Eta Car: first go at 200mm (Brian Boyle)

Celestial hemisphere: Southern · Constellation: Carina (Car) · Contains: Carina Nebula · IC 2599 · IC 2602 · NGC 3372 · NGC 3532 · NGC 3579 · Part of the constellation Carina (Car) · The star p Car · The star r Car · The star s Car · The star t1 Car · The star u Car · The star w Car · The star x Car · The star x Vel · The star z Car · The star θ Car · Wishing Well Cluster · eta Car Nebula · tet Car Cluster

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Eta Car: first go at 200mm

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Eta Car: first go at 200mm

Having just received my second hand Canon 200mm f2.4 lens in the post, I couldn't resist giving it a try on eta Carina for my fifth astrophotographs. Conditions were poor and I had to rely on the previous nights polar alignment (aided by the grooves in my deck) to get an approximate south.

Perhaps a brave move for my first photo at 200mm focal length, but I attempted no heroics with the integration time (30secs). In the end I got two lots of 100 x 30sec exposures and this is the result of the first tranche. The signs of the less-than-ideal tracking are there, but the lens seems very good indeed.

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Eta Car: first go at 200mm

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