Solar&Planetary LtE Now for CMO/ISMO #59 (CMO #433)

Solar & Planetary LtE Now for CMO/ISMO #59 (CMO #433)

Not every email is necessarily cited in the PDF’s CMO LtE

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The latest is at the top

¤····Subject: Large regional dust storm activities

Received: 1 April 2015 at 11:56 JST

Dear all,

MRO MARCI Weather Report for the week of 23 March 2015 – 29 March 2015 shows some large scale dust activities：

The comment says "Active dust lifting south of Hellas continued during the first few days of the week, contributing suspended particles to a lingering haze that extended across the southern high latitudes. Portions of the high latitude residual haze extended north into Cimmeria and Sirenum, up to around 45 degrees latitude. Multiple frontal dust storms were observed moving south along the Acidalia storms track into Chryse and eastern Valles Marineris. A large regional storm towards the end of the week crossed the equator and expanded into the region extending across Solis, Margaritifer, Aonia, and the Argyre Basin. The pulses of storms in Acidalia and Chryse contributed to thick dust hazes settling in the canyons of Valles Marineris east of Melas Chasma. Localized dust storm were also observed over the course of the week in Amazonis, northwestern Arabia, Deuteronilus, Utopia, near the Elysium Montes, and in Tyrrhena. The increased frequency of dust-lifting events and onset of cross-equatorial activity along the Acidlaia storm-track observed this past week is consistent with the timing noted in previous years. Although global background atmospheric opacities continue to rise with increased storm activity, both rover sites were not directly in the paths of any storms and remain relatively clear and storm-free."

http://www.msss.com/msss_images/2015/04/01/

Best Regards,

Reiichi KONNAï (Fukushima, JAPAN)

¤····Subject: Re: March 20th 2015 Total Eclipse - A personal account...

Received: 1 April 2015 at 07:14 JST

Pete,

Thank you for the descriptive and well illustrated account of the cruise ship solar eclipse tour that you, you wife, Dr. Paul Abel, and friends shared recently. Through careful planning and some degree of luck was well you were successful in your endeavor. The images and video of the event are spectacular! I am glad that you all were able to experience such excitement for one of natures most beautiful events.

Regards,

Carlos HERNANDEZ (Miami, FL)

¤····Subject: March 20th 2015 Total Eclipse - A personal account...

Received: 31 March 2015 at 19:27 JST

Hi All,

Here's my final personal report of eclipse day with some new pics included...

https://nightskydiary.wordpress.com/2015/03/28/eclipse-day-march-20th-2015/

Best regards,

Pete Lawrence (Selsey, WS, the UK)

¤····Subject: Jupiter March 11

Received: 30 March 2015 at 00:18 JST

Another pair this time from the boring side, from March 11

http://www.astrosurf.com/pcasquinha/jup150311.jpg

Regards

Paulo CASQUINHA (PORTUGAL)

¤····Subject: RE: Jupiter March 10

Received: 30 March 2015 at 00:02 JST

Hi Mike

The all GRS had a very complex structure by this time, look at this contrasted Red image.

http://www.astrosurf.com/pcasquinha/jup150310_Red.jpg

Best Regards

Paulo CASQUINHA (PORTUGAL)

¤····Subject: Saturn 28 March 2015

Received: 30 March 2015 at 00:05 JST

Saturn images: J150328

Tomio AKUTSU (Tochigi, JAPAN)

¤····Subject: Jupiter 21, 27, 28 March 2015

Received: 29 March 2015 at 23:52 JST

Jupiter images: J150321

Jupiter images: J150327

Jupiter images: J150328

Tomio AKUTSU (Tochigi, JAPAN)

¤····Subject: 27 March 2015 massive prominence eruption animation

Received: 28 March 2015 at 17:47 JST

Here is the first of two animations of this event this one is over exposed the surface to pick out the prominences and runs from 10:08 to 14:02 UT a 19 mb gif file. The second is still to process.

Regards

Andrew DEVEY (SPAIN)

My website

¤····Subject: Re: Jupiter March 10

Received: 28 March 2015 at 11:41 JST

There is a curious black dot in the swirl to the lower right of the GRS.

Mike MATTEI (MA, the USA)

¤····Subject: Jupiter March 10

Received: 28 March 2015 at 08:01 JST

A pair of images from March 10

http://www.astrosurf.com/pcasquinha/jup150310.jpg

Regards

Paulo CASQUINHA (PORTUGAL)

¤····Subject: JUPITER AND SOLAR IMAGES MARCH 2015

Received: 28 March 2015 at 01:55 JST

Hi Guys here are a handful of solar images from last week and a set of Jupiter from the 22nd’s good seeing. Although the sun has been a little quiet, there has been enough activity to produce some spectacular chromospheric distortions.

