Archive for July, 2012

Coding Opportunities for Students: JHelioviewer and SunPy join ESA’s Summer of Code in Space

ESA Summer of Code in Space 2012 (SOCIS) is a program run by the European Space Agency. It offers student developers stipends to write code for various space-related open source software projects. Through SOCIS, students will be paired with mentors from participating project teams, thus gaining exposure to real-world software development. The program is inspired by (but not affiliated or related in any way to) Google’s Summer of Code initiative.

JHelioviewer, in collaboration with the start-up company Luxunda, and SunPy have been selected as mentoring organizations, and students are encouraged to apply until 27 July 2012 (11 am UTC).

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User highlight: Comet 96P/Machholz returns

YouTube and user otraLoly shared this short video of the return of Comet 96P/Machholz to the LASCO-C3 field of view. Thanks for sharing your video! More images of the comet will be available soon on

The small, tadpole-like extended feature approximately in the center of the field of view in the image below is Comet 96P/Machholz.
Comet 96/PMachholz in 2012, close up

Comet 96P/Machholz has an orbital period of about 5.2 years, which means it has been seen before in LASCO observations. Here is an example image from 2007

Comet 96p/Machholz in 2007

and five years before that in 2002,

Comet 96p/Machholz in 2002

The dates for the entry of Comet 96P/Machholz were obtained from the transit page of the LASCO instrument. It is projected to be visible in the LASCO C3 field of view from July 12 – 17, and it may also be visible in the images from the STEREO A/B coronagraphs.

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Temporary delay in new AIA and HMI images

SDO AIA and HMI images are currently lagging behing real time by about 18 – 22 hours. This is due to some necessary hardware upgrades in the processing pipeline that have interrupted the flow of images. The availability of LASCO, EIT, COR1, COR2, EUVI and SWAP images is unaffected by these hardware upgrades. We expect that the lag in SDO AIA and HMI images compared to real time will be caught up in the next few hours. We apologize for the interruption in availability of near real time AIA and HMI images.

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