Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC 1999  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
Getting plate-solving status, please wait...
M42 + M43 + NGC1977, firstLight
M42 + M43 + NGC1977
Powered byPixInsight
Getting plate-solving status, please wait...
M42 + M43 + NGC1977, firstLight
M42 + M43 + NGC1977
Powered byPixInsight

Equipment

Loading...

Acquisition details

Loading...

Description

Camera: Canon EOS 5D Mark IV

Lens:
- old Canon EF 1:4.0-5.6/70-300mm IS USM
- set to f/5.6@F=300mm

Mount:
- Omegon LX3
- set offer with polar finder lens + ball head

Tripod:
- Bilora Carbon with Sirui ball head

Control:
- small programmable battery intervall timer
- Camera in "B" mode
- 20 shot series, visual control, continue

Task data:
- 90x20s + f/5.6@F=300mm + ISO 10.000
- 13 Darkframes (not really needed)
- 17 Flatframes
- 29 Biasframes
- all frames RAW, of course

Environment:
- dark night, Alpine meadow
- some days before new moon
- no man made / artificial light nearby
- 360° horizon
- minus 4°C (-4°C)
- unfortunately gusty winds now and then

Preprocessing:
- Siril (OSS) on Linux

Post processing:
- Darktable (OSS raw converter)

Comments

Sky plot

Sky plot

Histogram

M42 + M43 + NGC1977, firstLight