Event Horizon - Astronomical and Terrestrial Images

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M45_20230914_LPF_v1.jpg
M45 - The Pleiades764 viewsOpen star cluster in the constellation Taurus. Nearest Messier object to Earth (444 light-years).
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Sh2-106 - Snow Angel Nebula763 viewsEmission nebula and star forming region in Cygnus, about 2000 light-years from Earth.
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28 Minutes after Third Contact762 viewsC3 + 28:08
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Totality minus 41 minutes760 viewsC2 - 41 min 16 sec
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Sharpless2-136, the Ghost Nebula760 viewsReflection nebula in Cepheus. 1470 light-years distant, near the cluster NGC 7023.
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Totality - The Corona759 viewsThe Sun's corona is now totally visible. Yes, that really is a star in the lower left quadrant of the frame - it is Alpha Leonis, better known as Regulus.
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Messier 90, Spiral Galaxy in Virgo759 views59 million light-years away. Contains little gas and dust and hence does not have much star formation; believed to be evolving into a lenticular galaxy.
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Shortly after End of Totality758 viewsAbout 10 seconds after Third Contact
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First Contact758 viewsAt 12:39:58.1, local time, the Moon starts to encroach on the disk of the Sun. Since there is not much to say about partial phase eclipse images, I have captioned them with stanzas from Archibald Macleish's poem "You, Andrew Marvell" - a magical piece which best conveys the awe and wonder of the stunning natural spectacle we know as a total eclipse of the Sun - and, in the case of the post-totality shots, a few verses from other metaphysical works.
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Diamond Ring758 viewsThe Diamond Ring heralds the end of totality at 13:58:47 local time.
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Markarian's Chain756 viewsPart of Markarian's Chain, a group of galaxies in the Virgo Cluster. Visible in the photo are NGCs 4477, 4473, 4461, 4458, 4438 and 4435. Not visible are M84 and M86, which are out of the frame to the right - my telescope's field of view is not big enough to capture them all.
M97_20210305_LRGB2.jpg
M97 - The Owl Nebula756 viewsPlanetary nebula in the constellation Ursa Major, 2030 light-years distance from Earth and about 8000 years old. The blurred appearance results from the fact that it consists of several overlapping shells of gas. The shells are not entirely concentric, but form a barrel-like structure which gives rise to the owl-like appearance.
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