M80 / NGC 6093

Designation(s)M80, NGC 6093
Object Type(s)Globular Cluster
Relevant Catalog(s)All (Chron), Messier, NGC
Obs. Lat/Long42° 17', 073° 57'
ConstellationScorpius
Date and Time Observed2025-03-09 22:04:00
InstrumentAskar V 80mm w extender f7.5-600mm FL
CameraASI2600MC-Pro
Image DetailsUp is 91.8 degrees E of N. Transparency: Good. Seeing: Good. Total integration time was 5m. Exposures 15s@101g. Dithered and recentered in ShapCap..
DescriptionRecorded January 4, 1781: "Nebula without star, in Scorpius....: this nebula is round, the center brilliant, & it resembles the nucleus of a small Comet, surrounded with nebulosity. M. Méchain saw it on January 27, 1781.' (diam. 2')" <--> Rank 17 and 22 respectively for magnitude and size. March 2025 capture was in good pre-dawn conditions. This was first light for my new 2600mc-pro camera paired with the Askar V configured at 600mm. The featured image here is heavily cropped. I've also added to the gallery an early observation from May, 2024 using the Seestar. Both images depict an apparently small, round cluster against a star-field mottled with dark nebulae. Located at -20 declination, which puts this quite low on the horizon at 42°N.
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