M42 The Great Orion Nebula

M42 The Orion Nebula in Ha M42 The Orion Nebula in HaRGB
Object: The Orion Nebula (M42)
Date: Ha: November 18, 2015

RGB: November 6, 2015

Equipment: Telescope: Celestron C9.25 + Hutech OAG5 + SBIG Remote Guide Head

Camera: SBIG ST-10XME w/ CFW10 (Astrodon 3nm Ha & E Series Gen 2 RGB Filters)

Mount: Losmandy G11/Gemini 2 GoTo

Exposure Info: Ha:

47 x 15 seonds

21 x 300 seconds

R:

7 x 15 seconds

5 x 300 seconds

G:

11 x 15 seconds

5 x 300 seconds

B:

11 x 15 seconds

5 x 300 seconds

Total Ha exposure: 198 mins

Processing: Maxim DL 5.23, Photoshop CS6
Notes: Multiple layer were used to preserve the Trapezium stars in M42.