Best wishes

Dave TYLER (Bucks, the UK)

www.david-tyler.com
Ham call G4PIE

¤····Subject: Jupiter 26 March 2015.

Received: 27 March 2015 at 23:43 JST

Hi, all

RGB/IR image set from 26 March.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Re: Mars 26 March 2015

Received: 27 March 2015 at 22:22 JST

Hi, Richard

Thank you very much for your comments. It has been quite a learning curve for me, both from a Mars perspective as well as the image capture and processing aspects(still lots to learn!!). I think that this being my first serious Mars apparition has certainly helped me maintain my enthusiasm, as well as the positive feedback that I have had from you all, which I have really appreciated.

Images such as Damian Peach's image of September 20, 2013 at 4.3" indeed sets an amazing standard, which I certainly aspire to. However, seeing conditions are crucial in this regards, and such conditions in the summer/late summer season where I am located, have been far from ideal. I am expecting (hoping!) conditions to improve as we move towards winter. I have been investigating weather conditions more towards the western side of South Africa (near where the SALT telescope is located), with a possibility that I might relocate my observatory to that area when I retire in a few years. We shall see.

I will continue to take Mars images as the opportunity arises, as it has very much become a habit for me now, and the first thing I look at when I leave the office in the afternoon is the western sky to see if conditions are clear!

Best regards

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Re: Mars 26 March 2015

Received: 27 March 2015 at 17:46 JST

Dear Clive

Many congratulations upon this result which is as close to normal as one can judge. The last seasonal start of any encircling storm was Ls 311 back in 1924 December, and so you are just past that point with this image. This means that, unless 2015 should prove exceptional, there will be no such event this year, though of course we cannot rule out minor activity accessible only to spacecraft. It is remarkable that you carried on for a full Martian season longer than I had anticipated, and in so doing have generated a valuable scientific result which we should all thank you for.

Somewhere in the records of Mars observing there must be an observation that would be the closest to solar conjunction. I wonder what it is?

With all good wishes

Richard McKIM (Peterborough, The UK)

¤····Subject: Mars 26 March 2015

Received: 27 March 2015 at 13:25 JST

Good evening, all

Attached IR image from this afternoon, following cloudy/stormy weather in the afternoons over the last week or so. I did try and capture RGB images, but conditions make it virtually impossible. Having had a good look at my maps and also winjupos, I am fairly convinced that the bright spot lower left of centre is at the location of Olympus Mons.

Best regards, Clyde

http://www.kwasan.kyoto-u.ac.jp/~cmo/cmons/2013/150326/CFs26Mar15.jpg

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Southern circumpolar dust storm?

Received: 27 March 2015 at 09:55 JST

Dear all,

MRO MARCI Weather Report for the week of 16 March 2015 – 22 March 2015 (λ=309～312ﾟLs) depicts a large regional dust storm in the high-latitude southern hemisphere：The comment says "Dust-lifting in the southern high latitudes of immeria-Promethei developed into a large regional dust storm over the course of the week. The storm propagated eastward from Cimmeria into Sirenum obscuring the surface up to ~50ﾟS latitude. By the end of the week, all southern longitudes from ~68ﾟS latitude and southward were obscured by atmospheric dust to varying degrees...."：

http://www.msss.com/msss_images/2015/03/25/

　　　Best Regards,

Reiichi KONNAï (Fukushima, JAPAN)

¤····Subject: Total eclipse of the Sun, March 20th, 2015

Received: 26 March 2015 at 01:39 JST

Hi All,

Just got back from a two week cruise up the Norwegian coast to view the aurora and then over into the path of totality to see the total eclipse of the Sun on March 20th. Cloud forecasts were poor for this region but with constant monitoring and a direct line to the captain of MS Boudicca, clear skies were found at the right time. A bit tense at first as it was snowing heavily at 5am on the day of the eclipse!

I will be putting up more results in due course, but for the moment, some initial ones can be seen here...

https://nightskydiary.wordpress.com/2015/03/25/march-20th-2015-solar-totality/

Best regards,

Pete Lawrence (Selsey, WS, the UK)

¤····Subject: Jupiter 2015 March 24

Received: 25 March 2015 at 09:46 JST

Here’s a couple of images taken with a colour camera in fair conditions.

