Lord Ross Sketch scanned by Alister Ling |  |
Sketch by Michael O’Brien |  |
Jim Case was the first to send along an image of M51 |  |
Peter Monson Sent us an Image, Here’s my M51 image. It was taken with the C9.25 with the 0.63 focal reducer. |
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Richard Covey from Edmonton RASC Centre wrote:Here is my M51 image as requested for the upcoming episode with Alister Ling.Zwo asi533 MC Pro colour camera, LPro filter, Celestron C8 w/6.3 reducer, AVX mount. |
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Michael Wright kindly provided two sketches when we asked if he could do one for this episode. | 
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Stephen LaFlamme kindly provided 2 images.First, with a 5” Takahashi and SBIG ST-8300 CCD camera (March 26, 2011) & And just recently, March 20-21, 2023, with a Celestron 11” SCT and SBIG STT-8300m CCD | 
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Listener Mike in Central Illinois 175 light frames @ 30sec each, ISO160030 dark frames30 flat frames60 bias framesOrion skyview pro 8, 203mm f/4.9 newtonianOrion skyview pro eq mount with aftermarket go-toNikon d3500Manually guided through finderscope every 20 shotsPre-processed and post processed using Pixinsight |  |
M51 Sketch and image by Wayne McGraw |   |
Howard Banich provided this amazing sketch of M51 as seen through his large reflector over many nights. |
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