Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  De Mairan's nebula  ·  Great Orion Nebula  ·  Hatysa  ·  LBN 974  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  Orion Nebula  ·  Sh2-281  ·  The star 42Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  the Running Man Nebula
The Great Orion Nebula, Duane Melvin
Powered byPixInsight

The Great Orion Nebula

The Great Orion Nebula, Duane Melvin
Powered byPixInsight

The Great Orion Nebula

Equipment

Loading...

Acquisition details

Loading...

Description

C8 SCT Celestron Nexstar Telescope (2021 model)
with 0.63x reducer;  203mm x 2030mm F10          (effective F6.3 1278.9mm Focal Length)
G26 main camera, color, 16 bits, APS-C sensor    cooled to -15C

Astromania adjustable 2-inch helical backfocuser for exact 105mm back focus
Optolong L-Extreme filter in Starizona Magnetic Tray

EQ6R PRO mount
QHY CCD Polemaster NCP alignment system, camera/software

Orion 80x300 guide scope with starshoot autoguider TM camera ST4 to mount
PHD2 guiding with  plus/minus 0.2 Pixel guide performance at 3.76u pixel size

SVBony wrap heaters
Synscan hand control used for all control functions, one-star alignment procedure (Capella)
Telrad finder device
Synscannit cell app used as my real-time source for location, time, time zone, date, altitude, etc
APT image capture, exposure sequencing, and camera cooler control

Deep sky stacker    90 subs at 45 Seconds each, 32 best were chosen to stack (chosen by the software) 
35 darks, 11 Flats, 11 Bias

Photoshop, star spikes 4 plugin

Comments

Sky plot

Sky plot

Histogram

The Great Orion Nebula, Duane Melvin