File:Teegarden's star proper motion.gif

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Original file (2,400 × 1,600 pixels, file size: 2.66 MB, MIME type: image/gif, looped, 4 frames, 4.0 s)

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Summary

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Description
English: Teegarden's star showing proper motion, photographed at intervals of about two years.
Español: Movimiento propio de la Estrella de Teegarden, fotografiada a intervalos de aproximadamente dos años.
Date
Source Own work
Author IndividusObservantis
  • Location: Bakersfield, CA, US.
  • Each frame of the GIF file is processed from a stack of several pictures using software developed by the author.
  • All individual pictures in each stack had an exposure of 15 seconds at ISO 1600.
  • Equipment: Canon EOS Rebel XS, (Rebel T7i used on third frame) directly coupled to the back of a Celestron CPC 1100 with a 0.63 corrector/reducer, and Alt-Azimuth mount with no wedge.
  • Adobe Photoshop was used to produce the GIF file without modifying any images.

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

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Date/TimeThumbnailDimensionsUserComment
current22:41, 7 December 2020Thumbnail for version as of 22:41, 7 December 20202,400 × 1,600 (2.66 MB)IndividusObservantis (talk | contribs)Added frame corresponding to Teegarden's star position at the end of 2020.
01:48, 25 December 2018Thumbnail for version as of 01:48, 25 December 20182,400 × 1,600 (2.31 MB)IndividusObservantis (talk | contribs)Last version had an error in the third frame in the stacking of one out of 75 frames. This produced a couple of faint light dots resembling stars in places where there are no stars. This version corrects such error.
20:35, 23 December 2018Thumbnail for version as of 20:35, 23 December 20182,400 × 1,600 (2.35 MB)IndividusObservantis (talk | contribs)Added scale legend, initially removed in 2018 version inadvertently.
23:03, 22 December 2018Thumbnail for version as of 23:03, 22 December 20182,400 × 1,600 (2.34 MB)IndividusObservantis (talk | contribs)Added frame corresponding to the end of 2018.
03:19, 6 February 2017Thumbnail for version as of 03:19, 6 February 20172,400 × 1,600 (1.02 MB)IndividusObservantis (talk | contribs)User created page with UploadWizard

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