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  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  Orion Nebula  ·  Sh2-279  ·  Sh2-281  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  the Running Man Nebula
Messier 42 - Orion Nebula (Ha-S-II-O-III), Rich Sky
Powered byPixInsight
Messier 42 - Orion Nebula (Ha-S-II-O-III), Rich Sky
Powered byPixInsight

Equipment

Loading...

Acquisition details

Loading...

Description

Project completed on 28-02-2020 during a fair imaging night.

______________________________________________

S-II data acquired at 120s.

Focus: 10,491 (SGP would not recognise focuser, resolution, PC re-start)

Mean: 915

Stars: 242

HFR: 2.96 (very high -> don't know why)

______________________________________

O-III Data

Focus: 10,510, HFR=1.2 Q=100%

Mean ADU: 1474

Stars: 148

HFR 2.13

Guiding: 1.3"

_____________________________

Ha Data

Focus: 10,487

Mean Adu: 1815

Hfr: 2.49 (High) ~ 1.8 is ideal for my area.

Stars: 142

_________________________________

Processed color mix matrix using StarTools 1.6

Red: 60 S-II + 40 Ha (2.5)

Green: 30 S-II + 30 Ha + 60 O-III (4.04)

Blue: 100 O-III (3.33)

Comments

Sky plot

Sky plot

Histogram

Messier 42 - Orion Nebula (Ha-S-II-O-III), Rich Sky