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Messier 33 in hydrogen alpha light.
Object Information:

Messier 33

This image of the nearby spiral galaxy Messier 33 was taken with a hydrogen alpha filter. The image nicely shows areas of emission nebula scattered throughout the galaxy. You can follow this link to see what Messier 33 looks like in color: Messier 33

Below is an enlarged portion of the frame.

Messier 22 in hydrogen alpha light

Image date:

October 13, 2017

Exposure Information:

80 x 180 second images.

Imaged at:

San Diego Astronomy Association site at Tierra del Sol, San Diego County, California

Equipment:

Takahashi MT-200 Newtonian at f/4.8, ZWO ASI1600MM-Cooled, Baader 7.5 nm hydrogen alpha filter