JUPITER 2017/18 SEASON

By Christopher Go

All images were taken using a Celestron  C14  mounted on an Astrophysics AP900GTO mount.  A QHY 290M camera was used is these images.    RGB is done using a set of Chroma Technology RGB filters on a Starlight Xpress Motorized filter wheel.  Methane band images are done using a Chroma Methane Band filter (889nm  18nm bandpass).  UV images are done using a Astrodon UV filter.   Amplification is done using an Astrophysics Advance Convertible Barlow working at 2.0X.

Image acquisition was done using  Torsten Edelmann's Firecapture 2.5beta 64bit software.  All images are NORTH UP!     Processing was done using AutoStakkert! and Registax.

These images were taken at Banilad,  Cebu City, Philippines. 

For more information on the names of various belts and zones of Jupiter and the meaning of the abbreviations I use please check the Sky and Telescope Jupiter Observing Guide.

All images of this site are my property.  If you wish to publish it on your site or print, please email me for permission.

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February 22, 2018 

Seeing was terrible today because of N winds.  It was also a bit gusty.

The GRS is setting on these images. It currently has a very strong red color!  The wake of the GRS is very turbulent.   Note the bright band forming on the STrZ which is bright in Methand band! The NEB looks quiet here.  Volcanic Io and it's shadow can also be seen.  The image of Io was taken from the first image I captured and pasted to the derotated image.

February 21, 2018 

The sky was clear this morning.  Seeing was good.  Unfortunately, dew was horrible!   I planned to use my dew shield but it sets my collimation off.  So I had to use Kleenex and wipe the corrector after each set..

The SEB dark barge is prominent on these images.  The NEB looks quiet in this region.

February 20, 2018 

I woke up at 3:50am today.  When I went out the sky was overcast!  But there seemed to be some clearing on the horizon.  I went back to sleep and was back at around 4:30am.   Still overcast but with some winds and hope of clearing.  I gave up at around 5:00am  At 5:30am, the sky cleared !  I rushed to image!  Seeing was good due the the East winds.   But it was a race against the sun.   The CH4 image was taken a few minutes before sunrise!

These images show Oval BA and the STB Outbreak remnant on the STB Ghost.   The STB Ghost is still dark in CH4 but the bright outbreak is now mostly gone.   The STB Ghost is moving closer to Oval BA!  Will we see fireworks when they collide?

Note the brightening on the EZn.  The NEB still shows the wave pattern on methane band.

February 18, 2018 

Seeing was variable again today due to N winds.   The G and B data are still very bad.

These images show the remnant of the STB Outbreak.  The remnant is  mixture of dark barges and small ovals.   Oval BA is close to the terminator on the right.  

The SEB is active on it's northern half.  THE NEB is quiet in this region and has a very light color except on it's southern part.

February 16, 2018 

Condition was poor today.   Seeing was very unstable.

This is the region preceding the GRS.   Note the dark red barge on the SEB.  The NEB looks very light in color.  Europa can be seen on the NNTZ.

February 15, 2018 

Happy Lunar (Chinese) New Year!  Condition was a bit frustrating this morning.   Seeing was variable.  But I had a double whammy of thin clouds causing variable transparency and dew due to high humidity!    I had to do some hard processing to get these images.

Oval BA can be seen in these images.  It still has a pale orange color.   The STB Ghost has a dark arc due to a white oval right next to it.  The STB Ghost is dark in CH4.  There are some features resolved inside the STB Ghost which may be some remnant of the recent outbreak.

The SEB shows the end of the wake of the GRS.  The WSZ can be seen on the NEBn just past the CM.

February 14, 2018 

We had a brush with Tropical Depression Sanba last Tuesday.  I wasn't sure I could image today. When I woke up at 4 am, the sky was overcast!  It cleared up by 5 am but there was still some clouds.   Seeing and Transparency was variable today.

The GRS and the STrD are now interacting!   The STrD is now turning the GRS halo yellow!   The wake of the GRS is very chaotic right now.  Note the methane bright feature rising on the left on the STrZ following the GRS!  The color image seems to show a bright feature surrounded by a brown arc.

The South Polar Red Spot can be seen just after the CM.  The NEB shows the alternating dark and white spots.

February 10, 2018 

Poor conditions today.  The NW winds are back and seeing was just so unstable.

The SEB shows the wake of the GRS.  Oval BA is rising on the left.  WSZ can be seen on the NEBn. 

February 9, 2018 

Condition was decent today.  

The GRS is rising on the left.   The STrD seem to be diving into the GRS halo.  The South Polar Red Spot can also be seen in these images.  Note the bright outbreak on the NEBs  embedded on the festoon just past the CM.  Will this create rifts on the NEB?

February 8, 2018 

Poor and frustrating conditions today.   We are having a cold front here with temperatures dropping to around 20C.  Unfortunately, this system is bringing in NW winds to my location which is terrible for seeing here.

Oval BA can be seen just past the CM.  The outbreak following BA has really developed into a complex system.   This system is embedded in the STB Ghost!  Note the bright streak in the methane band image!

Rising on the SEBn is what seems to be an interaction between the SEBn and the EZs.  Festoons seem to be forming on the EZs!  The NEB shows the wavy pattern in methane band.

 

February 6, 2018 

Condition was terrible this morning.   Seeing was unstable and I could only salvage a few data.  

