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Part of M45, showing the nebulosity Credit: Chris Rowland

Part of M45, showing the nebulosity Credit: Chris Rowland

Description : Scope: ST80 piggyback on NS11 GPS
Camera: DSI-C with 0.5 focal reducer
36 x 15secs and 34 x 4 secs; excessively processed using IRIS.
From: Jan Dell (Fri 03 Nov 2006 11:25:33 AM CST)
This is an interesting image. Are the blue dots hot pixels, and are the other colours being yellow and almost orange in colour different categories of stars or are they more hot pixels? The nebulosity is definitely noticeable. It sounds very difficult to process these. Is Iris like Registax?

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