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| Messier/type: | M55 / globular cluster |
| mag/dia/dist: | 6.3 / 19' / 17,000 ly |
| constellation: | Sagittarius |
| date/time/place: | May 5, 01 / 04:40 / bangkok |
| trans'y/seeing/l-poll: | low / good / medium-low |
| telescope: | newtonian 4.5" f8.8 |
| eyepieces/power: | 25mm / 40x |
| sky atlas page: | 22 |
Start hopping from the tea pot's handle comprises of four star 27,34,40 & 38.
From star 38 & 40 hop to two pointer stars ,6 degree on East direction.
Two stars mag6 point to M55.
Hop in pointer direction about 6 degree, new star mag6 and two stars mag6.5
will appear in FOV of finder scope. M55 locates about half way between the star mag6
and stars mag6.5. At eyepiece, M55 appeared as faint, round, large smudge of light
locates in poor star field.
Refer to text: Low concentration, bright, large, round and very rich, extend 110 ly.
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