Contains:  Solar system body or event
Double Iridium Flare, thargos

Double Iridium Flare

Double Iridium Flare, thargos

Double Iridium Flare

Equipment

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Acquisition details

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Description

Targets: Iridium 83 and 90

Date: 08 April 2015

Location: 45.8301°N, 4.4185°E (France, roughly 50 kms from Lyon, few inhabitants in deep country side)

Light pollution: Low. Around 3 (in stellarium)

Time: roughly from 21:37:00 to 21:40:00 CEST (UTC+0200)

Iridium 83 Flare at 21:38:25 CEST (UTC+0200) (the flare at the top) with magnitude -8.4

Iridium 90 Flare at 21:39:01 CEST (UTC+0200) (below iridium 83) with magnitude -7.4

Camera Model Name : Canon EOS 450D

ISO : 400

Aperture Value : 4.6

Focal Length : 18.0 mm

Bulb Duration : 196 seconds

Focus Mode : Manual Focus (3)

Lens Type : Canon EF-S 18-55mm f/3.5-5.6 IS

White Balance : Auto

Camera Temperature : 17 °C Image Size : 4272x2848

Long Exposure Noise Reduction : Off

High ISO Noise Reduction : Off

One shot, no stacking, no dark frame removal as I don't know yet how

to do this on debian GNU/Linux. No editing. I have the raw data file

but I have let the camera produce the .jpg file automatically.

Comments

Histogram

Double Iridium Flare, thargos