MetOp-A satellite flare

MetOp-A satellite streaks on the left

Launched in 2006, MetOp-A is the first European operational meteorological satellite, which is in a polar orbit. It currently serves as the backup of the MetOp-B that was launched in 2012. They also exhibit flares, although relatively less frequent and dimmer compared to the Iridium fleet.

This photo is a first for me in many aspects. It's the first time I did a long-exposure capture of a satellite flare. Previous ones were done in burst shots, then later animated and/or composited. It's also the first time that I used SX50 HS to capture a flare. iPhone 5S is better at burst shots, but not long exposure. Finally, this is the first non-Iridium flare that I caught in a photo.

The satellite moved downward in the northern sky, below the bright Polaris visible on the left side of the photo. If you click on the photo for a larger version, you can see most of the constellation Ursa Minor / Little Dipper covering the top part.

Considering the light pollution, this observation suggests that the satellite needs to be at least -1.0 magnitude at maximum, and be more than 30 degrees above horizon to make a noticeable streak in the photo. I guess that explains why I couldn't catch Tiangong-1 space station on photo several months ago.

Device: Canon SX50 HS
Settings: 45mm - ISO 200 - 15s - f/4.0
Filters: None
Time: 2014-04-08 21:26:38 KST
Location: Suwon, Korea
Max Magnitude: -2.2


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Wesley's Tool-Box on : Ursa Major & Leo Minor

Continue reading "Ursa Major & Leo Minor"
Ursa Major (yellow, left) and Leo Minor (blue, right) Shortly after watching the MetOp-A satellite flare, I pointed the camera vertically up for a test of how long I could leave the shutter open before the light pollution whitened things out. In the proc


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