David ARDITTI (Edgware, Middlesex, the Uk)
http://staglaneobservatory.co.uk
HA8 5LW

¤····Subject: Re: Dust Storm in the southern hemisphere?

Received: 23 March 2015 at 15:34 JST

Dear Reiichi.

Interesting! It is a pity that I have had bad weather conditions for the last few days, as this area should be visible at the moment for imaging. As soon as I have better weather, I will try and image.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Dust Storm in the southern hemisphere?

Received: 23 March 2015 at 02:15 JST

Dear Dr. Minami, all,

Please find attached a montage with the recent Mars Express images.

The 21 March image suggests that the wide area over Phaethontis to Electris region are covered with dust, and the south polar residual cap itself seems to be thinly veiled with dust as well.(Colored arrows show the refference craters for orientation.)

Best Regards,

Reiichi KONNAï (Fukushima, JAPAN)

¤····Subject: Jupiter 15 March 2015.

Received: 23 March 2015 at 01:44 JST

Hi, all

RGB/IR image set from 15 March. Apologies for the processing artefact in the NPR in the RGB image. Again, conditions not very good.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Saturn 21 March 2015.

Received: 23 March 2015 at 01:31 JST

Saturn images : S20150321

Tomio AKUSTU (Tochigi, JAPAN)

¤····Subject: Jupiter 15, 17, 19 March 2015

Received: 22 March 2015 at 17:36 JST

Jupiter Images : J20150315

Jupiter Images 17 March: J20150315

Jupiter Images 19 March: J20150315

Tomio AKUSTU (Tochigi, JAPAN)

¤····Subject: EPSC 2015 - Pro-am session about

Received: 22 March 2015 at 02:10 JST

Dears,

The European Planetary Science Congress (EPSC) will be held from September 27th to October 2nd 2015 this year in Nantes, France.
In particular, we would like to draw your attention to the AM1 session dedicated to "Amateur and citizens collaborations in small bodies, terrestrial, giant and exo planets professional studies", in the program group "Amateur Astronomy"

For more information please visit: http://meetingorganizer.copernicus.org/EPSC2015/sessionprogramme/AM

We would like to invite you to actively participate to this session by contributing a paper and/or meeting and exchanging views and ideas with other amateur and professional astronomers studying the solar system (planets, asteroids, comets, meteors, ...) and exoplanets.
If you are interested in making an oral or poster contribution, please fill in the abstract submission form that you will find at the web page above (abstract deadline: April 29, 2014).

Also, please feel free to circulate this message to all those who might be interested in the event.

Looking forward your contribution or participation to EPSC,

Marc DELCROIX (Tournefeuille, FRANCE)
Convener of the AM1 session, member of SOC for AM program
SAF planetary observations commission
http://astrosurf.com/delcroix

¤····Subject: Jupiter 20 March 2015.

Received: 21 March 2015 at 20:17 JST

Hi all

Two Jupiter RGB/IR image sets from 20 March. Unfortunately seeing conditions not good.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Jupiter and Solar images 17/12- March-2015

Received: 19 March 2015 at 22:52 JST

Hi Guys here are some Solar phenomena from the 12th and one Jupiter image from the little 7 inch scope, in fair seeing from the 17th . March has definitely brought some better seeing at last. Spot group AR2997 shown here in Ha and white light, was producing flares most of the time it was on show.

Best wishes

Dave TYLER (Bucks, the UK)

www.david-tyler.com
Ham call G4PIE

¤····Subject: Dust over Ausonia

Received: 19 March 2015 at 10:56 JST

Dear Clyde,

Please find attached the "Great Broken Revolving Paper Lantern" dated 15 March 2015 clearly shows a modestly large scale dust activity over the Ausonia region which seems to be in accordance with what your recent nice IR distant views of the planet of our predilection have suggested. MRO MARCI comment for the week between 9 March 2015 and 15 March 2015 says "In the southern hemisphere, dust-lifting occurred in southern Cimmeria over the course of several sols, forming a modestly large storm with dust extending south into the high-latitudes near the south polar residual cap edge."

Best Regards,

Reiichi KONNAï (Fukushima, JAPAN)

¤····Subject: Mars 16 March 2015

Received: 18 March 2015 at 01:32 JST

Good evening, all

Attached IR image. there has been a few comments over the last few days regarding the brightness of the Ausonia region as compared with Hellas.

