Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  Lagoon nebula  ·  M 20  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  The star 7Sgr  ·  The star 9Sgr  ·  Trifid nebula
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Sh2 25 and Sh2 30 (M20 and M8) Collimation Test Takahashi 180ED, Jerry Yesavage
Sh2 25 and Sh2 30 (M20 and M8) Collimation Test Takahashi 180ED
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Sh2 25 and Sh2 30 (M20 and M8) Collimation Test Takahashi 180ED

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Description

Wider field than previous M8. Processing follows the Thor's Helmit example at:

http://pixinsight.com.ar/en/info/processing-examples/15/ngc-2359-thor-helmet.html

Collimation continues to be improved every few nights with slight changes.

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Sh2 25 and Sh2 30 (M20 and M8) Collimation Test Takahashi 180ED, Jerry Yesavage

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Cloudy Nights