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A first attempt at some EAA, SouthWestAstro

A first attempt at some EAA

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
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A first attempt at some EAA, SouthWestAstro

A first attempt at some EAA

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Equipment

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Description

Some images from my first night of Electronically Enhanced Astronomy (EAA). I usually do both imaging and visual observation. EAA had been suggested to me as a way of doing observation that is like enhanced visual observation where the longer exposure time reveals features not visible through an eyepiece at typical telescope apertures.

The implementation of EAA on the ASIAIR using the live stack feature is especially convenient in that you can preload or prepare calibration frames that are used in the live stack. I used 10 sec light frames stacked over 10 minutes to create the images, which are presented in a mosaic in the display seen here. I preloaded bias and flat frames which I had made previously. I had problems adding dark frames but they are probably not necessary for such short exposures in this context.

My equipment for this was an AT60ED with a 0.8 reducer and an ASI294MC Pro. I also used an Optolong L-Pro filter. I used an AM5 mount.

EAA is fun. You get to see the image develop in front of you and it is a very nice way to survey the night sky over a few hours.

On the other hand EAA is very different from visual observation through an eyepiece. Seeing your target appear in an eyepiece for the first time is a special experience that cannot be duplicated digitally.

But EAA is its own thing. It's a wonderful method, especially for DSO's which are not easy to see visually in light polluted skies.

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A first attempt at some EAA, SouthWestAstro