Taken 22-Nov-11
Visitors 15


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18 of 44 photos

Messier 42 - The Orion Nebula

Subexposures: 3+4+3+3 minutes for the nebula and 0.3 & 0.1 minutes for its core.

Data:
Telescope: FL=530mm, f/5, ISO400
Filter against the light pollution: IDAS-LPS-P2
Camera: Nikon d3100 unmod. in NEF (raw format)
Stretching & Histogramm of each NEF photo: Aperture (Mac)
Export in TIFF (16Bit): Aperture (Mac)
Alignment: MaximDL (2 stars manual)
Stacking: MaximDL (Media filter, default settings)
Unsharp Mask: PSE (Win)
Histogram: Aperture (Mac)
Conversion in JPG ormat: Aperture (Mac)
Reprocessing in July 2016: Photos App with Intensify, Starspikes
NIKON CORPORATION

Categories & Keywords
Category:Scenic
Subcategory:Landscapes
Subcategory Detail:
Keywords:

Messier 42 - The Orion Nebula