Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  41 the01 Ori  ·  42 Ori)  ·  42 c Ori  ·  43 Ori)  ·  43 the02 Ori  ·  44 Ori)  ·  44 iot Ori  ·  45 Ori  ·  Great Orion Nebula  ·  HD36712  ·  HD36742  ·  HD36782  ·  HD36843  ·  HD36866  ·  HD36884  ·  HD36899  ·  HD36917  ·  HD36918  ·  HD36919  ·  HD36938  ·  HD36939  ·  HD36958  ·  HD36959  ·  HD36960  ·  HD36981  ·  HD36982  ·  HD36983  ·  And 46 more.
Getting plate-solving status, please wait...
M42 in the moonlight, Alt-Az test image, Bruce Van Deventer
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M42 in the moonlight, Alt-Az test image

Getting plate-solving status, please wait...
M42 in the moonlight, Alt-Az test image, Bruce Van Deventer
Powered byPixInsight

M42 in the moonlight, Alt-Az test image

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Description

Test image stack of M42 taken from my driveway in Ellensburg, WA, using the Xerxes Scientific D5D11 mount in alt-azimuth mode, with no guiding. The bat shaped stars are a collimation or astigmatism issue with the SCA260 that I haven't had time to work out. It's a stack of 13 30 second exposures, using ASTAP for stacking.

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M42 in the moonlight, Alt-Az test image, Bruce Van Deventer