Derby and District Astronomical Society
Messier 65 (NGC 3623)
Spiral Galaxy in Leo
RA 11h 18m 54s Dec +13° 05' 00"
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This image of the M65 - one of the Leo Trio of galaxies - was captured by Peter Branson on March 18th 2025 and produced from 20 x 120 second images taken with a new ZWO ASI585MC colour camera attached to a Celestron C9.25 Schmitt-Cassegrain telescope, mounted on a SkyWatcher NEQ6 mount. The set of images was stacked in Nebulosity and imported into PixInsight for further processing and sharpening. Peter says: "The Leo Trio is always worth revisiting and the new camera has highlighted features in this interesting galaxy". Image Credit: Peter Branson.
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John Hill took this image of the Leo Triplet on the 5th March 2025 using a Sky Watcher Esprit 100ED refractor with field flattener, Optolong L-Pro filter, and ZWO 294MC Pro camera (at -10°C and a gain of 120). 240 x 60 second subs were taken giving a total exposure of 4 hours. The image was processed using Siril, GraXpert and GIMP. Enlarged images of the component galaxies are shown below (and taken from) the main image. Image Credit: John Hill.
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Dave Selfe captured the following image of M65 (right) and M66 on the 2nd April 2022. It is comprised of 95 x 60 second exposures taken with a ZWO ASI178MC camera through a Sky Watcher Esprit 100ED telescope. Image Credit: Dave Selfe.
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This image of the Leo Triplet was captured by Peter Branson on the 6th February 2022, and comprises 100 minutes total exposure (100x60s). The triplet comprises the galaxies M65 (upper right in this image), M66 (lower right) and NGC 3628 (the Hamburger Galaxy, at left). The camera used was a ZWO ASI533 cooled colour camera together with a 102mm TS Optics Photoline f7 telescope with a Hutech IDAS light pollution filter and field flattener, mounted on an NEQ6 mount. A filter wheel fitted with LRGBHa filters was used to capture these images (Luminance only). The images were stacked in Nebulosity, then PixInsight was used to remove background noise and lastly GIMPShop was used to produce the final image using levels and curves. Peter says - "The Leo Trio is a favourite astrophotography target and my new ZWO camera has given me my best image to date of this trio of galaxies." Image Credit: Peter Branson.
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M65 is one of the Leo Triplet of galaxies seen in this image taken by Chris Newsome on the 28th February 2006. M65 lies at the top of the triplet, which also includes M66 at the lower right and the edge on galaxy NGC 3628 at lower left. The image was taken with a Canon EOS 300D camera at the prime focus of a Skywatcher 80T refractor and comprises eight 150 second frames at 800 ASA, calibrated in Maxim DL and processed in CS2 using just RGB levels and curves. An Astronomik CLS filter was employed to reduce the sodium light pollution. Image Credit: Chris Newsome.
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