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10.1'' reflector 192 x This globular cluster is easily spotted while scanning the skies in the northern part of the constellation at lower powers, 64x and less, perhaps because this area is devoid of a lot of bright objects. Applying a little more magnification to it provided a good framing for the sketch (the 6mm setting on my 5-8mm zoom eyepiece). This globular is not as bright as the Great Hercules Cluster but is still very impressive. It's core is bright and very tight, getting much looser towards the edges with a nice sprinkling of stars across the face; estimate ~50 stars are resolvable. Three little bright stars are nestled together in a straight line on the east-side of the core. Estimate size to be about 5' across. Discovered initially by J.E. Bode in 1777, Messier added this to his catalog in 1781. M92 is about 80 light years in diameter and 25,000 light years distant, roughly the same distance as M13. North at 8 o'clock, East at 5 o'clock |
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10.1'' reflector Mallincam DS432cTEC Exposures = 2.5 sec, Gain = 56/250, Live Stacked frames = 47 Unlike the naked eye view described in the sketch above, the core is so bright that stars at the very center are difficult to resolve using the Mallincam DS432 regardless of exposure or gain used. The size of M92 is also evidently much larger, appearing to be about 15 arc minutes across. North at 10 o'clock, East at 7 o'clock |