Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  36 ups Ori  ·  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  49 d Ori  ·  De Mairan's nebula  ·  Great Orion Nebula  ·  Hatysa  ·  IC 420  ·  IC 430  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1924  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC 1999  ·  Orion  ·  Orion Nebula  ·  Sh2-279  ·  Sh2-281  ·  Thabit  ·  And 12 more.
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M42 and surroundings - Wei-Hao Wang's Raw Data, pfile
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M42 and surroundings - Wei-Hao Wang's Raw Data

Getting plate-solving status, please wait...
M42 and surroundings - Wei-Hao Wang's Raw Data, pfile
Powered byPixInsight

M42 and surroundings - Wei-Hao Wang's Raw Data

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Description

This is M42 and surroundings, the raw data for which was made public a couple of days back by Wei-Hao Wang. The link to the data release announcement is here: https://www.astrobin.com/nnu6nm/?nc=user

this data was acquired on 2019-12-23 using a Pentax 645z DSLR and an FSQ106 on a CEM40 mount.

the data consists of 20x300s and 20x20s lights, with 13 300s darks and 24 2s flats (which were bias calibrated.)

the location was 大雪山 (Daxueshan). i think this is probably the one in Taiwan rather than the one in mainland china given WHW's location.

all processing in PixInsight 1.8.8-7.

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M42 and surroundings - Wei-Hao Wang's Raw Data, pfile