Medusa Nebula

This is a pretty faint nebula, an 8800 year-old planetary nebula, situated a little northeast of Procyon.

It’s surface brightness is very low. During the imaging session, the nebula was almost invisible on the monitor. I’m really surprised it came out so good. Obviously this is not a narrowband image, it’s created using a One Shot Color camera.

Do click for a larger view.

The Medusa Nebula in Gemini, NGC 2395 153x120seconds Gain 0, a bit more then 5 hours. The sky did not reach SQM 20 so it was not so good.

First light ASI2600MC

(Click on the image to enlarge)

M51 14x300s SQM20 27MEI2020 ASI2600MC ESPRIT120 F7 Gain0 -10C 100% V2

Really need to learn how to use this camera and process the images, very different again from B/W and DSLR. The gain was set to “0” (“Maximum dynamic range”). Using the 120mm Esprit @ F7 native focal length of 883mm. As a first impression also the camera takes a lot longer to cool down compared to the ASI183MM and the files are pretty large at 50 Mb.

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