Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  De Mairan's nebula  ·  Great Orion Nebula  ·  Hatysa  ·  IC 420  ·  LBN 963  ·  LBN 974  ·  LBN 977  ·  LBN 979  ·  LDN 1640  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC 1999  ·  Orion Nebula  ·  Sh2-279  ·  Sh2-281  ·  The star 42Ori  ·  And 8 more.
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Great Orion nebula, Duane Melvin
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Great Orion nebula

Getting plate-solving status, please wait...
Great Orion nebula, Duane Melvin
Powered byPixInsight

Great Orion nebula

Equipment

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Acquisition details

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Description

60 Subframes 30 Seconds each    30 minutes total      21 Degrees F ambient     

1-3 and 1-4 of 2022

72 x 420 Evostar 72ED APO doublet refractor with Optolong CLS filter
G26 Color 16 bit camera cooled to -15C
Bahtinov mask manual focusing

EQ6R PRO Mount
Polemaster NCP exact alignment
Synscan hand controller 1-star alignment (Capella)

Orion Starshoot TM Autoguider camera  on 80 x 300 refractor guide scope on ST4 cable direct to mount
PhD2 guiding 

SVBony wrap heaters on both scopes objectives

APT main image capture
Deep sky stacker
PS final edits

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Great Orion nebula, Duane Melvin