago. A very interesting object, as it appears differently using different filters. This provides the opportunity to process it in many different ways. It was fun working on it.


Messier 1 - Crab nebula    

Imaging telescope: AT12 RC astrograph f/8
Imaging camera: QHY9M CCD
Filters: Orion 2'' RGB, 2'' Baader 7nm Ha
Mount: AP900 GTO
Other: Meade DSI guider, Robofocus
Software: CCD Commander, Maxim DL, Photoshop CC 2014, Pixinsight 1.8

Date: Ha: Nov 12-13, 20162016 RGB: Nov 18-22, 2016
Exposure: Ha: 15x900'' bin1, RGB: 12X300'' each bin2
Total integration 7 hours
Location: Asteria observatory, Hocking Hills, Ohio, US

Click image for larger image and prints


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