Reply To: Observing tonight?

[fealeybob14]

Thanks Josef! Finally, the image below, (while not a true masking effect), shows how combining a previous evening’s longer exposure of M 42 with a shorter exposure highlighting the trapezium allows some detail to be seen in the bright center of M 42 and the “bat wing” appearance of the nebula.

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   orion-M42-without-and-with-center-attenuation-reduced.gif