Quote:
Originally Posted by Slawomir
Don't worry Lewis about your lost 5 hrs,
Assuming you will utilise 30 nights a year and 6 hours per night, multiplied by say 60 years of astrophotographing that gives us 10800 hours of collecting sky data...
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Subtract 50% for equipment niggles, 25% for not being able to image because of work, 25% for bad weather and 25% for being in the middle of upgrading your equipment and waiting for adapters etc that mean you spend 2,200 hours in the negative for no images!!!
Greg.