Reiichi KONNAI kindly sent me an image from Mars Express VMC/ESA taken on the 14th March, which appears to show cloud or dust over this region.

Best regards, Clyde

http://www.kwasan.kyoto-u.ac.jp/~cmo/cmons/2013/150316/CFs16Mar15.jpg

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Dust over Ausonia?

Received: 16 March 2015 at 23:16 JST

Dear Clyde,

Please find attached an image by MEX VMC/ESA on this 14 March@showing some cloudy/dusty matter just nightside off the dawn terminator, probably over Ausonia area.

Best Regards,

Reiichi KONNAï (Fukushima, JAPAN)

¤····Subject: Jupiter Images 10th and 13-March-2015

Received: 16 March 2015 at 02:50 JST

Hi Guys a couple of evenings with some good seeing at last, slightly better on the 13th. Both evenings coinciding with the CM of the GRS. The white spot following the GRS was handy to focus on. This feature was not around in the 6th.

Best wishes

Dave TYLER (Bucks, the UK)

www.david-tyler.com
Ham call G4PIE

¤····Subject: Mars 15 March 2015

Received: 16 March 2015 at 01:50 JST

Good evening, all

Attached IR image taken in almost daylight conditions this afternoon.

Best regards, Clyde

http://www.kwasan.kyoto-u.ac.jp/~cmo/cmons/2013/150315/CFs15Mar15.jpg

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: RE: Bright Ausonia?

Received: 15 March 2015 at 19:48 JST

Dear Reichii

Than you very much- I was not aware of this website. Very useful! I havenft checked yet, but it would be interesting to see if it caught any nice images of the storms that I captured in July and October.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Bright Ausonia?

Received: 15 March 2015 at 19:10 JST

Dear Clyde,

Yes, I also expect to see the area lying near the center of your image with less influences of the limb effect.

Please find attached a Mars Express' visual monitoring camera image taken on this 13 March: unfortunately, Ausonia area was in the night side some three hours before dawn!

You can check for yourself at:
https://www.flickr.com/photos/esa_marswebcam

Best Regards,

Reiichi KONNAï (Fukushima, JAPAN)

¤····Subject: RE: PEDE

Received: 15 March 2015 at 14:46 JST

Dear Reiichi

I also noticed the rather bright region of Ausonia. However, I have noticed that limb effect (particularly brightening of certain areas on the precending limb) does appear to have an influence, and I have become a bit wary of commenting on these too early. It will be interesting to see if there is anything signifcant over the next few days as it becomes more visible.

However, weather conditions have not been good the last few days.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: RE: PEDE

Received: 14 March 2015 at 04:40 JST

Dear Reiichi

It is good to hear from you. Thank you for the comments and also for the reference to the Directors notice. Yes, I am being careful with the slewing of my telescope during these conditions(daylight)!

Richard McKim has indicated to me that the latest major encircling dust storm(in terms of the martian season) that he is aware of was on Ls311 in 1924, so we are approaching that time now. However it does look that the weather conditions in the southern hemisphere have been fairly clear and calm so far, so I am not expecting anything unusual. However, I have been
surprised a few times in this first apparition for me!

Best regards, Clyde

---------------------------------------------------

-----Original Message-----
Sent: 14 March 2015 00:42 (JST)

Subject: PEDE

Dear Clyde,

Your recent Mars images taken in the daylight are still great! Please take care not to point your telescope at the Sun!
It's around the Martian season the latest outbreaks of the planet-encircling dust events were recorded:refer to Dr. Minami's Director's Notices in 2003, #6:
http://www.hida.kyoto-u.ac.jp/~cmo/cmohk/2003ds/dr1.html
Brighter(than Hellas)Ausonia on your 12 March images are rather curious... .

Best Regards,

Reiichi KONNAI

---------------------------------------------------

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Solar Images early March 2015

Received: 13 March 2015 at 19:25 JST

What solar activity there is, has been dominated by AR2297, which has been constantly crackling with flares. Not overlooking the explosion on the 2nd and a nice display of coronal loops on the 6th. I wonder if they heralded the approach of 2297 onto the disc? The images of the CME and the loops have been rotated 90 degrees cw to show the bad boys at the top.

I have now completed an adaptor to fit a single stack 90mm Coronado Etalon to my AP178T the higher res Ha images we taken with this setup, whilst the wide field were off a DS Maxscope 90.

Seeing was average.

Best wishes

Dave TYLER (Bucks, the UK)

www.david-tyler.com
Ham call G4PIE

¤····Subject: Mars 12 March 2015

Received: 13 March 2015 at 01:36 JST

Good evening, all

Attached IR and R images taken in almost daylight conditions.

