Knut's Astronomy Blog, Copyright and Photo, Knut Skaar.
The NGC6946 galaxy 1o MLY away between Cepheus and Cygnus is a spiral galaxy known to have had more than 10 Supernovas the last 100 years. As comparison, we believe the rate of Supernovas in the Milkyway is about 1-2 Supernovas every 100 year. But the last one was 400 years ago!
Telescopes and cameras:
Today I am the lucky owner of four telescopes, and I certainly are using them as often as I can, for visual viewing and astro photography. My telescopes are:
Astro Physics 1200 mount. (2010)
Celestron CPC 1100 SCT focal lenght2800mm, f10 on a Milburne wedge, With focal reducer to f6.3 and 1760 mm focal length.
Celestron C80ED Refractor focal lenght 600 mm, f7.5. With focal reducer/flattener 0.8 to f6 and 480 mm.
Williams Optics 110 APO refractor, f7. (2010)
Celestron C6 A on a CG-5 equatorial mount very little used now.
Takahashi TOA130 with 4 inch focuser and flattener.
Canon EOS 40Da (Modified by Hutech)
Apogee Alta F16M
Filterwheel: StarlightXpress Universal Filterwheel. Astronomics Ha, Oiii and Sii and LP 2" filters.
Filterwheel: Apogee AFW50-7S, 7 postion, 50 mm, LRGB, Ha, Oiii and Sii Astrodon filters.
Stellarvue, 50mm, 200 mm focal lenght, f4.
Guiding, NexImage video camera and StarlightXpress Superstar Autoguider mono.
Copyright, Knut Skaar.
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