noctilove
30
AUG
2013
M13 Globular Cluster in Hercules

Testing out the barn door tracker

Looking to test the newly improved ‘barn door’ tracker to its limit, I dusted off my old Sigma 75-200mm/f3.8 with 2x tele-converter. But with a hefty 600mm 35mm equivalent focal length, I was prepared for the worst. After less than a minute of polar alignment, and...
18
AUG
2013
sunspots nikon D7000

Sunspots

The current solar maximum is on track to become the weakest in over 100 years. That is pretty disappointing news (and slightly worrisome!) if you’re a fan of auroras, solar flares and sunspots. But despite the low activity, I have put the bargain £12 sigma and 2x...