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Your count image looks the way I expected.
I forgot to mention that I am constructing the composite from monthly SMI images obtained from this website.
I have tried again but I still get the [img]strange count image[/img]

Hi everyone,I got a little confused while compositing monthly chlorophyll-a images of MODIS-Aqua for the period 2003-2018.While compositing the data I also was created the counts of valid pixels, that is, the number of pixels that contributed to the composite. So, in a year, I would know which point...

Hi John,Wow, I am stupified. The problem was file compression!!!I did not imagine that the file was compressed as it ends with '.L2_OC_RR'Many thanks for your help, I am able to open it now.As for the wget, actually, am using python requests on windows. I will check if there is a way to unco...

Hi John,Thanks for your reply."What application are you using to try to open the file?  Does renaming M2003105004421.L2_RR_OC.x.nc to M2003105004421.L2_RR_OC.x.hdf work?"To open this file (M2003105004421.L2_RR_OC.x.nc) I used Matlab. The file works fine even with ".nc" as lo...

Hi there, I am trying to batch download ocean colour data for SeaWiFS, MERIS, MODIS and VIIRS based on the script discussed in a previous forum ([https://oceancolor.gsfc.nasa.gov/forum/oceancolor/topic_show.pl?pid=19165%5d).I am able to download all sensors for my region of interest except for MERIS...

Hi John,Thanks for your reply.Yes, these are the orders I had/have. The old orders were completely removed after requesting expedition. So, again, I have asked the system to remove my staged files and proceed with (expedite) the staging of queued files.However, the problems persist. I still get two ...

Hi,I have been having an issue with the L2 data order system. As I am ordering a full mission of L2 OC dataset, say VIIRS, the data volume is huge so the system partition the staged files.After a certain # of files is staged, e.g., 20%, I am required to download them to continue the staging of other...