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!!Long exposure times
The longest exposure time that has been used is 600 seconds.
eis_l0_20130329_100736 - a 20"x512" raster run as part of HOP 226
!!Lunar eclipses
Occasionally we see lunar eclipses from Hinode, and these can be useful for studying scattered light. Note however that the Moon moves very fast in these data-sets (around 200-300 arcsec per minute). The list below is not complete.
7-Feb-2008\\
1-Aug-2008\\
26-Jan-2009\\
15-Jan-2010 - see [EIS Software Note #12|http://solarb.mssl.ucl.ac.uk/SolarB/eis_docs/eis_notes/12_STRAY_LIGHT/eis_swnote_12.pdf] \\
11-Jul-2010\\
1-Jun-2011\\
3-Nov-2013\\
23-Oct-2014\\
21-Aug-2017 - [Hara (2019, ApJ)|https://ui.adsabs.harvard.edu/abs/2019ApJ...887..122H/abstract]
More information about the eclipses is available from the Hinode Daily Events page. For example, see [the page for 26-Jan-2009|http://www.isas.jaxa.jp/home/solar/hinode_op/hinode_daily_events.php?date=20090126]. To check other dates, use the same link, but change the date in the URL.
!!Venus transit
Hinode saw one Venus transit during the mission, from 5 to 6 June 2012. EIS mainly used the 40" slot, but there were two narrow slit data-sets obtained at the east and west limbs. Dave Williams prepared a [Youtube movie|http://youtu.be/P9tlucqGjA0] showing the EIS data.
The EIS studies used were SI_Venus_slot_v1, SI_Venus_slot_v2 and SI_Venus_slit and SI_Venus_slit_v2, which were run between 21:05 UT on 5-Jun and 05:50 UT on 6-Jun.
This page (revision-4) was last changed on 18-Apr-2021 19:11 by Peter YoungTop