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| Messier/type: | M93 / open cluster |
| mag/dia/dist: | 6.2 / 10' / 3,600 ly |
| constellation: | Puppis |
| date/time/place: | Jan 23, 2001 / 00:00 / bangkok |
| trans'y/seeing/l-poll: | fair-low / fair / medium |
| telescope: | newtonian 4.5" f8.8 |
| eyepieces/power: | 25mm / 40x |
| sky atlas page: | 19 |
Start star hopping from Sirius in Canis major hop to stars 19, 17 & 15
-->star 24--star 25-->star 31. Hop to sstar 7 in Puppis.
Center at star 7, there are star mag5 & star mag6 close to star 7 on west direction,
these three stars formed as equal sides triangle. M93 locates near star mag6 about
one degree to north direction. Center at estimated position of M93, also used triangle
technic to help as star 7, star mag6 & M93 itself formed as another triangle.
At eyepiece, M93 appeared as small open cluster, unresolved stars look like nebulosity
on background.
Refer to text: 80 stars, max mag8.2, extend 22 ly, age 98 million years
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