Best regards, Clyde

http://www.kwasan.kyoto-u.ac.jp/~cmo/cmons/2013/150312/CFs12Mar15.jpg

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: And now my life has changed in oh so many ways ....

Received: 13 March 2015 at 00:11 JST

March 12, 2015,

Dear Friends and Colleagues,

I'm delighted to announce that new adventures are in store for me starting next month.

Read all about it here ...

http://www.ciclops.org/news/special_news_2015Mar12.php?js=1

... or find below a news release distributed a minute ago by the Space Science Institute.

And remember ... Cassini has 2.5 years to go. So, be on the lookout for our latest findings on Enceladus, the rings and more, and some of it just around the corner.

Best wishes,

Carolyn PORCO (Boulder, CO)
Cassini Imaging Team leader
Director, CICLOPS
http://twitter.com/carolynporco
http://www.facebook.com/carolynporco
http://carolynporco.com

¤····Subject: "Phemus" 2015.02.09 (Ganymede occulting then eclipsing Io)

Received: 11 March 2015 at 07:51 JST

Dears,

Here are the results from the occultation followed by the eclipse of Io by Ganymede, under average conditions :

An animation, with Jupiter and Callisto and its shadow transiting (large file, link only) :
http://www.astrosurf.com/delcroix/images/planches/phemu20150209i-3occ1-MDe.gif

Shorter animation centered only on Ganymede and Io

http://www.astrosurf.com/delcroix/images/planches/phemu20150209j-3occ1-MDe.gif

A board with images of both "phemus":
http://www.astrosurf.com/delcroix/images/planches/phemu20150209k-3occ1-MDe.jpg

Both light curves:

http://www.astrosurf.com/delcroix/images/planches/phemu20150209-3occ1-MDe.jpg

http://www.astrosurf.com/delcroix/images/planches/phemu20150209-3ecl1-MDe.jpg

Steady skies,

Marc DELCROIX (Tournefeuille, FRANCE)
http://astrosurf.com/delcroix

¤····Subject: Jupiter images, 5th March 2015

Received: 9 March 2015 at 21:47 JST

Hi guys,
Some images taken under good seeing.

http://www.astrosurf.com/pellier/j2015-03-05_20-40_rgb_cp
http://www.astrosurf.com/pellier/j2015-03-05_20-54_rir_cp
http://www.astrosurf.com/pellier/j2015-03-05_21-18_uv_cp

http://www.astrosurf.com/pellier/j2015-03-05_21-38_ch4_cp
http://www.astrosurf.com/pellier/j2015-03-05_21-59_rir_cp
http://www.astrosurf.com/pellier/j2015-03-05_22-31_rgb_cp

http://www.astrosurf.com/pellier/j2015-03-05_23-00_rir_cp
http://www.astrosurf.com/pellier/j2015-03-05_23-09_uv_cp
http://www.astrosurf.com/pellier/j2015-03-05_23-31_ch4_cp

Note little oval in STZ (s.p. GRS) is slightly bright in CH4.

Best wishes

Christophe PELLIER (Nantes, FRANCE)

Planetary astronomy and imaging

¤····Subject: Jupiter images 2nd-6th MARCH 2015

Received: 9 March 2015 at 08:08 JST

Hi Guys here are a batch of images from the first week in March. Seeing and transparency was fair to very poor. Ifm still imaging Jupiter using a vintage AP178 T that I bought for Solar use, as I cannot get gith and the C14 on the mount together . I have settled on 37 Gamma on the ZWO , which at the moment is giving me limb gedgifacth free channels

A white spot is visible on images from the 2nd and 4th, located on the northern edge of the NEB at about 0 longitude in S2.

Best wishes

Dave TYLER (Bucks, the UK)

www.david-tyler.com
Ham call G4PIE

¤····Subject: Mars 8 March 2015

Received: 9 March 2015 at 02:38 JST

Good evening, all

Attached another IR image taken in fairly bright twilight this afternoon. Hellas , Syrtis Major, Sinus Sabeaus, Sinus meridiani all visible. Again a hint of the SPC?

