Tuesday, March 9, 2021

M37 and the Seagull nebula

Captured with AstroDMx Capture for macOS. Camera an Atik 314L mono CCD camera. When guiding, PHD2 with a Fedora Linux computer, a 50mm guidescope and a QHY 5-II guiding camera were used.

Click on an image to get a closer view

M37 open cluster in Auriga. Stack of 35 x 20s exposures


The Seagull nebula was imaged on two nights. Firstly with 9 x 5min unguided exposures and on the second night with 8 x 10min guided exposures, all with matching dark frames. The images were all saved as FITS images and were stacked in Affinity Photo using flat fields. The two resulting images were stitched together in Affinity Photo and post processed in Affinity Photo, the Gimp 2.10, and Neat Image.

The Seagull nebula mosaic


The equipment used to capture the Seagull nebula


Steve Wainwright and Nicola Mackin

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