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Astrophotography by Eddie Guscott

NGC7023 - Iris Nebula

This reflection nebula in the constellation of Cepheus surrounds a mag. 7 central star. This nebula is within our Milky Way galaxy lying at a distance of about 1400 light years and having a diameter of approximately 4 light years. It is surrounded by a complex system of dark and dusty nebulae.

Click here or on image for a larger view

 

 
Date/Location: Corringham 29-30 July 2008
Equipment: 8" f/5 Newtonian
Camera/Exposure: ST2000XM CCD camera with Astrodon filters  LRGB 6 hours total exposure (5 min sub-exposures)
   
Notes: Imaged over two nights - the first night was exceptionally transparent.

 

 
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Date/Location: 27th September, 2003  Thetford Sky Camp, Norfolk  
Equipment: AP 6" F9 refractor on AP900 GTO mount / TTL Filter Wheel  
Camera/Exposure: HX916 ccd camera : L= 40mins (2x2), R= 16mins (2x2), G = 16mins (2x2), B =  18mins (2x2)  
Processing: Calibration & Alignment with AIP4WIN, Combined with SIGMA, colour combined & post processed (levels & curves ) in Photoshop 7  
Notes: Due to broken autoguider, image comprised of unguided 2 minute integrations

Very heavy dew present - all equipment soaking wet

  

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