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Teide Observatory Arm Rotation Animation


Arm Rotation Movie from the IAC80 Telescope

New Spiral Jet in Comet Hale-Bopp. The new Hale-Bopp animation which we attach shows the development of what appears to be a new and extremely bright jet in Comet Hale-Bopp (1995 O1). The comet has been observed virtually every night in September with the 82cm IAC-80 Telescope in Teide Observatory (Tenerife, Canary Islands, Spain). Sequences of 300s exposures were taken in R for as long as the comet was visible each night (horizon limit approximately 20 degrees altitude). The latest images which show the development of the jet were taken on September 26th, 27th , 28th and October 2nd, 3th, 4th. They have been flat-fielded and overscan corrected and then aligned to give a constant position for the nucleus. The images were then processed using a standard unsharp mask and summed. All images are looked at individually, and any bad ones (eg: poor guiding) are excluded from the summed image. In the images North is up East is left.

Images taken by: Ricard Casas, Luis Chinarro, Angel Gomez, Luis Manade and Miquel Serra-Ricart

Reduced by: Ruth Torres-Chico and Miquel Serra-Ricart

Animation by: Miquel Serra-Ricart

Analysis and text: Mark Kidger and Ruth Torres-Chico

red_dot.gif Teide Observatory Animation (MPEG, 23K)

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