Best regards, Clyde

http://www.kwasan.kyoto-u.ac.jp/~cmo/cmons/2013/150308/CFs08Mar15.jpg

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Lunar Eclipse April 2015

Received: 8 March 2015 at 20:23 JST

Dear Minami,

I am an Italian amateur astronomer, near Rome. I study the lunar eclipses and Mars polar caps.
I ask you a favor.for the next eclipse of the Moon (April 04 2015, no visible from Italy). I would ask you to send me some frames (about 6 images) of the event and the value of the brightness (simple Danjon' number).
I have already processed the data of many eclipses and I prepared an article in which I will insert any data even your (and your name).

I ask you to answer my letter, also negatively

If you can not make this observation, showing me an amateur astronomers that I can contact?

Thank you

Di Giovanni GIOVANNI (L'Aquila, ITALY)

¤····Subject: Jupiter March 3

Received: 6 March 2015 at 07:01 JST

Hi, a bless of good seeing on March 3 even just for a few minutes , two more sessions will follow but not in so good conditions.

http://www.astrosurf.com/pcasquinha/jup150303.jpg

My best regards

Paulo CASQUINHA (PORTUGAL)

¤····Subject: Mars 5 March 2015

Received: 6 March 2015 at 01:56 JST

Good evening all

I managed to catch an IR image of Mars early this evening in quite bright twilight and between light clouds. I took with a 2.5x barlow as against my "normal" setup of 3x barlow, as I am regularly taking Jupiter with the 2.5x barlow now.

Some large scale detail visible: On the eastern limb Hellas and Syrtis major. Sinus Sabeaus(quite distinct) and Mare Erythrium towards the centre and west. Possibly a hint of the SPC? Arabia region very bright(even showing a bit in the avi as I was capturing).

I think it is fair to say that the chances of catching any major southern hemisphere dust storm is now rapidly fadingc..!

Best regards, Clyde

http://www.kwasan.kyoto-u.ac.jp/~cmo/cmons/2013/150305/CFs05Mar15.jpg

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Jupiter 3 March 2015.

Received: 4 March 2015 at 16:02 JST

Hi all

Jupiter images from 3 March.

Best regards, Clyde

Clyde FOSTER (Centurion, SOUTH AFRICA)

¤····Subject: Jupiter Images 26-2-2015

Received: 1 March 2015 at 10:00 JST

Hi Guys Seeing was fair this evening , but still has a way to go yet. I was lucky to catch the partial occultation of Europa by Io as it coincided with the centre of my derotation time. The moon shadows on the planet are channel aligned separately and replaced over the centre of the otherwise split channels and movement during capture , with the utmost positional care.

The GRS seems to be shedding some gred gmaterial into the hollow.

Best wishes

Dave TYLER (Bucks, the UK)

www.david-tyler.com
Ham call G4PIE

¤····Subject: Jupiter 2015.02.10 and satellites (under good conditions)

Received: 1 March 2015 at 02:12 JST

Dears,

I have finally finished the processing of the acquisitions of my first holiday week (almost actually, the double phemu is still remaining) which ended by a good seeing during the night from Feb. 10th to 11th.

Here is the RGB, please note the erupting spot in the south part of the NEB, "White spot Z" a bit reddish in the northern part, and Io with some details:

http://www.astrosurf.com/delcroix/images/planches/j20150210-23h39.3UT-MDe.jpg

2 IR, first one with more details:

http://www.astrosurf.com/delcroix/images/planches/j20150210i-23h59.3UT-MDe.jpg

http://www.astrosurf.com/delcroix/images/planches/j20150211i-00h37.8UT-MDe.jpg

Methane image, with a few small bright features in this absorptio band:

http://www.astrosurf.com/delcroix/images/planches/j20150211c-00h17.8UT-MDe.jpg

R and G layer, unfortunately B layer was horrible:

http://www.astrosurf.com/delcroix/images/planches/j20150210r-23h39.0UT-MDe.jpg

http://www.astrosurf.com/delcroix/images/planches/j20150210g-23h39.7UT-MDe.jpg

At last animations from the acquisitions used for derotation (files not attached, click on the link or asked me for these please) :

IR:
http://www.astrosurf.com/delcroix/images/planches/j20150210i-MDe.gif

http://www.astrosurf.com/delcroix/images/planches/j20150211i-MDe.gif

Methane absorption band:
http://www.astrosurf.com/delcroix/images/planches/j20150211c-MDe.gif

Red:
http://www.astrosurf.com/delcroix/images/planches/j20150210r-MDe.gif

Green:
http://www.astrosurf.com/delcroix/images/planches/j20150210g-MDe.gif

Steady skies,

Marc DELCROIX (Tournefeuille, FRANCE)
http://astrosurf.com/delcroix

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