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Yeqzids / timelapse.md
Last active December 14, 2018 07:22 — forked from porjo/timelapse.md
ffmpeg time-lapse

Convert sequence of JPEG images to MP4 video

Simple glob:

ffmpeg -r 24 -pattern_type glob -i '*.JPG' -s hd1080 -vcodec libx264 timelapse.mp4

Start from DSC_0079.JPG

ffmpeg -r 24 -f image2 -start_number 79 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse2.mp4
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Yeqzids / jpl2mpc.py
Last active August 6, 2018 20:24 — forked from mkelley/jpl2mpc.py
Convert between JPL and MPC cometary orbital elements. Does not work for all comets.
import argparse
import warnings
from astropy.time import Time
from astropy.utils.exceptions import AstropyWarning
parser = argparse.ArgumentParser(
description='Convert JPL comet orbits to MPC comet orbits.')
parser.add_argument('jpl_file', help='JPL formatted file')
parser.add_argument('--halt-on-error', action='store_true',
help='stop on errors parsing the JPL file')