Colors of the Crab
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This image is included in our signature series.
This was a focused capture using 5-minute exposures over two nights with the Optolong L-eXtreme filter. The Crab Nebula was mistaken for a comet by astronomer Charles Messier in the late 1600s. Frustrated, he started a catalog of 'things to avoid' and the Crab was awarded Messier 1 or M1 for short. I wonder what his reaction would have been had he used an EdgeHD instead?
Image details
| Telescope: | Celestron EdgeHD 9.25 | |
| Length: | 1645mm | |
| Aperture: | 235mm | |
| F-stop: | f/7.0 | |
| Sessions: | 2 | |
| Captured: | 2022-12-14 to 2022-12-15 | |
| Lights: | 66 | |
| Exposure: | 300 | |
| Total exposure: | 5 h | |
| Ra: | 5h 34m 32.5s | |
| Dec: | +22° 01' 29.803 | |
| Size: | 22.789 x 15.19 arcmin | |
| Radius: | 0.228 deg | |
| Scale: | 0.454 arcsec/pixel |
Detailed Crab Nebula
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The Crab in 2023
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M1: The Crab Nebula Test Shot
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M1: The Crab Nebula
2021-09-16
A Crab Deconvoluted
2022-12-15
Not a Comet
2023-10-29