Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  48 Ori  ·  50 Ori)  ·  Flame Nebula  ·  HD290673  ·  HD290674  ·  HD290675  ·  HD290676  ·  HD290678  ·  HD290682  ·  HD290686  ·  HD290687  ·  HD290691  ·  HD290703  ·  HD290704  ·  HD290760  ·  HD290761  ·  HD290766  ·  HD290767  ·  HD290768  ·  HD290771  ·  HD290772  ·  HD290773  ·  HD290808  ·  HD290812  ·  HD290814  ·  HD290815  ·  HD294227  ·  HD294228  ·  HD294229  ·  HD294236  ·  And 108 more.
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horsehead and flame with TMB92, pfile
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horsehead and flame with TMB92

Equipment

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Acquisition details

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Description

horsehead, "the fan" and the flame nebulae with the TMB92ss + 0.8x reducer

9x1200s, (3h00m) astrodon 5nm Ha filter, STT-8300M with self-guided filter wheel

mach1gto

processed in pixinsight 1.8.1

the seeing last night was the best i've ever seen in more than 5 years. my auto guider was consistently reporting 0.01 - 0.02 pixels of error, which works out to something like 0.06 arc seconds of error. a good test to see if there's any flexure in the system and there seems to be a tiny bit.

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Histogram

horsehead and flame with TMB92, pfile

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Cloudy Nights