Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 and M82. Canon 600mm F4 telephoto with 1.4x Canon extender.  Full spectrum Canon 60D DSLR (APS-C) sensor., Rick Evans
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M81 and M82. Canon 600mm F4 telephoto with 1.4x Canon extender. Full spectrum Canon 60D DSLR (APS-C) sensor.

M81 and M82. Canon 600mm F4 telephoto with 1.4x Canon extender.  Full spectrum Canon 60D DSLR (APS-C) sensor., Rick Evans
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M81 and M82. Canon 600mm F4 telephoto with 1.4x Canon extender. Full spectrum Canon 60D DSLR (APS-C) sensor.

Equipment

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Acquisition details

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Description

February 26, 2022. 3.5 hours total imaging time in 30 sed. subs. Bortle 5-6.  Canon telephoto used at 840mm F5.6 with 1.4x Canon extender. Canon full spectrum APS-C DSLR. Tracking only on Sky Watcher EQ6-R Pro mount. No guiding. No filters.  Calibrated and stacked in Sirl. Processed in Sirl and GIMP.

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M81 and M82. Canon 600mm F4 telephoto with 1.4x Canon extender.  Full spectrum Canon 60D DSLR (APS-C) sensor., Rick Evans