PANSTARRS @ 300mm

A quick outing last night to catch PANSTARRS through a gap in the clouds.

300mm f/5.6, ISO 3200, 2 sec.

300mm f/5.6, ISO 3200, 2 sec.

300mm from a fixed tripod will produce short star trails very quickly, so I used the EQ3-2 mount, RA driven.  It only needs a vague polar alignment for this – as the latitude is already set, I just place the tripod with the RA axis pointing roughly to where I already know is North.  That’s it.  No sighting, no levelling, no adjustment.  Good enough for a few seconds at 300mm.

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