The Ptolemy Cluster, M7, at Prime Focus

M7 unguided image with a Questar 3.5" telescope and Sony a6300 at prime focus. Taken 2016-07-31 at 06:00 UT from suburban Austin Texas. Total exposure 90 sec, 18 exposures for 5 sec at ISO 1600 with 8 darks stacked in Nebulosity and exposure stretched in Photoshop.

Images taken with the focal reducer are coming next.

Content created: 2016-08-01

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