Messier/type:	M9 / globular cluster
mag/dia/dist:	7.8 / 11' / 22,500 ly
constellation:	Ophiuchus
date/time/place:	Apr 21, 01 / 01:00-05:00 / bangkok
trans'y/seeing/l-poll:	good / good / medium
telescope:	newtonian 4.5" f8.8
eyepieces/power:	25mm / 40x
sky atlas page:	22

start from Antares to star 22, 5 & 9 (5 & 9 are in Ophiuchus constellation). make a long hop to the east direction to a couple of double stars 24 & 26. stars 24 & 26 point to M19 ,to locate M19 to center of FOV of finder scope, stars 28 & 31 (mag6.5)help to form the imaginary triangle comprise of stars 26, 28&31 and M19. at 40x M19 apperaed as round, small, faint smudge of light. can't resolve any stars.
From M19 further hop to stars 39, 42, 44 & 51 then hop to star 40 and star 35 'sabik' Between sabik & star 35 there are double star mag6 & two stars mag6.5 which formed as triangle. M9 locates just one degree on south direction of the double star. M9 appeared as faint, round, small smudge of light.
Refer to text: medium concentration, bright, large, round, extend 75 ly. Home

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