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This image was collected with a Stellina observation station from Vaonis. The Stellina is an 80 mm f/5 telescope that
uses a Sony Exmor R IMX178LQJ 6.44 Megapixel Color CMOS Image Sensor.
The advantage of the Stellina is the easy of setup and ease of transport. Setup takes about 10 minutes before you are imaging.
One of the limitations though is that each image is only collected for 10 seconds, so many images must be stacked.
This image was collected on Sept 7-8, 2021 for a total time of 10 minutes.
The night had low ground fog but was relatively clear. Conveniently, the streetlight was out in front of the house.
M13 is a globular cluster in Hercules. It is magnitude 7. It has a size of 16.6' or 160 light years.
It is located approximately 22,000 light years from the earth.
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