Observation by Dean Ashton: Messier 92

Uploaded by

Paul Downing, FRAS

Observer

Dean Ashton

Observed

2018 Mar 30 - 22:00

Uploaded

2018 Mar 31 - 09:29

Objects

M92

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Constellation

Hercules

Field centre

RA: 17h17m
Dec: +43°07'
Position angle: -6°39'

Field size

0°25' × 0°19'

Equipment
  • Celestron 235mm EdgeHD
  • Celestron Nightscape 10100 CCD
  • Loadstarx2 Guide camera with off axis guiding
Exposure

20x300sec f/10

Location

St Austell, Cornwall, UK

Target name

Messier 92

Title

Messier 92

About this image

It's a while since we featured a globular cluster as Picture of the Week, but this one of M92 by Dean Ashton is very nice.  M92 is actually an intrinsically brighter cluster than M13 but because of its greater distance from us, 26 light years, it appears smaller.  M92 is also remarkable for being the oldest globular cluster in our Milky Way, at 14.2 billion years, roughly the age of the universe.  M92 is around 110 light years across.

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