Name: Thor's helmet or The "duck" nebula

Constellation:Canis Major

Instrument: 8-inch F5 reflector with sky watcher coma corrector and ZWO ASI 2600MC Pro (gain 100 -20C).

Exposure time: A stack of 15 five-minute exposures.

Star Chart from Michael Vlasov's Deep sky hunter star atlas available on line https://www.deepskywatch.com/deep-sky-hunter-atlas.html

 
 

Magnitude: 11.5

Angular size: 8'

NGC 2359 is an emission nebula in Canis Major that has a shape that makes it look like a pointed helmet with side wings. Others see it as a duck. Despite its small size, I chose to put it on the list because of its unique shape and it is a frequent target for astrophotographers.

Go to AP#33 NGC 2403

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