M1: The Crab Nebula Test Shot

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Image © 2022 — 2023 Jeremy Likness. All rights reserved.
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Image © 2022 — 2023 Jeremy Likness. All rights reserved.
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Image © 2022 — 2023 Jeremy Likness. All rights reserved.
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My first ever astrograph taken with the Celestron EdgeHD 9.25 SCT.

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Telescope:   Celestron EdgeHD 9.25
Length:   1650mm
Aperture:   235mm
F-stop:   f/7.5
Sessions:   1
Captured:   2022-02-25 to 2022-02-25
Lights:   68
Exposure:   60
Total exposure:   1 h
Ra:   5h 34m 30.6s
Dec:   +22° 01' 5.091
Size:   28.037 x 19.827 arcmin
Radius:   0.286 deg
Scale:   0.285 arcsec/pixel
Related images
This is a detailed rendering of the crab nebula using a combination of broadband and SHO filters.
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?
To start the new year, I imaged the first item in the Messier catalog on the first day of the year. Coincidentally, M1 was the first deep space object and nebula I photographed. This is a stack of several nights of 5-minute exposures that sum to just over seven hours of integration time.
It started as a supernova recorded by Chinese astronomers in 1054 AD. M1, the Crab Nebula, is the expanding remnant of that millenia old explosion.
The first nebula I photographed is also the first item in the Messier Catalog. M1, also referred to as the Crab Nebula, is the remnant of a supernova estimated to have occurred less than 10,000 years ago, with the light taking around 6500 yeas to reach us. At the center sits a spinning neutron star. I decided to revisit M1 as my project for the week. This is the result of 6 hours of exposure over three nights. Processed a second time with BlurXTerminator.

Objects in frame:

M1 NGC1952
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