M51. The Whirlpool Galaxy
Spiral galaxy in Canes Venatici

This was the first galaxy where the spiral structure was appreciated. It is connected and interacting with a neighbor galaxy (NGC5195).
Distance to earth: 37,000,000 light years
Visual Magnitude: 8.4
More information:
Messier index. M51



High resolution image (100%)

Date and location January 2023. Caraquiz, Madrid
Telescopie GSO RC12  on ASA DDM85 mount. No autoguide.
Camera Moravian G3 16200. IDAS LPS Hutec and, RGB Baader filters. 
Image processing
L: 220x300s,  RGB: 72x300. Processed with Pixinsight




Date and location 6-apr-2008. Caraquiz, Madrid
Telescopie 8" Meade LX200R on Titan mount, f=2000mm. Autoguide with Miniborg50, Luna0.4 and Guidemaster.
Camera Artemis11002. Hutech IDAS LPS filter . Astronomik RGB filters
Image processing
L: 30x600s bin 1x1, RGB: 18x300 bin2x2, stacked with AIP4WIN. Process with Pixinsight




Date and location 29-mar-2008. Caraquiz, Madrid
Telescopie 8" Meade LX200R on Titan mount, f=2000mm. Autoguide with Miniborg50, Luna0.4 and Guidemaster.
Camera Artemis11002. Hutech IDAS LPS filter .
Image processing
L: 30x600s bin 1x1, stacked with AIP4WIN. Process with Pixinsight





Date and location 29-apr-2006. Caraquiz, Madrid
Telescopie 8" Meade LX200GPS, f=2000mm. Autoguide with Megrez II 80ED f=570mm, Toucam SC3 and Guidemaster.
Camera Artemis285.  0,7x focal reducer Hutech IDAS LPS filter .
Image processing
L: 9x600s bin 1x1, H: 7x300s bin 2x2, RGB: 5x180s bin 2x2, stacked with CADET. Histogram, HRGB and noise reduction with PixInsight.  LHRGB and final process with Adobe Photoshop.

Previous images of M51



Visits since september 14th, 2004:   Contador


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