Saturday, 15 September 2012

M55




M55 / NGC6809
Constellation - Sagittarius
Globular cluster
Distance - 17000 Ly

Date - 14/9/12
Seeing - Antoniadi II
SQM - 21.11 (NELM 6.1)

Telescope - 12" f/5
EP - 17.3mm Delos x88 TFoV 0˚49

Sketch materials - White pastel pencil and white ink pen

Sketch notes
Large globular cluster which gradually brightens from the core but with few bright stars, this was the case when I viewed it with higher mags aswell.
One satellite and two comets streaked through the FoV while observing M55!!

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