I was fortunate to capture the STB outbreak that was first imaged by Damian Peach and Anthony Wesley and noticed by John Rogers.  The outbreak can be seen setting on the right and it is very elongated.  It is very prominent in IR and can be seen in CH4 band .  The CH4 band brightness is not as bright as when it first appeared.  But the area preceding this outbreak is very dark in CH4 band!

The SEB is quiet in this region.  Io's shadow is on the NEB and note the wave pattern on the NEB.

 

February 3, 2018 

Condition was variable this morning.  I had to wait for some fleeting period of good seeing to get these images.  

Oval BA is prominent in this image.  It's color is very pale but the reddish ring is resolved.  WSZ can also be seen.  It's northern region is no longer very bright in CH4.  The NEB and SEB are quiet in this region.

January 29, 2018 

Seeing was again unstable today and transparency was variable.  I had to use a lot of data to get the color image.

This images show the wake of the GRS.  The GRS has just set while Oval BA is rising on the left.  Note the methane bright region on the SEBn.  The NEB is quiet in this region.    WSZ can be seen also rising.  It still has a light reddish hue.   Interestingly, the northern part of this spot is very bright in methane band.

January 26, 2018 

Seeing was unstable today because of the NW winds.  But it became stable as Jupiter got higher.  Transparency was variable.

The GRS is prominent feature in this region.  The GRS is well resolved especially on the second image.   Outbreaks seem to be active in the area following the GRS.  The SEB outbreak seem to be pushing the STrD towards the GRS.   This will be interesting to see how this will develop.

The NEB is quiet in this region.  The South Polar red spot can be seen below the GRS.

January 25, 2018 

We had terrible weather during the last weeks.  But this morning the sky was mostly clear when I started imaging.   Unfortunately, clouds appeared out of nowhere so transparency was very variable!  Seeing was stunning!

Oval BA can be seen setting on the right.  The STB Ghost is the bluish feature following Oval BA.  The SEB clouds are well resolved.  The dark barge on the SEB can be seen rising on the left.  The NEB is shrinking!  The northern part has basically lost its color.  A lot of features can be resolved in the temperate zones.

January 11, 2018 

The sky was clear this morning.  Seeing was good.

Note the bright spot north of the dark barge on the SEB.  Will this start an SEB outbreak?  The CH4 image doesn't show any brightening so it is premature to call this an outbreak.  We will see in the next few days if this feature will brighten up on CH4.  This feature is currently located at around  CM2: 185.

Note the dark barge on the STrZ just southwest of the SEB red barge.  The feature seems to show a "hump" on its surround belt.   Nothing in the CH4 however.

The NEB looks quiet in the region.  There are some brightening close to the EZ festoons.  

January 7, 2018 

The sky was mostly cloudy today.  I probably should have gone back to bed because imaging was very frustrating with clouds passing Jupiter.

The GRS and the South Tropical Disturbance (STrD) are prominent in these images.   There seems to be some SEB outbreak north of the STrD.    Io is the bright patch above the GRS on the NEBn.

 

January 6, 2018 

The sky was partially cloudy today with a bit of haze.  I hesitated a bit to image because of the conditions.  I was lucky to capture a set of RGB before the sky was overcast.  Seeing was not great and transparency was very poor.

The dark red barge with a bright halo on the SEB looks interesting.   The NEBn has cyclones and anti-cyclones lining up.  The NEBn is also light in color.  Is the NEB shrinking this season?

January 3, 2018 

Happy New Year!  Here are my first images for 2018!   Seeing was much better this morning.  Though it is still poor compared to my usual seeing due to Jupiter being so low in the sky.

Oval BA is prominent in these images.  The light orange ring can be seen.  The SEB looks turbulent in this region, while the NEB is not every active.  White Spot Z can be seen on the NEB. It still has a reddish hue.

December 30, 2017 

Very poor condition today due to a nearby low pressure system.

The SEB and NEB looks quiet in this region.  The NEB looks very wavy in methane band.

December 28, 2017 

Condition was still poor today.  Seeing was unstable as Jupiter is still very low.

The GRS is prominent in these images.  It has a strong orange color.  The STrZ Disturbance can be seen rising on the left.The NEB is quiet in this region.

December 24, 2017 

Merry Christmas!  It's Christmas morning here and I woke up early for a date with Jupiter!  Seeing was poor today.

The South Tropical Disturbance can be seen setting on this image.   This feature is dark in Methane Band.  The NEB is quiet in this region.  White Spot Z can be seen rising on the left.  It still has a light orange color.

December 20, 2017 

Condition still very unstable today.  I had a clearing before an upcoming storm.   A tropical cyclone is headed our way.

Oval BA can be seen setting on right.  Note the dark band on the STrZ.  THe SEBn is dark.  The outbreak that was seen last season seems to be gone.  There are a lot of anticyclonic white spots on the NEB!  Note the wavy look of the NEB in CH4.

December 18, 2017 

My first image of Jupiter this season.  Seeing was a bit unstable because Jupiter was very low.  I started imaging in IR and CH4.  Unfortunately, when I was ready to image RGB clouds rolled in.

This feature is prominent in the IR image.   Note the dark wavy pattern of the NEB in the CH4 image.

 

   

Copyright 2017 Christopher Go (chris@cstoneind.com)