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kees scherer

The Andromeda Galaxy, Messier 31

2018 version. A total of 17.4 hrs integration time with Red, Green and Blue filters on QHY16200 CCD cooled to -20C attached to Esprit 100 f5.5 refractor. (209 subs of 300 seconds) Imaged on 10,11,12,14,15 & 16 Aug 2018.

Processed with Astropixelprocessor using 2 x Drizzle and 60 Darks, 256 Bias and 25x3 Flatframes. Further processing in Pixinsight (PhotometricColorCalibration, Arcsinh Stretch, Curves, HDRMultiscale, LocalHistogramEqualisation.)

This is the full version of this image: www.flickr.com/photos/kees-scherer/30243178338/in/datepos...

Knight Observatory, Tomar

Used: www.numerama.com/sciences/463614-la-galaxie-andromede-vie...

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Uploaded on September 22, 2018

The Andromeda Galaxy, Messier 31

2018 version. A total of 17.4 hrs integration time with Red, Green and Blue filters on QHY16200 CCD cooled to -20C attached to Esprit 100 f5.5 refractor. (209 subs of 300 seconds) Imaged on 10,11,12,14,15 & 16 Aug 2018.

Processed with Astropixelprocessor using 2 x Drizzle and 60 Darks, 256 Bias and 25x3 Flatframes. Further processing in Pixinsight (PhotometricColorCalibration, Arcsinh Stretch, Curves, HDRMultiscale, LocalHistogramEqualisation.)

This is the full version of this image: www.flickr.com/photos/kees-scherer/30243178338/in/datepos...

Knight Observatory, Tomar

Used: www.numerama.com/sciences/463614-la-galaxie-andromede-vie...