One of the most well-known objects in the night sky is the supernova remnants from the Crab Nebula. I captured this across two nights with my large refractor telescope.
Targets:
Crab Nebula (M1)
Imaging Telescope:
Explore Scientific FCD100 Series 127mm Refractor Telescope
Imaging Camera:
ZWO ASI1600MM Cool
Focuser:
MoonLite 2.5" Focuser with Motor Auto-Focus
Field Flattener:
HoTech 2" SCA Field Flattener
Mount:
Celestron CGX
Polar Alignment:
QHYCCD PoleMaster
Guide scope:
Orion ST80
Guide Camera:
Lodestar X2
Frames:
Crab Nebula:
Optolong Ha: 146x240" (gain: 139, offset: 21)
Optolong OIII: 54x240" (gain: 75, offset: 15)
Integration: 13.33 hours
Guide Software:
PHD2
Calibration Frames:
Darks: 50, Bias: 50, Flats: 50
Capture software:
Sequence Generator Pro (SGP)
#astronomy #astrophotography
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