M51 Whirlpool Galaxy
M51 Pat devine, Williams Optics Redcat 51
ZWO183mc pro, Optolong l-pro filter, ZWO air pro
M51 Whirlpool Galaxy (Jonathan Anderson)
4″ f10 achro on HEQ5 Pro
Canon 700d (umod) @ISO 1600
120x40sec + darks, flats etc.
Processed DSS & GIMP
Whirlpool Galaxy or M51 (Ian Smith)
Skywatcher 200p, NEQ6 mount, UV/IR Cut filter, Baader MPCC M3 coma corrector, ASI294MC Pro at -20C.
NINA Observatory Software.
35 x 300 second (2 hours 55 minutes) at Gain 121, Offset 30, dithering every 3rd frame, 40 dark frames, 40 flat fields, 40 dark flat frames.
Processed in APP, Topaz de-noise and Photoshop.
12th/13th April 2021.
M51 (Ramsay McIver)
Takahashi FSQ-106ED with a Tak x 1.6 adaptor and a Canon x 1.4 on a Celestron AVX unguided with a Canon Ra. 31 x 30s @ ISO 6400 and 25 x 15s @ ISO 25600 stacked in APP and processed in Photoshop. No flats or darks were used to make this image. I think using the Tak 1.6 and the Canon 1.4 is just about taking the magnification as far as I can go, similar to a 1187mm lens on a FF camera.
M51 Galaxy (Whirlpool) Canes Venatici (Hugh C. Somerville) Sat 15th May 2021
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